Product Description
Metric Size SN718/850 11068/850 Angular Contact Ball Bearing 850*1030*82 mm For Metallurgical Machinery
Bearing Specification :
| Model Number | SN718/850 |
| Alternative Number | 11068/850 |
| Part Name | Angular Contact Ball Bearing |
| Brand | FSK / KBE / SKB / OEM |
| Material | Gcr15 Chrome Steel |
| Cage | Brass Cage |
| Row | Single Row |
| Dimensions(mm)(d*D*b) | 850*1030*82 mm |
| Weight / Mass ( KG ) | 146 KG |
| HS Code | 8482800000 |
| Original Country Show | CHINA |
Bearings Detailed Pictures:
Same Series Bearings We Offer:
| Bearing Number | Alternative Namber | d | D | H | m |
| S7600 | 6700 | 10 mm | 28 mm | 8 mm | 0.02 KG |
| WR1635716.2 | 3-637 | 16 mm | 30 mm | 106.2 mm | 0.25 KG |
| S71003 | 106103 | 17 mm | 35 mm | 10 mm | 0.05 KG |
| S75714X2 | 6704 | 20 mm | 47 mm | 12 mm | 0.1 KG |
| SN7305X2/YA | 26705 | 25 mm | 62 mm | 17 mm | 0.28 KG |
| 4605-2RS | 186705 | 25 mm | 67 mm | 20.6 mm | 0.52 KG |
| S76/26/YA | 26905 | 26 mm | 62 mm | 17 mm | 0.28 KG |
| SN76/32/YA | 26706 | 32 mm | 72 mm | 24.5 mm | 0.45 KG |
| LR7607 | 226707 | 35 mm | 59.48 mm | 14.5 mm | 0.11 KG |
| SN72307X2/YA | 26707 | 35 mm | 80 mm | 29 mm | 0.56 KG |
| 46/53/YA | 996911K1 | 53 mm | 84 mm | 16.15 mm | 0.44 KG |
| B76/63/YA | 26913 | 63 mm | 102 mm | 23 mm | 0.71 KG |
| S7216X2/YA | 26216 | 80 mm | 140 mm | 21 mm | 1.33 KG |
| 3924D | 3356924 | 120 mm | 165 mm | 34 mm | 2.51 KG |
| 3932D | 3356932 | 160 mm | 220 mm | 45 mm | 5.41 KG |
| 3934D | 3356934 | 170 mm | 230 mm | 45 mm | 5.9 KG |
| 3944D | 3356944 | 220 mm | 300 mm | 60 mm | 13.1 KG |
| S7692 | 6792 | 460 mm | 540 mm | 35 mm | 15 KG |
| S71892AC | 1006892 | 460 mm | 580 mm | 56 mm | 36.4 KG |
| SN718/600 | 11068/600 | 600 mm | 730 mm | 60 mm | 60.7 KG |
| 76/662.3RWB1 | 6169/622 | 622.3 mm | 725.49 mm | 46 mm | 29.58 KG |
| SN718/800 | 11068/800 | 800 mm | 980 mm | 82 mm | 132 KG |
| SN718/850 | 11068/850 | 850 mm | 1030 mm | 82 mm | 146 KG |
| SN708/1000X2 | 1068/1000 | 1000 mm | 1220 mm | 50 mm | 140 KG |
| SN718/1180 | 11068/1180 | 1180 mm | 1420 mm | 106 mm | 332 KG |
Other Bearings We Offer:
| Deep groove ball bearings | Linear ball bearings | Pillow block bearings | Clutch release bearings |
| Cylindrical roller bearings | Needle roller bearings | Thrust ball bearings | Thrust roller bearings |
| Spherical roller bearings | Ball joint bearings | Conveyor roller bearings | Angular contact ball bearings |
Our Advantage:
About FSK Factory Condition :
FAQ:
1.How can I get the bearing price?
Mike: You can leave your message on Alibaba, or conact us directly by email, , SkYPE, Viber. Tell us your quantity, usually 2-5 hours you will get the price.
2.How can I buy them?
Mike: You can place order on Alibaba, or pay the payment by Western Union, Paypal, T/T and L/C.
3. How long I can get these bearings?
Mike: for small order, we will delivery the bearings in 1-2 days after recive your payment. usually 3-5 days will arrive in your place by international express, such as DHL, TNT, UPS and so on. For big order, please contact us.
4.How to protect the bearing quality?
Mike: All procudts passed ISO9001:2008 and ISO14000 certificates. we can accept small sample order, you can check the quality.
5. Other service.
Mike: We can offer OEM service according to your demand.
FSK Bearing Company Advantages:
(1) We have first-class testing equipment to detect bearing various data parameters and control the quality of the bearing.
Whenever bearings must first detected whether the quality is qualified and the unqualified bearing will be eliminated directly.
So we can get the trust of a large number of customers, and supply them for several years.
(2) We have our own R & D capabilities, to help customers solve the problem of non-standard bearings.
We can also according to customer requirements change their own mark.
(3) Price, our manufacture ensure that our prices across China are quite competitive.
It is better for you to compare prices and quality among suppliers.
But everyone knows you can not buy the highest quality products with the lowest price,
but our product is the best quality if you use equal price.
FSK Cooperation Details
Delivery:
For Small weight or ungent ,we send by express UPS,DHL,FEDEX, or EMS,china post with Thracking number
For max production , we will ship by sea/air.
Payment Item:
TT, 30% deposit , 70% before shippment.
L/C At Sight
Paypal Or Western Union In advance
Service:
Trade Assurance
Payment Protection
Timely Delivery Guaranteed
Product Qualtity Protection
Metric Size SN718/850 11068/850 Angular Contact Ball Bearing 850*1030*82 mm For Metallurgical Machinery, Get Cheap Price From China Bearing Factory Now !
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 45° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-05-15
China best 03-0260-00 Swing Bearing Ball Bearing for Machinery Spare Parts deep groove ball bearing
Product Description
Production Description for Slewing Bearing, ring bearing, rolling bearings, turntables, swing bearing
Slewing Bearing 03-0260-00 for construction machinery, cranes,shipyard crane
| 1 | Type | single row 4 point contact ball slewing bearing, ring bearing, slewing gear |
| 2 | Bore diameter | 190mm |
| 3 | Outside diameter | 329mm |
| 4 | Height | 45mm |
| 5 | Material | 42CrMo, 50Mn |
| 6 | Precision | P0. P6. P5. |
| 7 | Cage/retainer | Nylon or aluminum |
| 8 | Gear type | gearless |
| 9 | N.W. | 17KGS |
| External Diameter | Internal Diameter | Height | Weight | Reference | |
| 234 | 125 | 25 | 5 | STD | |
| 290 | 150 | 41.5 | 14 | STD | |
| 300 | 140 | 52 | 16 | STD | |
| 329 | 190 | 45 | 17 | STD | |
| 350 | 190 | 52 | 20 | STD | |
| 403.5 | 235 | 55 | 26 | STD | |
| 440 | 240 | 60 | 37 | STD | |
| 440 | 265 | 50 | 29 | STD | |
| 455 | 265 | 71 | 45 | STD | |
| 474 | 336 | 46 | 24 | STD | |
| 475 | 335 | 45 | 30 | STD | |
| 486 | 342 | 56 | 29 | SLBP | |
| 500 | 305 | 75 | 51 | STD | |
| 518 | 304 | 56 | 23 | SL | |
| 589 | 383 | 75 | 66 | STD | |
| 616 | 472 | 56 | 38 | SLBP | |
| 626 | 424 | 72 | 70 | STD | |
| 648 | 434 | 56 | 34 | SL | |
| 700 | 479 | 77 | 90 | STD | |
| 712 | 487 | 72 | 91 | STD | |
| 716 | 572 | 56 | 45 | SLBP | |
| 748 | 534 | 56 | 40 | SL | |
| 816 | 672 | 56 | 52 | SLBP | |
| 816 | 573 | 90 | 137 | STD | |
| 848 | 634 | 56 | 46 | SL | |
| 900 | 670 | 86 | 148 | STD | |
| 916 | 772 | 56 | 60 | SLBP | |
| 948 | 734 | 56 | 52 | SL | |
| 979 | 717 | 100 | 193 | STD | |
| 1016 | 872 | 56 | 67 | SLBP | |
| 1048 | 834 | 56 | 58 | SL | |
| 1130 | 845 | 100 | 271 | STD | |
| 1144 | 869 | 100 | 248 | STD | |
| 1166 | 1571 | 56 | 78 | SLBP | |
| 1198 | 984 | 56 | 67 | SL |
Why choose CZPT slewing bearings
A pioneer in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
ISO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing
LYHY Slewing Bearing Types
LYHY slewing bearings can be divided into the following types as per their structures:
single row 4 point contact ball slewing bearing,
single row cross roller slewing bearing,
double row different ball diameter slewing bearing,
three row cylindrical roller slewing bearing and roller/ball combination slewing bearing.
And all these types of slewing bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.
Detailed description of these types slewing bearings
Single row 4 point contact ball slewing bearings
This kind of slewing bearings can support high dynamic loads, transmitting axial and radial forces simultaneously as well as the resulting tilting moments. Applications of this kind of bearings are hoisting, mechanical handling and general mechanical engineering etc.
Single row cross roller slewing bearings
This kind of bearings can support combinations of large radial force, medium axial force and tilting moment with small or zero clearance. Main applications of this kind of bearings are hoisting and mechanical handling and general mechanical engineering etc.
Double row different ball diameter slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Triple row cylindrical roller slewing bearings
This kind of bearings has high load carrying capacity. Under same loads, this kind of bearings has much smaller diameters which can make the installation much compact, as different kinds of loads are supported by different races and rollers. Main applications of this kind of bearings are hoisting, mechanical handling, mining and materials handling, offshore technology and general mechanical engineering etc.
Roller/ball combination slewing bearings
This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.
About CZPT bearings
1.introduction:we are a manufacturer of slewing bearing since 1993, our factory occupies a area of 30000square meters with 4 workshop and 1 office building.
2. Featured products: slewing bearing and slewing drive
3. Capital: Current is 1 million RMB, but we are increasing the capital to 10 million RMB
4. Workers: 40
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technology Progress Award
6. Annual Exportation: 8million USD
7. Exported countries: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, UK
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia
Production Process of CZPT slewing bearings
Quality Control Process of CZPT slewing bearings
LYHY Slewing Bearing Packing
Bearing surface is covered with the anti-rust oil first; and then wrapped with the plastic film;
And then packed with kraft paper and professional belts;
At last, with wooden box totally at the outer packing to invoid the rust or the moist;
We can depend on the customers demand to be packed;
Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints” Here under is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipment (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipment (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery
Transportation:
All CZPT slewing ring bearings can be usually delivered timely, usual production time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
Slewing bearings can be offered different delivery terms, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by different transport ways, by express (such as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.
INSTALLATION OF CZPT SLEWING BEARINGS
Preparation:
Make sure that the model is correct and slewing bearing isn’t damaged during transportation.
2. Check the appearance and rotational state of the bearing, such as rotational precision clearance, rotating flexibility, seals position, lubrication grease etc.
3. The installation datum plane and bracket installing plane should be clean, grease, burr, paint and other foreign body should be wiped off.
Installation:
1. The screws in the installing plane should be fit with the mounting holes in the slewing bearing
2. The slewing bearing has a soft zone marked with an “s” on the upper surface, when installing the bearing, it is important to ensure that this area is placed in a non-load or infrequent load zone.
3. When the bearing is placed on the supporting frame work it is important to check the interface between these 2 surfaces. This check should be carried out with the insertion of feel gauges between the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the effective area so as to remove the gap.
4. Install slewing bearing with high strength screws, and choose appropriate strength bolts. All bolts are required to be tightened evenly. The sequence of this tightening process is shown in Pic. Welding of bearing is not allowed, in the event of welding any adjacent parts, heat transfer shall be avoided so as to cause the bearing to become deformed or change the hardness.
5. After installation, the bearing should be rotated to check for smooth operation and any emission of unusual noise. If either of the aforementioned are noted, then the bearing should be adjusted to eliminate them. The teeth of the largest run-out are coated with green paint.
FAQ:
Q: Are LYHY BEARINGS trading company or manufacturer?
A: CZPT BEARINGS is a professional manufacturer for slewing bearings, thin section bearings, ball bearings and rolling bearings
Q: How do LYHY BEARINGS control quality of their bearing?
A: LYHY BEARINGS has established strict quality control systems, all the products and services has passed ISO9001-2008 Quality Certificate and third party such as CCS, LR,ABS,BV
Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed information.
Q: How about the package for CZPT bearings?
A: Standard Industrial packing in general condition (Plastic tube+ professional plastic belts+ plywood case). Accept design package when OEM.
Q: How long is the production time?
A: It takes about 7-40 days, depends on the model and quantity.
Q: How about the shipping?
A: We can arrange the shipment or you may have your own forwarder.
Q: Is sample available?
A: Yes, sample order is acceptable.
Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable for LYHY BEARINGS. We can design as per your requirements and use your own LOGO and package design.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Single-Row |
| Roller Type: | Four Point Contact Ball |
| Material: | 50mn, 42CrMo |
| Type: | External Gear |
| Samples: |
US$ 160/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-05-07
China high quality Wire Winding Machinery Linear Traverse Driving Device Ball Bearing bearing block
Product Description
Product Description
Wire Winding Machinery Linear Traverse Driving Device Ball Bearing
Manufacturer of automatic linear transmission gear with well-equipped testing facilities and strong technical force
Detailed Photos
Packaging & Shipping
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Package Material
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Carton |
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Package Detail
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10 pieces or 5 pieces per pag |
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Delivery Way |
Deliver the goods by express, like UPS, DHL, FedEx or by sea shipment or according to customer’s requirement |
Product Application
Special Bearing for Rolling Ring Traverse Drive
Company Profile
ZheJiang Xihu (West Lake) Dis. Machinery Co., Ltd.
A manufacturer of automatic linear transmission gear with well-equipped testing facilities and strong technical force.
We are producing and selling: rolling ring drives, linear drives, linear drives nut, wire straightener, automatic wire straightening and cutting machine, automatic coiling & packaging machine, drawing and rolling machine, automatic yarn winding machine and accessories for rolling ring drives.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in carton boxes or wooden boxes.
Q2. What is your terms of payment?
A: T/T 100% paymeny in advance, or 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will send this product within 3 or 5 days after receiving your payment. The specific delivery time depends on the items and the quantity of your order.
Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Core Components: | Roller Bearing |
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| Transport Package: | Carton |
| Specification: | Bearing steel |
| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-04-30
China Professional Fine Linear Bearings Plastic Bearings Textile Machinery and Auxiliary Equipment Deep Groove Ball Bearings bearing air
Product Description
Product Name: Asia standard lengthened Square Flanged Linear Bearing
Linear motion bearings have the characteristics of smooth movement, low friction, high rigidity, long life, economy, easy to maintain or replace,
Our priority is 100% quality control and 100% customer satisfaction. We have a responsibility to help our customers to be competitive and advantageous in the market
Maneuvering linear slides such as machine slides, XY tables, roller tables and some dovetail sliders are moved by the bearings of the drive mechanism. Not all linear slides are electric, there are non-electric dovetail slides, ball bearing sliders and roller sliders that provide low friction linear motion for inertially or manually driven devices. All linear sliders provide linear motion according to bearings, whether they are ball bearings, dovetail bearings or linear roller bearings. XY tables, linear stages, machine sliders and other advanced sliders use linear motion bearings to provide multi-axis movement along X and Y.
Product General information
a, Low frictional linear motion
Steel balls are accurately guided by a retainer, so low frictional resistance and stable linear motion can be achieved.
Simple replacement of conventional plain bushings
It is easy to use Linear Bushings instead of conventional plain bushings, because both types are used with a round shaft, and no major redesign is necessary.
b, Wide variations
For each dimensional series, standard, adjustable clearance and open types are available with and without seals, so the best linear bushing for the application may be selected. In addition to the standard type, the high-rigidity long type is available. These types can be selected to suit the requirements in applications.
c, Miniature linear bushing LM Compact design
Miniature Linear Bushing is very small in size, allowing for compact assembly in machines and equipment.
d, High Reliability
ERSK linear bearing has very stringent quality control standards covering every production process. With proper lubrication and use,trouble-free operation for an extended period of time is possible.
e,Smooth Operation
The high efficiency of linear shaft is vastly superior to conventional shaft. The torque required is less than 30%. Linear motion can be easily changed from rotary motion. The linear bearings are moved very smoothly in the linear shaft.
f,High Durability
Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable linear bearings manufactured.
g,Easy interchangable
h,Easy maintenance
the linear rails can replace the base surface installation, the old wear parts (rails and blocks) can be replaced, reduce costs.
i,Easy installation
the linear rails and carriages can be changed easily, reduce material costs, reduce product prices, reduce product replacement costs and time.
Company Profile
Yiboyuan (HangZhou City) Precision Machinery Co., Ltd. is located in Bacha Road Industrial Park, HangZhou City, HangZhou City, ZheJiang Province, is a professional manufacturer of linear bearings
integrating design, research and development, production and sales. The company’s main products are: YBYZ linear bearings, YBYZ linear flange bearings, YBYZ nickel-plated linear bearings, YBYZ steel linear bearings, YBYZ box sliders, YBYZ smooth shaft supports, YBYZ self lubricating bearings, YBYZ outer steel inner copper linear bearings, YBYZ aluminum-plastic linear bearings, YBYZ all-plastic linear
bearings, YBYZ graphite copper sleeved linear bearings, YBYZ fixed rings, nut seats, cross shaft brackets and so on. Yiboyuan linear bearings should build the most complete linear bearing enterprises and smooth shaft supporting products at home and abroad, and solve one-stop procurement services for automation companies.Our mission – to create revenue benefits for customers, provide high-quality products for the market, and create a stage for employees to play, the future Yiboyuan is a high-tech, service-oriented, international Yiboyuan, to build a century-old brand is our continuous goal.
Brand trademark registration
Yiboyuan (HangZhou) Precision Machinery Co., Ltd. is a professional manufacturer of linear motion products with many years of experience. And has its own registered brand YBYZ, we specialize in the production of linear bearings, plain bearings, shaft bearings, box sliders, self-lubricating copper sleeve. Good quality, competitive price. Our company is located in HangZhou City, ZheJiang Province. Close to HangZhou Port, ZheJiang Port.
Our products are widely used in precision machinery, fitness equipment, printing presses, packaging machines, medical and food machinery, textile machinery and other machinery and auxiliary equipment. Our products sell well in North America, Western Europe, Australia, Southeast Asia, the Middle East, South America and other regions.
Our packing:
* Industrial pakage
HangZhou City, ZheJiang Province.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
|---|---|
| Function: | Super |
| Flange Shape: | None |
| Shape: | Straight |
| Series: | LM |
| Material: | Bearing Steel |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-04-23
China high quality 6300/6302 Deep Groove Ball Bearing for Machinery bearing driver kit
Product Description
Product Description
Deep Groove Ball Bearing is the most widely used rolling bearing. Its characteristics are low frictional resistance, high rotational speed, and can be used for bearing radial loads or combined radial and axial loads, as well as for bearing axial loads, such as low-power electric motors, car and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.
The basic Deep Groove Ball Bearing consists of an outer ring, an inner ring, a group of steel balls and a group of retainers. There are 2 types of Deep Groove Ball Bearing: single row and double row. The deep groove ball structure is also divided into sealed and open structures. The open type refers to the bearing without sealing structure. The sealed deep groove ball is divided into dust seal and oil seal. The dustproof sealing cover material is made of steel plate stamping, which only serves to prevent dust from entering the bearing raceway. The oil proof type is a contact type oil seal, which can effectively prevent the leakage of lubricating grease inside the bearing.
Product parameters
| Deep Groove Ball Bearing 6000 Series | ||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6000 Series | ||||||||
| 606 | 6 | 17 | 6 | 1.95 | 0.72 | 30000 | 38000 | 0.0057 |
| 607 | 7 | 19 | 6 | 2.88 | 10.80 | 28000 | 36000 | 0.0071 |
| 608 | 8 | 22 | 7 | 3.32 | 1.38 | 26000 | 34000 | 0.011 |
| 609 | 9 | 24 | 7 | 3.35 | 1.40 | 22000 | 30000 | 0.014 |
| 6000 | 10 | 26 | 8 | 4.58 | 1.98 | 20000 | 28000 | 0.018 |
| 6001 | 12 | 28 | 8 | 5.10 | 2.38 | 19000 | 26000 | 0.02 |
| 6002 | 15 | 32 | 9 | 5.58 | 2.85 | 18000 | 24000 | 0.026 |
| 6003 | 17 | 35 | 10 | 6.00 | 3.25 | 17000 | 22000 | 0.036 |
| 6004 | 20 | 42 | 12 | 9.38 | 5.02 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 10.10 | 5.85 | 13000 | 17000 | 0.075 |
| 6006 | 30 | 55 | 13 | 10.18 | 6.91 | 10000 | 14000 | 0.116 |
| 6007 | 35 | 62 | 14 | 12.47 | 8.66 | 9000 | 12000 | 0.155 |
| 6008 | 40 | 68 | 15 | 13.10 | 9.45 | 8500 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 16.22 | 11.96 | 8000 | 10000 | 0.231 |
| 6571 | 50 | 80 | 16 | 16.94 | 12.95 | 7000 | 9000 | 0.250 |
| 6011 | 55 | 90 | 18 | 23.28 | 17.86 | 7000 | 8500 | 0.362 |
| 6012 | 60 | 95 | 18 | 24.35 | 19.35 | 6300 | 7500 | 0.385 |
| 6013 | 65 | 100 | 18 | 24.66 | 19.74 | 6000 | 7000 | 0.410 |
| 6014 | 70 | 110 | 20 | 29.68 | 24.20 | 5600 | 6700 | 0.575 |
| 6015 | 75 | 115 | 20 | 30.91 | 26.06 | 5300 | 6300 | 0.603 |
| 6016 | 80 | 125 | 22 | 36.57 | 31.36 | 5000 | 6000 | 0.921 |
| 6017 | 85 | 130 | 22 | 39.04 | 33.75 | 5000 | 6000 | 0.848 |
| 6018 | 90 | 140 | 24 | 44.63 | 39.16 | 4800 | 5600 | 1.103 |
| 6019 | 95 | 145 | 24 | 44.45 | 39.16 | 4500 | 5300 | 1.156 |
| 6571 | 100 | 150 | 24 | 49.58 | 44.08 | 4300 | 5300 | 1.174 |
| 6571 | 105 | 160 | 26 | 55.32 | 49.77 | 4000 | 4800 | 1.520 |
| 6571 | 110 | 170 | 28 | 62.99 | 57.39 | 3800 | 4500 | 1.891 |
| Deep Groove Ball Bearing 6200 Series | ||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6200 Series | ||||||||
| 623 | 3 | 10 | 4 | 0.5 | 0.2156 | 38000 | 48000 | 0.0015 |
| 624 | 4 | 13 | 5 | 1.15 | 0.40 | 36000 | 45000 | 0.0032 |
| 625 | 5 | 16 | 5 | 1.88 | 0.68 | 32000 | 40000 | 0.0048 |
| 626 | 6 | 19 | 6 | 2.8 | 1.05 | 28000 | 36000 | 0.0075 |
| 627 | 7 | 22 | 7 | 3.28 | 1.35 | 26000 | 34000 | 0.012 |
| 628 | 8 | 24 | 8 | 3.35 | 1.40 | 24000 | 32000 | 0.017 |
| 629 | 9 | 26 | 8 | 4.45 | 1.95 | 22000 | 30000 | 0.019 |
| 6200 | 10 | 30 | 9 | 5.1 | 2.38 | 19000 | 26000 | 0.571 |
| 6201 | 12 | 32 | 10 | 6.82 | 3.05 | 18000 | 24000 | 0.034 |
| 6202 | 15 | 35 | 11 | 7.65 | 3.72 | 17000 | 22000 | 0.043 |
| 6203 | 17 | 40 | 12 | 9.58 | 4.47 | 16000 | 20000 | 0.062 |
| 6204 | 20 | 47 | 14 | 9.88 | 6.20 | 14000 | 18000 | 0.102 |
| 6205 | 25 | 52 | 15 | 10.78 | 6.98 | 12000 | 16000 | 0.120 |
| 6206 | 30 | 62 | 16 | 14.97 | 10.04 | 9500 | 13000 | 0.190 |
| 6207 | 35 | 72 | 17 | 19.75 | 13.67 | 8500 | 11000 | 0.270 |
| 6208 | 40 | 80 | 18 | 22.71 | 15.94 | 8000 | 10000 | 0.370 |
| 6209 | 45 | 85 | 19 | 24.36 | 17.71 | 7000 | 9000 | 0.380 |
| 6210 | 50 | 90 | 20 | 26.98 | 19.84 | 6700 | 8500 | 0.450 |
| 6211 | 55 | 100 | 21 | 33.37 | 25.11 | 6000 | 7500 | 0.603 |
| 6212 | 60 | 110 | 22 | 36.74 | 27.97 | 5600 | 7000 | 0.789 |
| 6213 | 65 | 120 | 23 | 44.01 | 34.18 | 5000 | 6300 | 0.990 |
| 6214 | 70 | 125 | 24 | 46.79 | 37.59 | 4800 | 6000 | 1.084 |
| 6215 | 75 | 130 | 25 | 50.85 | 41.26 | 4800 | 5600 | 1.171 |
| 6216 | 80 | 140 | 26 | 55.04 | 45.09 | 4500 | 5300 | 1.448 |
| 6217 | 85 | 150 | 28 | 64.01 | 53.28 | 4300 | 5000 | 1.803 |
| 6218 | 90 | 160 | 30 | 73.83 | 60.76 | 4000 | 4800 | 2.172 |
| 6219 | 95 | 170 | 32 | 84.83 | 70.85 | 3800 | 4500 | 2.620 |
| 6220 | 100 | 180 | 34 | 93.95 | 79.35 | 3600 | 4300 | 3.189 |
| 6221 | 105 | 190 | 36 | 102.30 | 89.59 | 3400 | 4000 | 3.782 |
| 6222 | 110 | 200 | 38 | 110.82 | 100.43 | 3200 | 3800 | 4.421 |
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer diameter | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6300 Series | ||||||||
| 634 | 4 | 16 | 5 | 1.447 | 0.745 | 32000 | 40000 | 0.0049 |
| 635 | 5 | 19 | 6 | 2.161 | 1.163 | 28000 | 36000 | 0.0073 |
| 6300 | 10 | 35 | 11 | 5.88 | 3.47 | 20000 | 26000 | 0.054 |
| 6301 | 12 | 37 | 12 | 7.48 | 4.65 | 17000 | 22000 | 0.058 |
| 6302 | 15 | 42 | 13 | 8.80 | 5.43 | 16000 | 20000 | 0.082 |
| 6303 | 17 | 47 | 14 | 10.45 | 6.56 | 15000 | 19000 | 0.110 |
| 6304 | 20 | 52 | 15 | 12.26 | 7.81 | 13000 | 17000 | 0.140 |
| 6305 | 25 | 62 | 17 | 17.22 | 11.39 | 10000 | 14000 | 0.220 |
| 6306 | 30 | 72 | 19 | 20.77 | 14.17 | 9000 | 12000 | 0.330 |
| 6307 | 35 | 80 | 21 | 25.66 | 17.92 | 8000 | 10000 | 0.410 |
| 6308 | 40 | 90 | 23 | 31.35 | 22.38 | 7000 | 9000 | 0.600 |
| 6309 | 45 | 100 | 25 | 40.66 | 30.00 | 6300 | 7500 | 0.770 |
| 6310 | 50 | 110 | 27 | 47.58 | 35.71 | 6000 | 7000 | 1.030 |
| 6311 | 55 | 120 | 29 | 55.05 | 41.91 | 5600 | 6700 | 1.367 |
| 6312 | 60 | 130 | 31 | 62.88 | 48.60 | 5000 | 6000 | 1.710 |
| 6313 | 65 | 140 | 33 | 72.21 | 56.68 | 4500 | 5300 | 2.100 |
| 6314 | 70 | 150 | 35 | 80.10 | 63.48 | 4300 | 5000 | 2.550 |
| 6315 | 75 | 160 | 37 | 87.25 | 71.67 | 4300 | 5000 | 3.046 |
| 6316 | 80 | 170 | 39 | 94.57 | 80.35 | 4000 | 4800 | 3.609 |
| 6317 | 85 | 180 | 41 | 102.05 | 89.52 | 3800 | 4500 | 4.284 |
| 6318 | 90 | 190 | 43 | 110.81 | 100.76 | 3600 | 4300 | 4.979 |
| 6319 | 95 | 200 | 45 | 120.51 | 113.75 | 3300 | 3900 | 5.740 |
| 6320 | 100 | 215 | 47 | 133.06 | 131.18 | 3200 | 3700 | 7.090 |
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer diameter | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6400 Series | ||||||||
| 6410 | 50 | 130 | 31 | 92 | 55 | 5300 | 6300 | 1.85 |
| 6411 | 55 | 140 | 33 | 77.44 | 67.71 | 5000 | 6000 | 2.316 |
| 6412 | 60 | 150 | 35 | 83.94 | 70.30 | 4800 | 5600 | 2.811 |
| 6413 | 65 | 160 | 37 | 90.88 | 78.33 | 4500 | 5300 | 3.342 |
| 6414 | 70 | 180 | 42 | 107.31 | 99.53 | 4000 | 4800 | 4.896 |
| 6415 | 75 | 190 | 45 | 153 | 114 | 3800 | 4500 | 5.57 |
| 6416 | 80 | 200 | 48 | 164 | 125 | 3400 | 4000 | 6.63 |
| 6417 | 85 | 210 | 52 | 165 | 136 | 3200 | 3800 | 8.12 |
| 6418 | 90 | 225 | 54 | 193 | 158 | 3000 | 3600 | 9.47 |
| 6419 | 95 | 240 | 55 | 204 | 171 | 3400 | 3600 | 13.4 |
| 6420 | 100 | 250 | 58 | 224 | 195 | 2600 | 3400 | 12.8 |
| 6422 | 110 | 280 | 65 | |||||
Advantages
1. Professional suppliers. We are 1 of the largest bearing suppliers in China. In addition to the products produced by our own factory, we also have a stable product supply chain to provide all types of bearings.
2. Quality assurance. We produce and provide industry standard bearings with high-precision manufacturing processes, and can customize bearings according to customer needs.
3. Professional team. In terms of production research, we have sufficient technical talents to support the product production line and ensure product quality; In terms of sales, we have professional and enthusiastic service personnel to ensure the sales and after-sales service of our products, and to ensure the stability and durability of our cooperative relationship.
4. Fast delivery. Our factory has professional and responsible production staff who can provide the shortest delivery time that customers are satisfied with.
Packaging & Shipping
| Packaging | 1)Original package 2) Single box + outer carton 3)Tube package + outer carton 4)Customized according to customer needs |
| Shipping | 1)Ocean shipping 2)Air transport 3)Select according to customer needs |
Company Profile
ZheJiang Dente International Trade Co., Ltd. is located in HangZhou, the “Kite Capital of the World”, and its production base is located in HangZhou, the largest bearing wholesale base in China.
Our company’s leading products include Deep Groove Ball Bearing, tapered roller bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, thrust ball bearings, various needle bearings, inch bearings, as well as world famous brand imported bearing products and so on.
Our company is famous for its professional service attitude, collective spirit of unity and dedication, and pragmatic and efficient work style in this field. Value determines price. We will provide customers with high-quality products and services with the best quality, and look forward to our CZPT cooperation!
FAQ
1.Are you a Manufacturer or trading company?
We are professional manufactuer of bearings with ISO standards.
2.Can I get a sample to check out the quality?
Sure, free samples are available for stock products if you can pay for the shipping cost.
3.Can you do OEM to print my logo/brand on the products?
Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
4.How soon can I expect my order to be finished?
We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Advantages: | High Precision/Low Noise/High Speed |
|---|---|
| Sample Order: | Acceptable |
| Retainer Material: | Nylon/Bakelite/Steel/Copper |
| Samples: |
US$ 1.99/Piece
1 Piece(Min.Order) | Order Sample Chrome Steel
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| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-04-23
China Custom 6202 6203 6204 Motorcycle Deep Groove Ball Bearing for Construction Machinery CZPT CZPT CZPT CZPT CZPT C&U Bearing bearing and race
Product Description
Product Description
| Bearing No. | Shape Dimension | Basic load Rating KN |
Max Speed rpm |
Mass | |||||
| Bore d |
Outer Diameter D |
Width B |
Radius r min | Dynamic | Static | Grease | Oil | ||
| mm | mm | mm | mm | Cr | Cor | Kg | |||
| 6200 Series | |||||||||
| 623 | 3 | 10 | 4 | 0.15 | 0.5 | 0.2156 | 38000 | 48000 | 0.0015 |
| 624 | 4 | 13 | 5 | 0.2 | 1.15 | 0.4 | 36000 | 46000 | 0.0032 |
| 625 | 5 | 16 | 5 | 0.3 | 1.88 | 0.68 | 32000 | 40000 | 0.0048 |
| 626 | 6 | 19 | 6 | 0.3 | 2.8 | 1.05 | 28000 | 36000 | 0.0075 |
| 627 | 7 | 22 | 7 | 0.3 | 3.28 | 1.35 | 26000 | 34000 | 0.012 |
| 628 | 8 | 24 | 8 | 0.3 | 3.35 | 1.4 | 24000 | 32000 | 0.017 |
| 629 | 9 | 26 | 8 | 0.3 | 4.45 | 1.95 | 22000 | 30000 | 0.019 |
| 6200 | 10 | 30 | 9 | 0.6 | 5.1 | 2.38 | 19000 | 26000 | 0.571 |
| 6201 | 12 | 32 | 10 | 0.6 | 6.82 | 3.05 | 18000 | 24000 | 0.034 |
| 6202 | 15 | 35 | 11 | 0.6 | 7.65 | 3.72 | 17000 | 22000 | 0.043 |
| 6203 | 17 | 40 | 12 | 0.6 | 9.58 | 4.47 | 16000 | 20000 | 0.062 |
| 6204 | 20 | 47 | 14 | 1 | 9.88 | 6.2 | 14000 | 18000 | 0.102 |
| 6205 | 25 | 52 | 15 | 1 | 10.78 | 6.98 | 12000 | 16000 | 0.12 |
| 6206 | 30 | 62 | 16 | 1 | 14.97 | 10.04 | 9500 | 13000 | 0.19 |
| 6207 | 35 | 72 | 17 | 1.1 | 19.75 | 13.67 | 8500 | 11000 | 0.27 |
| 6208 | 40 | 80 | 18 | 1.1 | 22.71 | 15.94 | 8000 | 10000 | 0.37 |
| 6209 | 45 | 85 | 19 | 1.1 | 24.36 | 17.71 | 7000 | 9000 | 0.38 |
| 6210 | 50 | 90 | 20 | 1.1 | 26.98 | 19.84 | 6700 | 8500 | 0.45 |
| 6211 | 55 | 100 | 21 | 1.5 | 33.37 | 25.11 | 6000 | 7500 | 0.603 |
| 6212 | 60 | 110 | 22 | 1.5 | 36.74 | 27.97 | 5600 | 7000 | 0.789 |
| 6213 | 65 | 120 | 23 | 1.5 | 44.01 | 34.18 | 5000 | 6300 | 0.99 |
| 6214 | 70 | 125 | 24 | 1.5 | 46.79 | 37.59 | 4800 | 6000 | 1.084 |
| 6215 | 75 | 130 | 25 | 1.5 | 50.85 | 41.26 | 4500 | 5600 | 1.171 |
| 6216 | 80 | 140 | 26 | 2 | 55.04 | 45.09 | 4300 | 5300 | 1.448 |
| 6217 | 85 | 150 | 28 | 2 | 64.01 | 53.28 | 4000 | 5000 | 1.803 |
| 6218 | 90 | 160 | 30 | 2 | 73.83 | 60.76 | 3800 | 4800 | 2.17 |
| 6300 Series | |||||||||
| 634 | 4 | 16 | 5 | 0.3 | 1.447 | 0.745 | 32000 | 40000 | 0.0049 |
| 635 | 5 | 19 | 6 | 0.3 | 2.161 | 1.163 | 28000 | 36000 | 0.0073 |
| 6300 | 10 | 35 | 11 | 0.6 | 5.88 | 3.47 | 20000 | 26000 | 0.054 |
| 6301 | 12 | 37 | 12 | 1 | 7.48 | 4.65 | 17000 | 22000 | 0.058 |
| 6302 | 15 | 42 | 13 | 1 | 8.8 | 5.43 | 16000 | 20000 | 0.082 |
| 6303 | 17 | 47 | 14 | 1 | 10.45 | 6.56 | 15000 | 19000 | 0.11 |
| 6304 | 20 | 52 | 15 | 1.1 | 12.26 | 7.81 | 13000 | 17000 | 0.14 |
| 6305 | 25 | 62 | 17 | 1.1 | 17.22 | 11.39 | 10000 | 14000 | 0.22 |
| 6306 | 30 | 72 | 19 | 1.1 | 20.77 | 14.17 | 9000 | 12000 | 0.33 |
| 6307 | 35 | 80 | 21 | 1.5 | 25.66 | 17.92 | 8000 | 10000 | 0.41 |
| 6308 | 40 | 90 | 23 | 1.5 | 31.35 | 22.38 | 7000 | 9000 | 0.6 |
| 6309 | 45 | 100 | 25 | 1.5 | 40.66 | 30 | 6300 | 7500 | 0.77 |
| 6310 | 50 | 110 | 27 | 2 | 47.58 | 35.71 | 6000 | 7000 | 1.03 |
| 6311 | 55 | 120 | 29 | 2 | 55.05 | 41.91 | 5600 | 6700 | 1.367 |
| 6312 | 60 | 130 | 31 | 2.1 | 62.88 | 48.6 | 5000 | 6000 | 1.71 |
| 6313 | 65 | 140 | 33 | 2.1 | 72.21 | 56.68 | 4500 | 5300 | 2.1 |
| 6314 | 70 | 150 | 35 | 2.1 | 80.1 | 63.48 | 4300 | 5000 | 2.55 |
| 6315 | 75 | 160 | 37 | 2.1 | 87.25 | 71.67 | 4000 | 4800 | 3.05 |
| 6316 | 80 | 170 | 39 | 2.1 | 94.57 | 80.35 | 3800 | 4500 | 3.61 |
| 6317 | 85 | 180 | 41 | 3 | 102.05 | 89.52 | 3600 | 4300 | 4.284 |
| 6318 | 90 | 190 | 43 | 3 | 110.81 | 100.76 | 3400 | 4000 | 4.97 |
| 6400 Series | |||||||||
| 6403 | 17 | 62 | 17 | 1.1 | 17.45 | 11.9 | 14000 | 16000 | 0.27 |
| 6404 | 20 | 72 | 19 | 1.1 | 23.81 | 16.78 | 12000 | 14000 | 0.4 |
| 6404 | 25 | 80 | 21 | 1.5 | 29.42 | 21.33 | 10000 | 12000 | 0.53 |
| 6406 | 30 | 90 | 23 | 1.5 | 36.41 | 26.78 | 8800 | 10000 | 0.735 |
| 6407 | 35 | 100 | 25 | 1.5 | 43.76 | 32.55 | 7800 | 9100 | 0.952 |
| 6408 | 40 | 110 | 27 | 2 | 50.39 | 37.97 | 7000 | 8200 | 1.23 |
| 6409 | 45 | 120 | 29 | 2 | 59.52 | 45.55 | 6300 | 7400 | 1.53 |
| 6410 | 50 | 130 | 31 | 2.1 | 70.99 | 55.55 | 5700 | 6700 | 1.88 |
| 88500 Series | |||||||||
| 88505 | 25 | 52 | 16.8 | 1.5 | 10.78 | 6.98 | 12000 | 16000 | 0.175 |
| 88506 | 30 | 62 | 24 | 1.5 | 14.97 | 10.04 | 9500 | 13000 | 0.26 |
| 88507 | 35 | 72 | 25 | 2 | 19.75 | 13.67 | 8500 | 11000 | 0.35 |
| 88508A | 40 | 72 | 22 | 2 | 13.1 | 9.4 | 8500 | 11000 | 0.35 |
| 88508 | 40 | 80 | 27 | 2 | 22.71 | 15.94 | 8000 | 10000 | 0.45 |
| 88509 | 45 | 85 | 27 | 2 | 24.36 | 17.71 | 7000 | 9000 | 0.54 |
| 62200 Series | |||||||||
| 62200 | 10 | 30 | 14 | 0.6 | 5.1 | 2.38 | 16000 | 20000 | 0.045 |
| 62201 | 12 | 32 | 14 | 0.6 | 6.82 | 3.05 | 15000 | 19000 | 0.05 |
| 62202 | 15 | 35 | 14 | 0.6 | 7.65 | 3.72 | 14000 | 18000 | 0.057 |
| 62203 | 17 | 40 | 16 | 0.6 | 9.58 | 4.47 | 13000 | 17000 | 0.083 |
| 62204 | 20 | 47 | 18 | 1 | 9.88 | 6.2 | 12000 | 16000 | 0.133 |
| 62205 | 25 | 52 | 18 | 1 | 10.78 | 6.98 | 11000 | 14000 | 0.15 |
| 62206 | 30 | 62 | 20 | 1 | 14.97 | 10.04 | 9000 | 12000 | 0.247 |
| 62207 | 35 | 72 | 23 | 1.1 | 19.75 | 13.67 | 8500 | 11000 | 0.313 |
| 62208 | 40 | 80 | 23 | 1.1 | 22.71 | 15.94 | 8000 | 1000 | 0.467 |
| 62209 | 45 | 85 | 23 | 1.1 | 24.36 | 17.71 | 7000 | 9000 | 0.48 |
| 62210 | 50 | 90 | 23 | 1.1 | 26.98 | 19.84 | 6500 | 8200 | 0.53 |
| 62300 Series | |||||||||
| 62300 | 10 | 35 | 17 | 0.6 | 5.88 | 3.47 | 17000 | 22000 | 0.065 |
| 62301 | 12 | 37 | 17 | 1 | 7.48 | 4.65 | 16500 | 21000 | 0.083 |
| 62302 | 15 | 42 | 17 | 1 | 8.8 | 5.43 | 16000 | 20000 | 0.108 |
| 62303 | 17 | 47 | 19 | 1 | 10.45 | 6.56 | 15000 | 19000 | 0.15 |
| 62304 | 20 | 52 | 21 | 1.1 | 12.26 | 7.81 | 13000 | 17000 | 0.201 |
| 62305 | 25 | 62 | 24 | 1.1 | 17.22 | 11.39 | 10000 | 13000 | 0.316 |
| 62306 | 30 | 72 | 27 | 1.1 | 20.77 | 14.17 | 9000 | 12000 | 0.5 |
| 62307 | 35 | 80 | 31 | 1.5 | 25.66 | 17.92 | 8000 | 10000 | 0.65 |
| 62308 | 40 | 90 | 33 | 1.5 | 31.35 | 22.38 | 7000 | 9000 | 0.87 |
| 62309 | 45 | 100 | 36 | 1.5 | 40.66 | 30 | 6300 | 7500 | 1.07 |
| 62310 | 50 | 110 | 40 | 2 | 47.58 | 35.71 | 6000 | 7000 | 1.41 |
Detailed Photos
Ball Bearings
1.0 Introduction
Ball bearings are used widely in instruments and machines in order to minimize friction and power loss. While the concept of the ball bearing dates back at least Leonardo da Vinci, their design and manufacture has become remarkably sophisticated. In the following we shall review their basic characteristics.
2.0 Types of Ball Bearings
Commercially available ball bearings, which are usually made from hardened steel, involve many forms of construction. These have been summarized by A.O. DeHart (“Which Bearings and Why”, ASME Paper 59-MD-12, 1959), from which source the following material (including Figures 1 & 2) is hereby reprinted*
“A typical deep-groove ball bearing designed for high-speed operation is shown in Figure 1. In this bearing, the separator serves to keep the balls from rubbing against 1 another as is piloted on the inner race OD. Alternatively, the separator may be piloted by the rolling elements or by the outer race ID. Where rotative speeds are low, the separator often is omitted. The rolling elements may take many forms – cylinders, balls, tapered rollers, barrels, or very slim rollers known as needles – and the whole bearing name is generally taken from this form.
Packaging & Shipping
FAQ
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay
samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 3000 pcs customized your brand bearings.
OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.
SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!
We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Bearing Direction: | Radial |
|---|---|
| Lubricating Film Thickness: | Thin Film Lubrication |
| Presicion: | P0, P6, P5, P4, P2 |
| Bore Size: | 3 – 2390 mm |
| Bushing Material: | Self-Lubrication |
| Lubricating Way: | Maintenance-Free Bearing |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-16
China best Agriculural Machinery Bearing 209krrb2 Ball Bearings with high quality
Product Description
Agriculural Machinery Bearing 209KRRB2 ball bearings
Product Description
Block bearing: PA Block
bearing:square hole
Material:Cast Iron/stainless steel/chrome steel
Standard: ISO9
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Bearing Steel |
| Spherical: | Aligning Bearings |
| Load Direction: | Axial Bearing |
| Customization: |
Available
| Customized Request |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-04-10
China Professional 623/6213 Deep Groove Ball Bearing for Machinery bearing block
Product Description
Product Description
Deep Groove Ball Bearing is the most widely used rolling bearing. Its characteristics are low frictional resistance, high rotational speed, and can be used for bearing radial loads or combined radial and axial loads, as well as for bearing axial loads, such as low-power electric motors, car and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.
The basic Deep Groove Ball Bearing consists of an outer ring, an inner ring, a group of steel balls and a group of retainers. There are 2 types of Deep Groove Ball Bearing: single row and double row. The deep groove ball structure is also divided into sealed and open structures. The open type refers to the bearing without sealing structure. The sealed deep groove ball is divided into dust seal and oil seal. The dustproof sealing cover material is made of steel plate stamping, which only serves to prevent dust from entering the bearing raceway. The oil proof type is a contact type oil seal, which can effectively prevent the leakage of lubricating grease inside the bearing.
Product parameters
| Deep Groove Ball Bearing 6000 Series | ||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6000 Series | ||||||||
| 606 | 6 | 17 | 6 | 1.95 | 0.72 | 30000 | 38000 | 0.0057 |
| 607 | 7 | 19 | 6 | 2.88 | 10.80 | 28000 | 36000 | 0.0071 |
| 608 | 8 | 22 | 7 | 3.32 | 1.38 | 26000 | 34000 | 0.011 |
| 609 | 9 | 24 | 7 | 3.35 | 1.40 | 22000 | 30000 | 0.014 |
| 6000 | 10 | 26 | 8 | 4.58 | 1.98 | 20000 | 28000 | 0.018 |
| 6001 | 12 | 28 | 8 | 5.10 | 2.38 | 19000 | 26000 | 0.02 |
| 6002 | 15 | 32 | 9 | 5.58 | 2.85 | 18000 | 24000 | 0.026 |
| 6003 | 17 | 35 | 10 | 6.00 | 3.25 | 17000 | 22000 | 0.036 |
| 6004 | 20 | 42 | 12 | 9.38 | 5.02 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 10.10 | 5.85 | 13000 | 17000 | 0.075 |
| 6006 | 30 | 55 | 13 | 10.18 | 6.91 | 10000 | 14000 | 0.116 |
| 6007 | 35 | 62 | 14 | 12.47 | 8.66 | 9000 | 12000 | 0.155 |
| 6008 | 40 | 68 | 15 | 13.10 | 9.45 | 8500 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 16.22 | 11.96 | 8000 | 10000 | 0.231 |
| 6571 | 50 | 80 | 16 | 16.94 | 12.95 | 7000 | 9000 | 0.250 |
| 6011 | 55 | 90 | 18 | 23.28 | 17.86 | 7000 | 8500 | 0.362 |
| 6012 | 60 | 95 | 18 | 24.35 | 19.35 | 6300 | 7500 | 0.385 |
| 6013 | 65 | 100 | 18 | 24.66 | 19.74 | 6000 | 7000 | 0.410 |
| 6014 | 70 | 110 | 20 | 29.68 | 24.20 | 5600 | 6700 | 0.575 |
| 6015 | 75 | 115 | 20 | 30.91 | 26.06 | 5300 | 6300 | 0.603 |
| 6016 | 80 | 125 | 22 | 36.57 | 31.36 | 5000 | 6000 | 0.921 |
| 6017 | 85 | 130 | 22 | 39.04 | 33.75 | 5000 | 6000 | 0.848 |
| 6018 | 90 | 140 | 24 | 44.63 | 39.16 | 4800 | 5600 | 1.103 |
| 6019 | 95 | 145 | 24 | 44.45 | 39.16 | 4500 | 5300 | 1.156 |
| 6571 | 100 | 150 | 24 | 49.58 | 44.08 | 4300 | 5300 | 1.174 |
| 6571 | 105 | 160 | 26 | 55.32 | 49.77 | 4000 | 4800 | 1.520 |
| 6571 | 110 | 170 | 28 | 62.99 | 57.39 | 3800 | 4500 | 1.891 |
| Deep Groove Ball Bearing 6200 Series | ||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6200 Series | ||||||||
| 623 | 3 | 10 | 4 | 0.5 | 0.2156 | 38000 | 48000 | 0.0015 |
| 624 | 4 | 13 | 5 | 1.15 | 0.40 | 36000 | 45000 | 0.0032 |
| 625 | 5 | 16 | 5 | 1.88 | 0.68 | 32000 | 40000 | 0.0048 |
| 626 | 6 | 19 | 6 | 2.8 | 1.05 | 28000 | 36000 | 0.0075 |
| 627 | 7 | 22 | 7 | 3.28 | 1.35 | 26000 | 34000 | 0.012 |
| 628 | 8 | 24 | 8 | 3.35 | 1.40 | 24000 | 32000 | 0.017 |
| 629 | 9 | 26 | 8 | 4.45 | 1.95 | 22000 | 30000 | 0.019 |
| 6200 | 10 | 30 | 9 | 5.1 | 2.38 | 19000 | 26000 | 0.571 |
| 6201 | 12 | 32 | 10 | 6.82 | 3.05 | 18000 | 24000 | 0.034 |
| 6202 | 15 | 35 | 11 | 7.65 | 3.72 | 17000 | 22000 | 0.043 |
| 6203 | 17 | 40 | 12 | 9.58 | 4.47 | 16000 | 20000 | 0.062 |
| 6204 | 20 | 47 | 14 | 9.88 | 6.20 | 14000 | 18000 | 0.102 |
| 6205 | 25 | 52 | 15 | 10.78 | 6.98 | 12000 | 16000 | 0.120 |
| 6206 | 30 | 62 | 16 | 14.97 | 10.04 | 9500 | 13000 | 0.190 |
| 6207 | 35 | 72 | 17 | 19.75 | 13.67 | 8500 | 11000 | 0.270 |
| 6208 | 40 | 80 | 18 | 22.71 | 15.94 | 8000 | 10000 | 0.370 |
| 6209 | 45 | 85 | 19 | 24.36 | 17.71 | 7000 | 9000 | 0.380 |
| 6210 | 50 | 90 | 20 | 26.98 | 19.84 | 6700 | 8500 | 0.450 |
| 6211 | 55 | 100 | 21 | 33.37 | 25.11 | 6000 | 7500 | 0.603 |
| 6212 | 60 | 110 | 22 | 36.74 | 27.97 | 5600 | 7000 | 0.789 |
| 6213 | 65 | 120 | 23 | 44.01 | 34.18 | 5000 | 6300 | 0.990 |
| 6214 | 70 | 125 | 24 | 46.79 | 37.59 | 4800 | 6000 | 1.084 |
| 6215 | 75 | 130 | 25 | 50.85 | 41.26 | 4800 | 5600 | 1.171 |
| 6216 | 80 | 140 | 26 | 55.04 | 45.09 | 4500 | 5300 | 1.448 |
| 6217 | 85 | 150 | 28 | 64.01 | 53.28 | 4300 | 5000 | 1.803 |
| 6218 | 90 | 160 | 30 | 73.83 | 60.76 | 4000 | 4800 | 2.172 |
| 6219 | 95 | 170 | 32 | 84.83 | 70.85 | 3800 | 4500 | 2.620 |
| 6220 | 100 | 180 | 34 | 93.95 | 79.35 | 3600 | 4300 | 3.189 |
| 6221 | 105 | 190 | 36 | 102.30 | 89.59 | 3400 | 4000 | 3.782 |
| 6222 | 110 | 200 | 38 | 110.82 | 100.43 | 3200 | 3800 | 4.421 |
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer diameter | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6300 Series | ||||||||
| 634 | 4 | 16 | 5 | 1.447 | 0.745 | 32000 | 40000 | 0.0049 |
| 635 | 5 | 19 | 6 | 2.161 | 1.163 | 28000 | 36000 | 0.0073 |
| 6300 | 10 | 35 | 11 | 5.88 | 3.47 | 20000 | 26000 | 0.054 |
| 6301 | 12 | 37 | 12 | 7.48 | 4.65 | 17000 | 22000 | 0.058 |
| 6302 | 15 | 42 | 13 | 8.80 | 5.43 | 16000 | 20000 | 0.082 |
| 6303 | 17 | 47 | 14 | 10.45 | 6.56 | 15000 | 19000 | 0.110 |
| 6304 | 20 | 52 | 15 | 12.26 | 7.81 | 13000 | 17000 | 0.140 |
| 6305 | 25 | 62 | 17 | 17.22 | 11.39 | 10000 | 14000 | 0.220 |
| 6306 | 30 | 72 | 19 | 20.77 | 14.17 | 9000 | 12000 | 0.330 |
| 6307 | 35 | 80 | 21 | 25.66 | 17.92 | 8000 | 10000 | 0.410 |
| 6308 | 40 | 90 | 23 | 31.35 | 22.38 | 7000 | 9000 | 0.600 |
| 6309 | 45 | 100 | 25 | 40.66 | 30.00 | 6300 | 7500 | 0.770 |
| 6310 | 50 | 110 | 27 | 47.58 | 35.71 | 6000 | 7000 | 1.030 |
| 6311 | 55 | 120 | 29 | 55.05 | 41.91 | 5600 | 6700 | 1.367 |
| 6312 | 60 | 130 | 31 | 62.88 | 48.60 | 5000 | 6000 | 1.710 |
| 6313 | 65 | 140 | 33 | 72.21 | 56.68 | 4500 | 5300 | 2.100 |
| 6314 | 70 | 150 | 35 | 80.10 | 63.48 | 4300 | 5000 | 2.550 |
| 6315 | 75 | 160 | 37 | 87.25 | 71.67 | 4300 | 5000 | 3.046 |
| 6316 | 80 | 170 | 39 | 94.57 | 80.35 | 4000 | 4800 | 3.609 |
| 6317 | 85 | 180 | 41 | 102.05 | 89.52 | 3800 | 4500 | 4.284 |
| 6318 | 90 | 190 | 43 | 110.81 | 100.76 | 3600 | 4300 | 4.979 |
| 6319 | 95 | 200 | 45 | 120.51 | 113.75 | 3300 | 3900 | 5.740 |
| 6320 | 100 | 215 | 47 | 133.06 | 131.18 | 3200 | 3700 | 7.090 |
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer diameter | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6400 Series | ||||||||
| 6410 | 50 | 130 | 31 | 92 | 55 | 5300 | 6300 | 1.85 |
| 6411 | 55 | 140 | 33 | 77.44 | 67.71 | 5000 | 6000 | 2.316 |
| 6412 | 60 | 150 | 35 | 83.94 | 70.30 | 4800 | 5600 | 2.811 |
| 6413 | 65 | 160 | 37 | 90.88 | 78.33 | 4500 | 5300 | 3.342 |
| 6414 | 70 | 180 | 42 | 107.31 | 99.53 | 4000 | 4800 | 4.896 |
| 6415 | 75 | 190 | 45 | 153 | 114 | 3800 | 4500 | 5.57 |
| 6416 | 80 | 200 | 48 | 164 | 125 | 3400 | 4000 | 6.63 |
| 6417 | 85 | 210 | 52 | 165 | 136 | 3200 | 3800 | 8.12 |
| 6418 | 90 | 225 | 54 | 193 | 158 | 3000 | 3600 | 9.47 |
| 6419 | 95 | 240 | 55 | 204 | 171 | 3400 | 3600 | 13.4 |
| 6420 | 100 | 250 | 58 | 224 | 195 | 2600 | 3400 | 12.8 |
| 6422 | 110 | 280 | 65 | |||||
Advantages
1. Professional suppliers. We are 1 of the largest bearing suppliers in China. In addition to the products produced by our own factory, we also have a stable product supply chain to provide all types of bearings.
2. Quality assurance. We produce and provide industry standard bearings with high-precision manufacturing processes, and can customize bearings according to customer needs.
3. Professional team. In terms of production research, we have sufficient technical talents to support the product production line and ensure product quality; In terms of sales, we have professional and enthusiastic service personnel to ensure the sales and after-sales service of our products, and to ensure the stability and durability of our cooperative relationship.
4. Fast delivery. Our factory has professional and responsible production staff who can provide the shortest delivery time that customers are satisfied with.
Packaging & Shipping
| Packaging | 1)Original package 2) Single box + outer carton 3)Tube package + outer carton 4)Customized according to customer needs |
| Shipping | 1)Ocean shipping 2)Air transport 3)Select according to customer needs |
Company Profile
ZheJiang Dente International Trade Co., Ltd. is located in HangZhou, the “Kite Capital of the World”, and its production base is located in HangZhou, the largest bearing wholesale base in China.
Our company’s leading products include Deep Groove Ball Bearing, tapered roller bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, thrust ball bearings, various needle bearings, inch bearings, as well as world famous brand imported bearing products and so on.
Our company is famous for its professional service attitude, collective spirit of unity and dedication, and pragmatic and efficient work style in this field. Value determines price. We will provide customers with high-quality products and services with the best quality, and look forward to our CZPT cooperation!
FAQ
1.Are you a Manufacturer or trading company?
We are professional manufactuer of bearings with ISO standards.
2.Can I get a sample to check out the quality?
Sure, free samples are available for stock products if you can pay for the shipping cost.
3.Can you do OEM to print my logo/brand on the products?
Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
4.How soon can I expect my order to be finished?
We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Advantages: | High Precision/Low Noise/High Speed |
|---|---|
| Sample Order: | Acceptable |
| Retainer Material: | Nylon/Bakelite/Steel/Copper |
| Samples: |
US$ 1.99/Piece
1 Piece(Min.Order) | Order Sample Chrome Steel
|
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-03-28
China Good quality 5307zz Premium Sealed Double Row Angular Contact Ball Bearing 5307 Zz 2RS Rz C3 35X80X34.9mm for Textile Machinery Bearings with Best Sales
Product Description
5307ZZ Premium Sealed Double Row Angular Contact Ball Bearing 5307 ZZ 2RS RZ C3 35x80x34.9mm For Textile machinery bearings
– Single row and double row
– Open and sealed types
– Chrome steel, ceramic or hybrid materials
– Polyamide, steel, and brass cage assemblies
– 6000 series:604.605.606.607.608.609.6000.6001.6002.6003.6004.6005.6006.6007.6008.6009.6571.6011.6012
– 6200 series: 624.625.626.627.628.629.6200.6201.6202.6203.6204.6205.6206.6207.6208.6209.6210.6211.6212
– 6300 series:634.635.636.637.638.639.6300.6301.6302.6303.6304.6305.6306.6307.6308.6309.6310.6311.6312
– 6400 series:6403.6404.6405.6406.6407.6408.6409.6410.6411.6412.6413.6414.6415.6416.6417.6418.6419.6420
– 6700 series:673.674.675.676.677.678.679.6700.6701.6702.6703.6704.6705
– 6800 series:685.686.687.688.689.6800.6801.6802.6803.6804.6805.6806.6807.6808.6809.6810.6811.6812
– 6900 series:695.696.697.698.699.6900.6901.6902.6903.6904.6905.6906.6907.6908.6909.6910.6911.6912
– 16000 series:16001.16002.16003.16004.16005.16006.16007.16008.16009.16571.16011.16012.16013.16014
Cross-reference of Deep Groove Ball Bearings
| Description | Interchange | ||||
| NSK Deep Groove Ball Bearings | SKFbearing | Deep Groove Ball Bearings | NTN Deep Groove Ball Bearings | ||
| Part Number | Inch | R00 | R00 | R00 | R00 |
| Extra small | 600 | 600 | 600 | 600 | |
| Extra Light | 6000 | 6000 | 6000 | 6000 | |
| Light | 6200 | 6200 | 6200 | 6200 | |
| Medium | 6300 | 6300 | 6300 | 6300 | |
| Extra thin section | 6800 | 61800 | 61800 | 6800 | |
| Very thin section | 6900 | 61900 | 61900 | 6900 | |
| Thin section | 16000 | 16000 | 16000 | — | |
| Maximum capacity, light | BL200 | 200 | 200 | BL200 | |
| Maximum capacity, medium | BL300 | 300 | 300 | BL300 | |
| Cartridge type | 63300 | — | — | 63300 | |
| 63200 | — | — | 63200 | ||
| Part Number Suffix | Two seals (non contact) | VV | 2RZ | — | LLB |
| Two seals (contact) | DDU | 2RS1 | 2RSR | LLU | |
| One seal (contact) | DU | RS1 | RSR | LU | |
| Two shields | ZZ | 2Z | 2ZR | ZZ | |
| One shield | Z | Z | ZR | Z | |
| Snap ring | NR | NR | NR | NR | |
| Steel cage | blank | J | blank | blank | |
| Brass cage | M | M | M | L1 | |
| Heat stabilized 200C | 28 | S1 | S1 | PREFIx TS3 | |
| Tight clearance | C2 | C2 | C2 | C2 | |
| Normal clearance | blank | blank | blank | blank | |
| Loose clearance | C3 | C3 | C3 | C3 | |
| Extra loose clearance | C4 | C4 | C4 | C4 | |
| Electric motor grade | E | QE6 | — | — | |
Products Details
Linear bearings, manufactured at low cost, are used in limitless journeys or used to work in columns. As the loading ball contacts the shaft at a certain point, the bearing application loading capacity is quite small. With balls rotating with quite small friction resistance, high-precise level movement can be obtained. Linear bearings are widely used in precise equipment such as electronic equipment, pull measuring machines, materialization 3-D measuring equipment, etc; and slip parts of industrial machines such as multi-shaft machines, punching machines, tool grinders, auto steam cutting machines, printers, card selection machine, food packing machine and so on.
| Bearing Number | Bearing Number | Mass (g) |
| 604 | 604 ZZ | 2.1 |
| 605 | 605 ZZ | 3.5 |
| 606 | 606 ZZ | 5.8 |
| 607 | 607 ZZ | 7.6 |
| 608 | 608 ZZ | 12 |
| 609 | 609 ZZ | 15 |
| 623 | 623 ZZ | 1.6 |
| 624 | 624 ZZ | 2.9 |
| 625 | 625 ZZ | 5 |
| 626 | 626 ZZ | 8.1 |
| 627 | 627 ZZ | 13 |
| 628 | 628 ZZ | 18 |
| 629 | 629 ZZ | 20 |
| 633 | 633 ZZ | 3 |
| 634 | 634ZZ | 5.3 |
| 635 | 635 ZZ | 8.5 |
| 636 | 636 ZZ | 13 |
| 637 | 637 ZZ | 24 |
| 638 | 638 ZZ | 29 |
| 639 | 639 ZZ | 35 |
| 6000 DDU | 6200 DDU | 6300 DDU | 6400 DDU |
| 6001 DDU | 6201 DDU | 6301 DDU | 6401 DDU |
| 6002 DDU | 6202 DDU | 6302 DDU | 6402 DDU |
| 6003 DDU | 6203 DDU | 6303 DDU | 6403 DDU |
| 6004 DDU | 6204 DDU | 6304 DDU | 6404 DDU |
| 6005 DDU | 6205 DDU | 6305 DDU | 6405 DDU |
| 6006 DDU | 6206 DDU | 6306 DDU | 6406 DDU |
| 6007 DDU | 6207 DDU | 6307 DDU | 6407 DDU |
| 6008 DDU | 6208 DDU | 6308 DDU | 6408 DDU |
| 6009 DDU | 6209 DDU | 6309 DDU | 6409 DDU |
| 6571 DDU | 6210 DDU | 6310 DDU | 6410 DDU |
| 6011 DDU | 6211 DDU | 6311 DDU | 6411 DDU |
| 6012 DDU | 6212 DDU | 6312 DDU | 6412 DDU |
| 6013 DDU | 6213 DDU | 6313 DDU | 6413 DDU |
| 6014 DDU | 6214 DDU | 6314 DDU | 6414 DDU |
| 6015 DDU | 6215 DDU | 6315 DDU | 6415 DDU |
| 6016 DDU | 6216 DDU | 6316 DDU | 6416 DDU |
| 6017 DDU | 6217 DDU | 6317 DDU | 6417 DDU |
| 6018 DDU | 6218 DDU | 6318 DDU | 6418 DDU |
| 6019 DDU | 6219 DDU | 6319 DDU | 6419 DDU |
| 6571 DDU | 6220 DDU | 6320 DDU | 6420 DDU |
| 6000 ZZ | 6200 ZZ | 6300 ZZ | 6400 ZZ |
| 6001 ZZ | 6201 ZZ | 6301 ZZ | 6401 ZZ |
| 6002 ZZ | 6202 ZZ | 6302 ZZ | 6402 ZZ |
| 6003 ZZ | 6203 ZZ | 6303 ZZ | 6403 ZZ |
| 6004 ZZ | 6204 ZZ | 6304 ZZ | 6404 ZZ |
| 6005 ZZ | 6205 ZZ | 6305 ZZ | 6405 ZZ |
| 6006 ZZ | 6206 ZZ | 6306 ZZ | 6406 ZZ |
| 6007 ZZ | 6207 ZZ | 6307 ZZ | 6407 ZZ |
| 6008 ZZ | 6208 ZZ | 6308 ZZ | 6408 ZZ |
| 6009 ZZ | 6209 ZZ | 6309 ZZ | 6409 ZZ |
| 6571 ZZ | 6210 ZZ | 6310 ZZ | 6410 ZZ |
| 6011 ZZ | 6211 ZZ | 6311 ZZ | 6411 ZZ |
| 6012 ZZ | 6212 ZZ | 6312 ZZ | 6412 ZZ |
| 6013 ZZ | 6213 ZZ | 6313 ZZ | 6413 ZZ |
| 6014 ZZ | 6214 ZZ | 6314 ZZ | 6414 ZZ |
| 6015 ZZ | 6215 ZZ | 6315 ZZ | 6415 ZZ |
| 6016 ZZ | 6216 ZZ | 6316 ZZ | 6416 ZZ |
| 6017 ZZ | 6217 ZZ | 6317 ZZ | 6417 ZZ |
| 6018 ZZ | 6218 ZZ | 6318 ZZ | 6418 ZZ |
| 6019 ZZ | 6219 ZZ | 6319 ZZ | 6419 ZZ |
| 6571 ZZ | 6220 ZZ | 6320 ZZ | 6420 ZZ |
Detailed Photos
Our Advantages
Company Advantages
1. FREE SAMPLES: contact us by email or trade manager, and we will send the free samples according to your request.
2. World-Class Bearing: We provide our customers with all types of bearing with world-class quality.
3. OEM or Non-Stand Bearings: Any requirement for Non-standard bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the 100% quality products it provides with genuine intent.
5. After Sales Service and Technical Assistance: Company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant, and high-reliability bearings with excellent quality and better performance. Resulting in increased cost savings.
8. Attending customer queries promptly: We believe that if customers is satisfied then it proves our worth well. Customers are always given quick support.
Packaging & Shipping
| Packaging | |
| 1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet | |
| 2)Industrial Bearings packaging | |
| 3)According to the requirement of customers’ | |
| Payment | |
| 1) T/T:30% deposit, 70% should be paid before shipment. | |
| 2) L/C at sight. (high bank charge, not suggest, but acceptable ) | |
| 3) 100% Western Union in advance. (especially for air shipment or small amount) | |
| Delivery | |
| 1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient ) | |
| 2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive ) | |
| 3) More than 200 KGS, we will send by sea. ( Cheapest, but long time ) | |
More Products
We can provide more versions of Ball Bearings
Company Profile
HangZhou HOJE Bearing Co.,LTD Specializing in the manufacture and sales of bearings and bearing accessories, we mainly produce deep groove ball bearings, spherical bearings with seats, tapered roller bearings, and related components. Our factory has the most advanced equipment, first-class mechanical professional and technical personnel, and one-stop automatic production from bearing raw materials to finished products. We are willing to provide excellent services for factories that produce industrial equipment, vehicles, electromechanical tools, home appliances, instrumentation, fitness equipment, leisure sports equipment, users of various types of mechanical equipment and civil machinery, and domestic and foreign traders and distributors.
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| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Double |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2023-12-21
China Custom Open Metric Single Row Deep Groove Ball Bearing for Agricultural Machinery Pump Motor bearing air
Product Description
Introduction:
Introducing Our Zero-Class Deep Groove Ball Bearings for Your Needs!
Looking to enhance the performance of your industrial machinery? Your search ends here! Our Zero-Class Deep Groove Ball Bearings are engineered to offer a myriad of advantages, making them the perfect choice for your requirements.
1. Exceptional Precision: Our bearings are crafted with meticulous precision, ensuring minimal friction and optimal performance, thus enhancing the efficiency of your machinery.
2. High Load Capacity: Designed to withstand heavy axial and radial loads, our bearings guarantee reliable operation even in the most demanding applications.
3. Low Maintenance: Say goodbye to frequent downtime and maintenance costs. Our Zero-Class Deep Groove Ball Bearings are built to last, reducing the need for replacements.
4. Versatile Applications: Whether you operate in automotive, manufacturing, or any other industry, these bearings are versatile enough to meet a wide range of app
Parameter:
| Product Name | Ball bearing Xihu (West Lake) Dis.r bearing Piliow bilock bearing Needle roller bearing Thrust ball bearing |
| Brand Name | KSA |
| Material | Gcr15 |
| Precision Grade | P0,P6,P5 |
| Certification | ISO 9001 |
| Packeage | Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement |
| MOQ | Depending On Moedl |
| Serice | OEM |
| Sample | Available |
| Payment | TT or L/C or Western Union |
| Port | HangZhou |
| Model | Internal diameter | External diameter | Height | Weight |
| MR52 | 2 | 5 | 2.5 | 0.00571 |
| MR62 | 2 | 6 | 2.5 | 0.00032 |
| MR63 | 3 | 6 | 2.5 | 0.00035 |
| MR83 | 3 | 8 | 3 | 0.00038 |
| MR93 | 3 | 9 | 4 | 0.00052 |
| MR74 | 4 | 7 | 2 | 0.00048 |
| MR84 | 4 | 8 | 3 | 0.00055 |
| MR104 | 4 | 10 | 4 | 0.00068 |
| MR85 | 5 | 8 | 2 | 0.00063 |
| MR95 | 5 | 9 | 3 | 0.00065 |
| MR105 | 5 | 10 | 4 | 0.0012 |
| MR115 | 5 | 11 | 4 | 0.0019 |
| MR106 | 6 | 10 | 2.5 | 0.0018 |
| MR126 | 6 | 12 | 3 | 0.0019 |
| MR117 | 7 | 11 | 2.5 | 0.0018 |
| MR137 | 7 | 13 | 4 | 0.0571 |
| MR128 | 8 | 12 | 2.5 | 0.0026 |
| MR148 | 8 | 14 | 3.5 | 0.0032 |
| R144 | 3.175 | 6.35 | 2.38 | 0.0571 |
| R2 | 3.175 | 9.525 | 3.967 | 0.00065 |
| R155 | 3.967 | 7.938 | 3.175 | 0.00065 |
| R156 | 4.762 | 7.938 | 3.175 | 0.00065 |
| R1166 | 4.762 | 9.525 | 3.175 | 0.0012 |
| R3 | 6.35 | 12.7 | 4.978 | 0.0018 |
| R168 | 6.35 | 9.525 | 3.175 | 0.0016 |
| R188 | 6.35 | 12.7 | 4.762 | 0.0018 |
| R4 | 6.35 | 15.875 | 4.978 | 0.0032 |
| R1810 | 7.938 | 12.7 | 3.967 | 0.0571 |
| R6 | 9.525 | 22.225 | 7.142 | 0.016 |
| R8 | 12.7 | 28.575 | 7.938 | 0.018 |
| MR104 | 15.875 | 34.925 | 8.733 | 0.571 |
| R12 | 19.05 | 41.275 | 7.938 | 0.052 |
| 6700 | 10 | 15 | 3 | 0.001 |
| 6701 | 12 | 18 | 4 | 0.002 |
| 6702 | 15 | 21 | 4 | 0.002 |
| 6703 | 17 | 47 | 10 | 0.003 |
| 6704 | 20 | 27 | 4 | 0.006 |
| 6705 | 25 | 32 | 4 | 0.018 |
| 6706 | 30 | 37 | 4 | 0.571 |
| 6707 | 35 | 44 | 5 | 0.026 |
| 6708 | 40 | 50 | 6 | 0.571 |
| 6709 | 45 | 55 | 6 | 0.033 |
| 6710 | 50 | 62 | 6 | 0.04 |
| 6711 | 55 | 68 | 7 | 0.052 |
| 6712 | 60 | 75 | 10 | 0.084 |
FAQ
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 10 pcs customized your brand bearings.
OEM POLICY
1.We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.
SUPPORT
Please visit our bearings website, we strongly encourage that you can communicate with us through email, thanks!
| Quality: | High Quality |
|---|---|
| Inventory: | Abundant |
| Major Market: | Global |
| Trait: | Bainite Process, High Quality Bearing Steel |
| Seal Type: | Open Type |
| Minimum Order Quantity: | One |
| Samples: |
US$ 6.95/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2023-11-14