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 | |||
| 6000 Series | |||||||||
| 606 | 6 | 17 | 6 | 0.3 | 1.95 | 0.72 | 30000 | 38000 | 0.0057 |
| 607 | 7 | 19 | 6 | 0.3 | 2.88 | 1.08 | 28000 | 36000 | 0.0071 |
| 608 | 8 | 22 | 7 | 0.3 | 3.32 | 1.38 | 26000 | 34000 | 0.011 |
| 609 | 9 | 24 | 7 | 0.3 | 3.35 | 1.4 | 22000 | 30000 | 0.014 |
| 6000 | 10 | 26 | 8 | 0.3 | 4.58 | 1.98 | 20000 | 28000 | 0.018 |
| 6001 | 12 | 28 | 8 | 0.3 | 5.1 | 2.38 | 19000 | 26000 | 0.02 |
| 6002 | 15 | 32 | 9 | 0.3 | 5.58 | 2.85 | 18000 | 24000 | 0.026 |
| 6003 | 17 | 35 | 10 | 0.3 | 6 | 3.25 | 17000 | 22000 | 0.036 |
| 6004 | 20 | 42 | 12 | 0.6 | 9.38 | 5.02 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 0.6 | 10.1 | 5.85 | 13000 | 17000 | 0.075 |
| 6006 | 30 | 55 | 13 | 1 | 10.18 | 6.91 | 10000 | 14000 | 0.116 |
| 6007 | 35 | 62 | 14 | 1 | 12.47 | 8.66 | 9000 | 12000 | 0.155 |
| 6008 | 40 | 68 | 15 | 1 | 13.1 | 9.45 | 8500 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 1 | 16.22 | 11.96 | 8000 | 10000 | 0.231 |
| 6571 | 50 | 80 | 16 | 1 | 16.94 | 12.95 | 7000 | 9000 | 0.25 |
| 6011 | 55 | 90 | 18 | 1.1 | 23.28 | 17.86 | 7000 | 8500 | 0.362 |
| 6012 | 60 | 95 | 18 | 1.1 | 24.35 | 19.35 | 6300 | 7500 | 0.385 |
| 6013 | 65 | 100 | 18 | 1.1 | 24.66 | 19.74 | 6000 | 7000 | 0.41 |
| 6014 | 70 | 110 | 20 | 1.1 | 29.68 | 24.2 | 5600 | 6700 | 0.575 |
| 6015 | 75 | 115 | 20 | 1.1 | 30.91 | 26.06 | 5300 | 6300 | 0.603 |
| 6016 | 80 | 125 | 22 | 1.1 | 36.57 | 31.36 | 5000 | 6000 | 0.821 |
| 6017 | 85 | 130 | 22 | 1.1 | 39.04 | 33.75 | 4500 | 5600 | 0.848 |
| 6018 | 90 | 140 | 24 | 1.5 | 44.63 | 39.16 | 4300 | 5300 | 1.1 |
Company Profile
Packaging & Shipping
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
/* 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(/(.*?):(.*)$/))&&1
| Brand: | Koyo, Timken NSK NTN . |
|---|---|
| Precision: | Z1V1 Z2V2 Z3V3 |
| Cage: | Steel, Nylon, Brass |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| 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.
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.
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 2024-05-17
China OEM High Chrome Carbon Bearing Steel Gcr15 Stainless Steel SUS440 95cr18 SUS420 30cr13 6204 6205 608 6003 6202 6001 6004 6302 6303 2RS Zz Deep Groove Ball Bearing bearing distributors
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards according to the testing result of roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
| Subject | Symbol | Description |
| Sealing & Sealing type | Z | Metal shield on 1 side. |
| ZZ | Metal shields on both sides. | |
| RS | Rubber seal on 1 side. | |
| 2RS | Rubber seals on both sides. | |
| ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
| 2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
| ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
| Vibration Velocity | V | Normal vibration level. Is not indicated as a standard. |
| V1 | Lower vibration level than normal. | |
| V2 | Lower vibration level than V1. | |
| V3 | Lower vibration level than V2. | |
| V4 | Lower vibration level than V3. | |
| Tolerances | P0(ABEC1) | Bearings in standard tolerance |
| P6(ABEC3) | Tighter tolerance than standard bearings | |
| P5(ABEC5) | Tolerance tighter than P6 | |
| P4(ABEC7) | Tolerance tighter than P5 | |
| P2(ABEC9) | Tolerance tighter than P4 | |
| Radial internal clearance | C1 | Smaller clearance than C2 |
| C2 | Smaller clearance than CN | |
| CN(C0) | Clearance than normal | |
| C3 | Clearance larger than CN | |
| C4 | Clearance larger than C3 | |
| C5 | Clearance larger than C4 | |
| Snap Ring Groove | N | Snap ring groove in the outer ring |
| NR | Snap ring groove in the outer ring, with snap ring | |
| N1 | One locating slot in 1 outer ring side face | |
| R | Flanged outer ring | |
| Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
| N | Snap ring groove in the outer ring. | |
| SS | Stainless steel. |
| Cage Materials | J | Pressed steel cages |
| M | Solid brass cage | |
| F | Solid cage made from steel or iron | |
| Y | Pressed brass cages. | |
| T | Laminated phenolic cages. | |
| TN | Polyamide cages | |
| TH | Glass-fiber reinforced phenolic resin cages. | |
| TV | Polyamide cage | |
| Cage Designs | P | Window-type cage |
| H | Claw-type cage | |
| A | Cage guided on the bearing outer ring | |
| B | Cage-guided on the bearing inner ring | |
| S | Cage with lubricating slots in the guiding surfaces | |
| D | Carbonitriding cage | |
| W | Welded cage | |
| R | Riveted Cage | |
| Cage Types | N/A | Claw-type cage |
| Ribbon cage | ||
| Crown cage | ||
| Sunflower cage | ||
| Tapered cage |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
| Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
| Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
| 6301 | 12 | 17 | 12 | 17000 | 22000 | 9.72 | 5.08 | 0.06 |
| 6302 | 15 | 42 | 13 | 16000 | 20000 | 11.5 | 5.42 | 0.082 |
| 6303 | 17 | 47 | 14 | 15000 | 18000 | 13.5 | 6.58 | 0.115 |
| 6304 | 20 | 52 | 15 | 13000 | 16000 | 15.8 | 7.88 | 0.142 |
| 6305 | 25 | 62 | 17 | 11000 | 13000 | 20.6 | 11.3 | 0.232 |
| 6306 | 30 | 72 | 19 | 6600 | 12000 | 26.7 | 15 | 0.346 |
| 6307 | 35 | 80 | 21 | 8500 | 10000 | 33.4 | 19.3 | 0.457 |
| 6308 | 40 | 90 | 23 | 7000 | 8500 | 40.8 | 24 | 0.639 |
| 6309 | 45 | 100 | 25 | 6300 | 7500 | 52.8 | 31.8 | 0.837 |
| 6310 | 50 | 110 | 27 | 6000 | 7000 | 61.8 | 38 | 1.082 |
| 6311 | 55 | 120 | 29 | 5600 | 6700 | 71.5 | 44.8 | 1.367 |
| 6312 | 60 | 130 | 31 | 5000 | 6000 | 81.8 | 51.8 | 1.71 |
| 6313 | 65 | 140 | 33 | 4500 | 5300 | 93.8 | 60.5 | 2.1 |
| 6313 | 70 | 150 | 35 | 4300 | 5000 | 105 | 68 | 2.55 |
| 6315 | 75 | 160 | 37 | 4000 | 4800 | 113 | 76.8 | 3.05 |
| 6316 | 80 | 170 | 39 | 3800 | 4500 | 123 | 86.5 | 3.61 |
| 6317 | 85 | 180 | 41 | 3600 | 4300 | 132 | 96.5 | 4.284 |
| 6318 | 90 | 190 | 43 | 3400 | 4000 | 145 | 108 | 4.97 |
| 6319 | 95 | 200 | 45 | 3200 | 3800 | 157 | 122 | 5.74 |
| 6320 | 100 | 215 | 47 | 2800 | 3600 | 173 | 140 | 7.09 |
| 6321 | 105 | 225 | 49 | 2600 | 3200 | 184 | 153 | 8.05 |
| 6322 | 110 | 240 | 50 | 2400 | 3000 | 205 | 178 | 9.53 |
| 6324 | 120 | 260 | 55 | 2200 | 2800 | 228 | 208 | 12.2 |
| 6326 | 130 | 280 | 58 | 2000 | 2600 | 253 | 242 | 14.77 |
| 6328 | 140 | 300 | 62 | 1900 | 2400 | 275 | 272 | 18.33 |
| 6330 | 150 | 320 | 65 | 1700 | 2200 | 288 | 295 | 21.87 |
| 6332 | 160 | 340 | 68 | 1600 | 2000 | 313 | 340 | 26.43 |
/* 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(/(.*?):(.*)$/))&&1
| Material Option 2: | Stainless Steel |
|---|---|
| MOQ: | One Pallet |
| Seals Options: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
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 Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of 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 2024-04-11
China wholesaler Good Quality Gcr15 Stainless Steel SUS440 30cr13 Q Series Qjf1028m Qj222m Qj316n2m Qjf1024m Four-Point Angular Contact Ball Bearings double row ball bearing
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards according to the testing result of roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
| Subject | Symbol | Description |
| Sealing & Sealing type | Z | Metal shield on 1 side. |
| ZZ | Metal shields on both sides. | |
| RS | Rubber seal on 1 side. | |
| 2RS | Rubber seals on both sides. | |
| ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
| 2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
| ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
| Cage Materials | J | Pressed steel cages |
| M | Solid brass cage | |
| F | Solid cage made from steel or iron | |
| Y | Pressed brass cages. | |
| T | Laminated phenolic cages. | |
| TN | Polyamide cages | |
| TH | Glass-fiber reinforced phenolic resin cages. | |
| TV | Polyamide cage | |
| Cage Designs | P | Window-type cage |
| H | Claw-type cage | |
| A | Cage guided on the bearing outer ring | |
| B | Cage-guided on the bearing inner ring | |
| S | Cage with lubricating slots in the guiding surfaces | |
| D | Carbonitriding cage | |
| W | Welded cage | |
| R | Riveted Cage | |
| Cage Types | N/A | Claw-type cage |
| Ribbon cage | ||
| Crown cage | ||
| Sunflower cage | ||
| Tapered cage | ||
| Tolerances | PN(P0) | Bearings in standard tolerance |
| P6 | Tighter tolerance than standard bearings | |
| P5 | Tolerance tighter than P6 | |
| P4 | Tolerance tighter than P5 | |
| P2 | Tolerance tighter than P4 | |
| Contact Angle | C | Contact angle 15˚. |
| AC | Contact angle 25˚. | |
| CA | Contact angle 20˚. | |
| E | Contact angle 35˚. | |
| B | Contact angle 40˚. | |
| Bearing Sets | DB | Two bearings: back-to-back. |
| DF | Two bearings: face-to-face. | |
| DT | Two bearings: in tandem. | |
| TBT | Three bearings: tandem and back-to-back. | |
| TFT | Three bearings: tandem and face-to-face. | |
| QFC | Four bearings: tandem and face-to-face. | |
| DB | Two bearings: back-to-back. | |
| DF | Two bearings: face-to-face. |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
| Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
| Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
| QJ1571 | 110 | 170 | 28 | 2400 | 3000 | 132 | 172 | 2.6 |
| QJ222 | 110 | 200 | 38 | 2200 | 2800 | 255 | 245 | 5.5 |
| QJ322 | 110 | 240 | 50 | 1800 | 2300 | 267 | 334 | 12.5 |
| QJ1571 | 120 | 180 | 28 | 2200 | 2800 | 108 | 145 | 2.6 |
| QJ224 | 120 | 215 | 40 | 1900 | 2400 | 210 | 260 | 6.9 |
| QJ324 | 120 | 260 | 55 | 1600 | 2200 | 352 | 392 | 15.3 |
| QJ1026 | 130 | 200 | 33 | 1900 | 2400 | 135 | 185 | 4 |
| QJ1571 | 140 | 210 | 33 | 1750 | 2250 | 138 | 195 | 4.2 |
| QJ328 | 140 | 300 | 62 | 1250 | 1650 | 340 | 480 | 22.7 |
| QJ1030X1 | 150 | 224.5 | 35 | 1600 | 2100 | 175 | 245 | 5.1 |
| QJ1030 | 150 | 225 | 35 | 1600 | 2100 | 175 | 245 | 5.1 |
| QJ230 | 150 | 270 | 45 | 1350 | 1750 | 258 | 369 | 11.8 |
| QJ330 | 150 | 320 | 65 | 1150 | 1450 | 365 | 533 | 27 |
| QJ1032 | 160 | 240 | 38 | 1450 | 1850 | 181 | 264 | 6.3 |
| QJ232 | 160 | 290 | 48 | 1200 | 1550 | 282 | 414 | 14.6 |
| QJ1034 | 170 | 260 | 42 | 1300 | 1600 | 226 | 333 | 8.5 |
| QJ234 | 170 | 310 | 52 | 1100 | 1400 | 310 | 480 | 18.2 |
| QJ334 | 170 | 360 | 72 | 1300 | 1200 | 410 | 670 | 41.7 |
| QJ3936X1 | 180 | 259.5 | 52 | 1300 | 1600 | 206 | 310 | 9.5 |
| QJ2936X1 | 180 | 260 | 42 | 1300 | 1600 | 206 | 310 | 7.7 |
| QJ1036 | 180 | 280 | 46 | 1200 | 1500 | 231 | 359 | 11 |
| QJ236 | 180 | 320 | 52 | 1050 | 1300 | 334 | 530 | 19 |
| QJ3938X3 | 190 | 269.5 | 55 | 1200 | 1500 | 216 | 340 | 10.5 |
| QJ1038 | 190 | 290 | 46 | 1100 | 1400 | 236 | 378 | 11.5 |
| QJ2940X2 | 200 | 280 | 51 | 1100 | 1400 | 216 | 340 | 10.2 |
| QJ3940X3 | 200 | 289.5 | 58 | 1100 | 1400 | 235 | 384 | 13.2 |
| QJ1040X1 | 200 | 309.5 | 42 | 1100 | 1400 | 294 | 473 | 15.4 |
| QJ1040 | 200 | 310 | 51 | 1000 | 1260 | 280 | 455 | 14.9 |
| QJ240 | 200 | 360 | 58 | 800 | 1100 | 390 | 656 | 27 |
| QJ3944 | 220 | 300 | 60 | 950 | 1250 | 221 | 364 | 13 |
| QJ3944X1 | 220 | 309.5 | 60 | 900 | 1200 | 246 | 412 | 14.8 |
| QJ1044 | 220 | 340 | 56 | 800 | 1100 | 300 | 503 | 19.6 |
| QJ3948X1 | 240 | 329.5 | 60 | 800 | 1100 | 256 | 444 | 16 |
| QJ1048 | 240 | 360 | 56 | 800 | 1100 | 335 | 611 | 21 |
| QJ1048X1-1 | 240 | 359.5 | 56 | 800 | 1100 | 335 | 611 | 21 |
| QJ2952X1 | 240 | 369.5 | 60 | 900 | 1200 | 313 | 585 | 22 |
| QJ1052 | 260 | 400 | 65 | 800 | 1100 | 320 | 793 | 31.3 |
| QJ1060 | 300 | 460 | 74 | 750 | 1000 | 512 | 985 | 47 |
| QJ1064X1 | 300 | 440 | 65 | 31 | ||||
| QJ1068 | 340 | 520 | 82 | 600 | 800 | 583 | 1330 | 66 |
| QJF1571 | 110 | 170 | 28 | 2400 | 3000 | 132 | 172 | 2.6 |
| QJF322 | 110 | 240 | 50 | 1800 | 2300 | 267 | 334 | 12.5 |
| QJF1571 | 120 | 180 | 28 | 2200 | 2800 | 108 | 145 | 2.6 |
| QJF224 | 120 | 215 | 40 | 1900 | 2400 | 210 | 260 | 6.9 |
| QJF1026 | 130 | 200 | 33 | 1900 | 2400 | 135 | 185 | 4 |
| QJF226 | 130 | 230 | 40 | 1900 | 2400 | 245 | 278 | 7.5 |
| QJF326 | 130 | 280 | 58 | 1400 | 1800 | 310 | 420 | 18.6 |
| QJF1571X1 | 140 | 209.5 | 33 | 1750 | 2250 | 138 | 195 | 4.2 |
| QJF1571 | 140 | 210 | 33 | 1750 | 2250 | 138 | 195 | 4.2 |
| QJF1571X2 | 140 | 210 | 35 | 1750 | 2250 | 138 | 195 | 4.5 |
| QJF1030X1 | 150 | 224.5 | 35 | 1600 | 2100 | 175 | 245 | 5.1 |
| QJF1030 | 150 | 225 | 35 | 1600 | 2100 | 175 | 245 | 5.1 |
| QJF230 | 150 | 270 | 45 | 1350 | 1750 | 258 | 369 | 11.8 |
| QJF330 | 150 | 320 | 65 | 1150 | 1450 | 365 | 533 | 27 |
| QJF1032X1 | 160 | 239.5 | 38 | 1450 | 1850 | 181 | 264 | 6.3 |
| QJF1032 | 160 | 240 | 38 | 1450 | 1850 | 181 | 264 | 6.3 |
| QJF232 | 160 | 290 | 48 | 1200 | 1550 | 282 | 414 | 14.6 |
| QJF1034X1 | 170 | 259.5 | 42 | 1300 | 1600 | 226 | 333 | 8.5 |
| QJF1034 | 170 | 260 | 42 | 1300 | 1600 | 226 | 333 | 8.5 |
| QJF234 | 170 | 310 | 52 | 1000 | 1400 | 310 | 480 | 18.2 |
| QJF3936X1 | 180 | 259.5 | 52 | 1300 | 1600 | 206 | 310 | 9.5 |
| QJF2936X1 | 180 | 260 | 42 | 1300 | 1600 | 206 | 310 | 8 |
| QJF1036 | 180 | 280 | 46 | 1200 | 1500 | 231 | 359 | 11 |
| QJF236 | 180 | 320 | 52 | 1050 | 1300 | 334 | 530 | 19 |
| QJF3938X3 | 190 | 269.5 | 55 | 1200 | 1500 | 216 | 340 | 10.5 |
| QJF1038X1 | 190 | 289.5 | 46 | 1100 | 1400 | 236 | 378 | 11.5 |
| QJF1038 | 190 | 290 | 46 | 1100 | 1200 | 236 | 378 | 11.5 |
| QJF238 | 190 | 340 | 55 | 900 | 1400 | 347 | 569 | 39 |
| QJF2940X2 | 200 | 280 | 51 | 1100 | 1400 | 216 | 340 | 10.2 |
| QJF3940X3 | 200 | 289.5 | 58 | 1100 | 1400 | 235 | 384 | 13.2 |
| QJF1040 | 200 | 310 | 51 | 1000 | 1260 | 280 | 455 | 14.9 |
| QJF240 | 200 | 360 | 58 | 800 | 1100 | 390 | 656 | 27 |
| QJF3944X1 | 220 | 309.5 | 60 | 900 | 1200 | 246 | 412 | 14.8 |
| QJF1044 | 220 | 340 | 56 | 800 | 1100 | 300 | 503 | 19.6 |
| QJF3948X1 | 240 | 329.5 | 60 | 800 | 1100 | 256 | 444 | 16 |
| QJF3948X1-1 | 240 | 340 | 60 | 800 | 1100 | 271 | 477 | 17.6 |
| QJF1048 | 240 | 360 | 56 | 800 | 1100 | 335 | 611 | 21 |
| QJF2952X3 | 260 | 359.5 | 65 | 900 | 1200 | 281 | 513 | 21 |
| QJF2952X1 | 260 | 369.5 | 60 | 900 | 1200 | 313 | 585 | 22 |
| QJF2952X1-1 | 260 | 374.5 | 60 | 900 | 1200 | 313 | 585 | 23 |
| QJF1052 | 260 | 400 | 65 | 800 | 1100 | 320 | 793 | 31.3 |
| QJF2956X3 | 280 | 375 | 65 | 800 | 1100 | 250 | 536 | 21 |
| QJF2956X3-1 | 280 | 389.5 | 65 | 800 | 1100 | 325 | 628 | 25 |
| QJF1056 | 280 | 420 | 65 | 750 | 1000 | 406 | 802 | 33.2 |
| QJF2960X2 | 300 | 420 | 65 | 750 | 1000 | 370 | 755 | 29.3 |
| QJF1060 | 300 | 460 | 74 | 750 | 1000 | 512 | 985 | 47 |
| QJF1064X1 | 320 | 440 | 65 | 31 | ||||
| QJF1064 | 320 | 480 | 74 | 650 | 900 | 499 | 1090 | 49.5 |
| QJF1068X3 | 340 | 500 | 80 | 600 | 800 | 404 | 705 | 53.6 |
| QJF1068 | 340 | 520 | 82 | 600 | 800 | 583 | 1330 | 66 |
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 40 |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
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. |
|---|
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.
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 2024-04-11
China wholesaler Radial Rulman Gcr15 SUS440 95cr18 SUS420 7200 7201 7202 7203 7204 7205 7206 2RS Zz Bm B AC C Precision Single Row / Double Row Angular Contact Ball Bearings. bearing block
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards accoding to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
| Subject | Symbol | Description |
| Sealing & Sealing type | Z | Metal shield on 1 side. |
| ZZ | Metal shields on both sides. | |
| RS | Rubber seal on 1 side. | |
| 2RS | Rubber seals on both sides. | |
| ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
| 2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
| ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
| Cage Materials | J | Pressed steel cages |
| M | Solid brass cage | |
| F | Solid cage made from steel or iron | |
| Y | Pressed brass cages. | |
| T | Laminated phenolic cages. | |
| TN | Polyamide cages | |
| TH | Glass-fiber reinforced phenolic resin cages. | |
| TV | Polyamide cage | |
| Cage Designs | P | Window-type cage |
| H | Claw-type cage | |
| A | Cage guided on the bearing outer ring | |
| B | Cage-guided on the bearing inner ring | |
| S | Cage with lubricating slots in the guiding surfaces | |
| D | Carbonitriding cage | |
| W | Welded cage | |
| R | Riveted Cage | |
| Cage Types | N/A | Claw-type cage |
| Ribbon cage | ||
| Crown cage | ||
| Sunflower cage | ||
| Tapered cage | ||
| Tolerances | PN(P0) | Bearings in standard tolerance |
| P6 | Tighter tolerance than standard bearings | |
| P5 | Tolerance tighter than P6 | |
| P4 | Tolerance tighter than P5 | |
| P2 | Tolerance tighter than P4 | |
| Contact Angle | C | Contact angle 15˚. |
| AC | Contact angle 25˚. | |
| CA | Contact angle 20˚. | |
| E | Contact angle 35˚. | |
| B | Contact angle 40˚. | |
| Bearing Sets | DB | Two bearings: back-to-back. |
| DF | Two bearings: face-to-face. | |
| DT | Two bearings: in tandem. | |
| TBT | Three bearings: tandem and back-to-back. | |
| TFT | Three bearings: tandem and face-to-face. | |
| QFC | Four bearings: tandem and face-to-face. | |
| DB | Two bearings: back-to-back. | |
| DF | Two bearings: face-to-face. |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
| Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
| Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
| 7200C | 10 | 30 | 9 | 18000 | 26000 | 5.81 | 2.93 | 0.032 |
| 7200AC | 10 | 30 | 9 | 18000 | 26000 | 5.5 | 2.85 | 0.032 |
| 7200B | 10 | 30 | 9 | 16000 | 25000 | 5.3 | 2.7 | 0.032 |
| 7201C | 12 | 32 | 10 | 17000 | 24000 | 7.3 | 3.4 | 0.039 |
| 7201AC | 12 | 32 | 10 | 17000 | 24000 | 7.09 | 3.3 | 0.039 |
| 7201B | 12 | 32 | 10 | 15000 | 23000 | 6.9 | 3.2 | 0.039 |
| 7202C | 15 | 35 | 11 | 16000 | 22000 | 8.6 | 4.5 | 0.048 |
| 7202AC | 15 | 35 | 11 | 16000 | 22000 | 8.3 | 4.3 | 0.048 |
| 7202B | 15 | 35 | 11 | 15000 | 21000 | 7.9 | 4.2 | 0.048 |
| 7203C | 17 | 40 | 12 | 15000 | 20000 | 10.8 | 6.1 | 0.069 |
| 7203AC | 17 | 40 | 12 | 15000 | 20000 | 10.5 | 5.6 | 0.069 |
| 7203B | 17 | 40 | 12 | 14000 | 19000 | 9.9 | 5.5 | 0.069 |
| 7204C | 20 | 47 | 14 | 13000 | 18000 | 15.5 | 8.9 | 0.110 |
| 7204AC | 20 | 47 | 14 | 13000 | 18000 | 15 | 8.5 | 0.110 |
| 7204B | 20 | 47 | 14 | 12000 | 16000 | 13.4 | 7.6 | 0.110 |
| 7205C | 25 | 52 | 15 | 11000 | 16000 | 16.5 | 10 | 0.130 |
| 7205AC | 25 | 52 | 15 | 11000 | 16000 | 15.8 | 9.7 | 0.130 |
| 7205B | 25 | 52 | 15 | 10000 | 14000 | 14.8 | 9.3 | 0.130 |
| 7206C | 30 | 62 | 16 | 9000 | 13000 | 23 | 14.7 | 0.217 |
| 7206AC | 30 | 62 | 16 | 9000 | 13000 | 22.1 | 13.5 | 0.217 |
| 7206B | 30 | 62 | 16 | 8500 | 12000 | 20.5 | 13.5 | 0.217 |
| 7207C | 35 | 72 | 17 | 8000 | 11000 | 30.3 | 20 | 0.313 |
| 7207AC | 35 | 72 | 17 | 8000 | 11000 | 29.2 | 18 | 0.313 |
| 7207B | 35 | 72 | 17 | 7500 | 10000 | 28.3 | 14.8 | 0.313 |
| 7208C | 40 | 80 | 18 | 7500 | 10000 | 38.4 | 26.3 | 0.402 |
| 7208AC | 40 | 80 | 18 | 7500 | 10000 | 36.8 | 25.4 | 0.402 |
| 7208B | 40 | 80 | 18 | 6700 | 9000 | 34.5 | 23.8 | 0.402 |
| 7209C | 45 | 85 | 19 | 6700 | 9000 | 40.4 | 29.3 | 0.460 |
| 7209AC | 45 | 85 | 19 | 6700 | 9000 | 38.6 | 28.1 | 0.460 |
| 7209B | 45 | 85 | 19 | 6300 | 8500 | 34 | 24.6 | 0.460 |
| 7210C | 50 | 90 | 20 | 6300 | 8500 | 42.8 | 31.3 | 0.510 |
| 7210AC | 50 | 90 | 20 | 6300 | 8500 | 40.8 | 30.1 | 0.510 |
| 7210B | 50 | 90 | 20 | 5600 | 8000 | 40.4 | 25.6 | 0.510 |
| 7211C | 55 | 100 | 21 | 5600 | 7000 | 53.2 | 39.9 | 0.680 |
| 7211AC | 55 | 100 | 21 | 5600 | 7000 | 50.8 | 38.2 | 0.680 |
| 7211B | 55 | 100 | 21 | 5300 | 7000 | 46.3 | 36 | 0.680 |
| 7212C | 60 | 110 | 22 | 5300 | 7000 | 61 | 48.2 | 1.571 |
| 7212AC | 60 | 110 | 22 | 5300 | 7000 | 58.1 | 46 | 1.571 |
| 7212B | 60 | 110 | 22 | 4800 | 6300 | 56.1 | 44.3 | 1.571 |
| 7213C | 65 | 120 | 23 | 4800 | 6300 | 69.8 | 54.4 | 1.090 |
| 7213AC | 65 | 120 | 23 | 4800 | 6300 | 66.6 | 52.1 | 1.090 |
| 7213B | 65 | 120 | 23 | 4300 | 6000 | 65.7 | 50.2 | 1.090 |
| 7214C | 70 | 125 | 24 | 4500 | 5800 | 72.8 | 59.7 | 1.180 |
| 7214AC | 70 | 125 | 24 | 4500 | 5800 | 69.4 | 57 | 1.180 |
| 7214B | 70 | 125 | 24 | 4000 | 5600 | 70.4 | 56.3 | 1.180 |
| 7215C | 75 | 130 | 25 | 4300 | 5600 | 79.2 | 65.6 | 1.320 |
| 7215AC | 75 | 130 | 25 | 4300 | 5600 | 75.3 | 62.8 | 1.320 |
| 7215B | 75 | 130 | 25 | 3800 | 5300 | 68.6 | 58.2 | 1.320 |
| 7216C | 80 | 140 | 26 | 4000 | 5300 | 92.5 | 66.2 | 1.570 |
| 7216AC | 80 | 140 | 26 | 4000 | 5300 | 91.3 | 65.1 | 1.570 |
| 7216B | 80 | 140 | 26 | 4000 | 5300 | 78.7 | 65.7 | 1.570 |
| 7217C | 85 | 150 | 28 | 3800 | 5000 | 99.7 | 84.6 | 2.571 |
| 7217AC | 85 | 150 | 28 | 3800 | 5000 | 94.9 | 80.8 | 2.571 |
| 7217B | 85 | 150 | 28 | 3600 | 4800 | 83.2 | 74.1 | 2.571 |
| 7218C | 90 | 160 | 30 | 3600 | 4800 | 128 | 111.7 | 2.470 |
| 7218AC | 90 | 160 | 30 | 3600 | 4800 | 122 | 106.5 | 2.470 |
| 7218B | 90 | 160 | 30 | 3200 | 4300 | 107.6 | 92.4 | 2.470 |
| 7219C | 95 | 170 | 32 | 3400 | 4500 | 134.6 | 112.2 | 3.571 |
| 7219AC | 95 | 170 | 32 | 3400 | 4500 | 128.4 | 107.8 | 3.571 |
| 7219B | 95 | 170 | 32 | 3000 | 4000 | 121.4 | 106.7 | 3.571 |
| 7220C | 100 | 180 | 34 | 3200 | 4300 | 148 | 125 | 3.620 |
| 7220AC | 100 | 180 | 34 | 3200 | 4300 | 142 | 120.6 | 3.620 |
| 7220B | 100 | 180 | 34 | 2800 | 3800 | 140 | 102.5 | 3.620 |
| 7221C | 105 | 190 | 36 | 3000 | 4000 | 166.6 | 138.6 | 4.290 |
| 7221AC | 105 | 190 | 36 | 3000 | 4000 | 159 | 135.1 | 4.290 |
| 7221B | 105 | 190 | 36 | 2800 | 3800 | 143.3 | 128.5 | 4.290 |
| 7222C | 110 | 200 | 38 | 2800 | 3800 | 184.7 | 154.8 | 5.030 |
| 7222AC | 110 | 200 | 38 | 2800 | 3800 | 176.3 | 151.2 | 5.030 |
| 7222B | 110 | 200 | 38 | 2400 | 3400 | 153.8 | 144.3 | 5.030 |
| 7224C | 120 | 215 | 40 | 2400 | 3400 | 203.1 | 178.4 | 7.080 |
| 7224AC | 120 | 215 | 40 | 2400 | 3400 | 193.6 | 170.9 | 7.080 |
| 7224B | 120 | 215 | 40 | 2200 | 3200 | 165.4 | 161.4 | 7.080 |
| 7226C | 130 | 230 | 40 | 2000 | 3000 | 206.6 | 209.2 | 8.100 |
| 7226AC | 130 | 230 | 40 | 2000 | 3000 | 196.4 | 200.1 | 8.100 |
| 7226B | 130 | 230 | 40 | 1800 | 2800 | 170.8 | 174.2 | 8.100 |
| 7228C | 140 | 250 | 42 | 2000 | 2800 | 227.2 | 238.3 | 9.950 |
| 7228AC | 140 | 250 | 42 | 2000 | 2800 | 216.9 | 227.4 | 9.950 |
| 7228B | 140 | 250 | 42 | 1800 | 2600 | 212.2 | 197.3 | 9.950 |
| 7232AC | 160 | 290 | 48 | 1700 | 2400 | 250 | 288 | 15.49 |
| 7234AC | 170 | 310 | 52 | 1600 | 2200 | 281 | 341 | 19.69 |
| 7236AC | 180 | 320 | 52 | 2200 | 2700 | 293 | 362 | 20.26 |
| 7238AC | 190 | 340 | 55 | 2000 | 2500 | 303 | 390 | 24.31 |
| 7240AC | 200 | 360 | 58 | 1300 | 1800 | 343 | 449 | 28.82 |
| 7244AC | 220 | 400 | 65 | 1100 | 1600 | 358 | 482 | 33.60 |
| 7248AC | 240 | 440 | 72 | 1500 | 1800 | 403 | 595 | 51.8 |
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 40 |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample |
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| 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. |
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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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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 Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
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 2024-04-03
China supplier Gcr15 6202 6206 6208 6210 6215 6214 6203 2RS Zz Single Row Steel Ball Bearing Price List Car Bearing with Great quality
Product Description
Specification
The type of deep groove ball Bearing 62 series component materials used in automobile, tractor, machinery, motor, water pump, agricultural machinery and textile machinery. Its wide application, simple design, non – separation, suitable for high – speed, reliable operation, low maintenance costs.The tight consistency between deep raceway and groove and ball enables deep raceway ball bearings to withstand axial loads in both directions in addition to radial loads.
Product Parameters
Application
1. Automatic controlling machine
2. Semi-conductor industry
3. General industry machinery
4. Medical equipment
5. Solar energy equipment
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment, etc.
Packaging & Shipping
| Packaging Detail | 1.Industrial Exporting Package 2. Individual plastic/Carton/pallet 3. As the customers’ requirements |
| Delivery Detail | 30-45 days for normal order |
About us
HangZhou Kent bearing company was established in 2, 63192752
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| 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.
Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.
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 2024-01-03
China wholesaler 1688 CZPT CZPT Clutch Release/Engine Gear/Nylon Roller/Plain/Plastic/Slewing/Tapered Roller/Ball Bearing Price Gcr15 Steel 32216 manufacturer
Product Description
Product Description
Tapered roller bearings are separable bearings. Both the inner and outer rings of the bearing have tapered raceways. This type
of bearing is divided into single row, double row and 4 row tapered roller bearings according to the number of rows installed.
Tapered roller bearings are mainly subjected to combined radial and axial loads based on the radial direction. Tapered roller
bearings are widely used in industries such as automobiles, rolling mills, mining, metallurgy, and plastic machinery.Tapered roller
bearings are separable bearings. Both the inner and outer rings of the bearing have tapered raceways. This type of bearing is divided
into single row, double row and 4 row tapered roller bearings according to the number of rows installed.Tapered roller bearings are
widely used in industries such as automobiles, rolling mills, mining, metallurgy, and plastic machinery.
A wide range of applications:
• agriculture and forestry equipment
• automotive and industrial gearboxes
• automotive and truck electric components, such as alternators
• electric motors
• fluid machinery
• material handling
• power tools and household appliances
• textile machinery
• two Wheeler.
Our Bearing Advantage:
1.Free Sample bearing
2.ISO Standard
3.Bearing Small order accepted
4.In Stock bearing
5.OEM bearing service
6.Professional:16 years manufacture bearing
7.Customized bearing, Customer’s bearing drawing or samples accepted
8.Competitive price bearing
9.TT Payment or Western Union or Trade Assurance Order
| Product Name | Taper roller bearing | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Brand Name | HCSZ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Seals Type | OPEN | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material | Chrome Steel ,Stainless steel,Ceramic,Nylon | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Clearance | C0,C2,C3,C4,C5 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Precision Grade | P0,P6,P5,P4,P2(ABEC1, ABEC3, ABEC5, ABEC7, ABEC9) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Greese | SRL ,PS2, Alvania R12 ,etc | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of Row | Single Row | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Certifications | ISO 9 sets. 3).Our tech and service team was very powerful and professional. 4).We have our own brand “HCSZ”. 5).Custom-design is available.( non-standard model) Company Profile ZheJiang Hangshuo Bearing Co., Ltd. is an enterprise integrating production and sales. The company is mainly engaged in the production and export of bearings and mechanical spare parts. The company has professional high-tech talents, excellent sales team, professional service engineers, and wins the competition with “lowest cost, highest quality, most complete specifications, and largest scale”. Companies adhering to the “production specialization, product differentiation” business ideas, process design, product processing, internal and external packaging, finished product delivery and domestic and foreign transportation are strictly in accordance with the ISO9001 quality system standard standardized operation. The company has always adhered to the principle of “survive by quality, seek benefit by management, and seek development by service”, strictly control product quality, enrich product categories, and improve after-sales service, which has won high praise from domestic and foreign customers. The company strives to build brand products. At present, ZheJiang Hangshuo HCSZ is favored by most national distributors for its standardization, unification and specialization. Certificates FAQ Q : Why choose us ? b.Strict Inspection ,and the best quality price with reasonable price bearings provided . c.OEM service provided. d. Delivery products from our factory warehouse , delivery time is short . e. After sale service at any time . Q: What kind of bearing you producted ? A:main products are deep groove ball bearing , spherical roller bearings , tapered roller bearing ,thrust ball bearing ,others could be special made for you . Q:What brand you could provided ? Q:Your product certifications ?
Our service ♥1.Your inquiry will be reply within 2 hours. ♥2.Fast delivery,within 14 working days. ♥3.Packing: you will receive a Perfect product with strong outside packing. ♥4.With advanced first-level facilities and testing equipment,to insure no mistake on the dimension of the bearings. ♥5.No M.O.Q, Because we are manufacturer. ♥6.24 hours on line,no limited to talk to us. ♥7.Return Policy:We gladly accept returns for item purchased within a 30 day period, provided it is still in the original package, not used nor damaged. ♥8.Warranty Claims :The Warranty covers any Defect of the product for a period of 12 months. It does not cover items that are not correctly installed or over tightened which may cause premature failure. Installation or any other fee’s are not refundable.
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:
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.
Consider the rotational speed 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:
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.
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.
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.
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.
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.
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.
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.
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
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.
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. 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.
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.
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
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.
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
Choose a bearing wi What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions. Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications. th 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.
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.
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.
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.
China Professional bearing factory Customizable GCr15 UCFU209 UCFU208 UCFU207 UCFU206 UCFU205 UCFU204Pillow Block Ball Bearings drive shaft bearingVariety: Pillow Block, Pillow Block Beairng
Advantages and disadvantages of different types of bushingsBushings are a simple but essential part of machinery with sliding or rotating shaft assemblies. This type of bearing is used in a wide variety of industries because its high load-carrying capacity and excellent anti-friction properties make it a necessity for construction, mining, hydropower, transportation and agricultural machinery. In addition to these applications, bushings also play a vital role in material handling and food processing. This article explores the various types of bushings available. air casingThe air bushing forms a frictionless cylinder that applies the load to the rotating object. Bushings are used to measure torque and provide self-centering force in applications where linear motion is critical. The following are load equations that can be used to select the appropriate air sleeve for your application. To learn more about these air sleeves, read on. This article discusses the benefits and uses of air bushings in linear motion. rubber bushingIf you’re looking to buy a new suspension system, you may be wondering if rubber or polyurethane is the right choice. Rubber is less expensive, but not without its drawbacks. Polyurethane is more durable and offers better handling and suspension. Rubber bushings also reduce road feel, while polyurethane isolates the driver from the road. Both materials will help you improve handling and alignment, but each has advantages and disadvantages. Polyurethane bushingIf you want to make your vehicle handle better, polyurethane bushings may be the answer. They come in different shapes and sizes and can improve a wide range of areas. This article will explore the advantages and disadvantages of polyurethane bushings and their potential place in your car. However, before you decide to upgrade your suspension, you should understand the various advantages and disadvantages of polyurethane bushings. bronze bushingThere are two main types of bronze bushings, sintered and cast. The latter require additional lubrication and are typically used in applications where powder metal products cannot be secured. The former is cheaper than the latter, but the process is more expensive. Bronze bushings can be used in environments where the material will be exposed to high temperature and vibration. For these reasons, the production process is relatively slow and expensive. Plastic bushingEngineered composite plastic bushings have been shown to last longer than bronze bushings and have also been found to reduce maintenance costs by up to 40%. Plastic bushings have become the first choice for thousands of applications, including medical equipment, food processing machinery, pumps, and more. Bronze bushings are oil-impregnated, but their performance is limited by their inherent weaknesses: oil-impregnated bronze tends to develop high levels of capillary action and requires rotational motion to maintain an intact oil film. Low speed and intermittent use of bronze bushings can also hinder the ability of the lubricant to provide adequate lubrication. Sleeve bearingSleeve bearings are simple pipes with matching components. They facilitate linear motion by absorbing friction and vibration. They can withstand heavy loads and work at high temperatures for long periods of time. Flange bearings are similar to sleeve bearings, but are enclosed and rotated in a housing unit. Sleeve bearings have higher load-carrying capacity and resistance to shock loads. Furthermore, they are lightweight and low cost.
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