Product Description
Material: Chrome Steel / Stainless Steel / Carbon Steel / Ceramic / POM
OEM Service: Custom bearing’s size, logo, packing.
Certificate: CE
What is small bearing?
Miniature and small-sized ball bearing mean ball bearing, up to 30mm in external diameter. Miniature and small bearings are used for extremely high speeds. These bearings offer a low level of noise, vibration, and frictional torque performance. Miniature and extra-small ball bearings can be sealed by shields or rubber seals to prevent leakage of lubricating grease or entry of dust.
What are tiny ball bearings used for?
Bearing Basics applications, miniature precision bearings help reduce friction between parts that need to move independently while effectively saving space in tight applications, such as medical, instrumentation and semiconductor equipment. The balls are available in a range of sizes to meet specific project needs.
Where is miniature ball bearings be used? Ball bearings are the most common bearing type and can be found in many every day objects, such skateboards, blenders, bicycles, DVD players and photocopiers. Small wheel bearings are also frequently be used for window and door rollers.This type of bearing is typically used in applications which have a high speed and a low load.
About HXHV Small Ball Bearings
The micro bearing dimeension are usually standard as the table below.
But sometimes buyer need the non-standard bearings with custom small bearing size or micro blue bearing.
We supply OEM SERVICE and produce these non-standard bearings with customized size, logo and packing.
miniature plastic ball bearing series:
603 3*9*3mm , 604 4*12*4mm , 605 5*14*5mm , 606 6*17*6mm , 607 7*19*6mm , 608 8*22*7mm , 609 9*24*7mm , 623 3*10*4mm , 624 4*13*5mm 625 5*16*5mm , 626 6*19*6mm ,627 7*22*7mm , 628 8*24*8mm , 629 9*26*8mm , 633 3*13*5mm , 634 6*16*5mm , 635 5*19*6mm.
CE CERTIFICATE is very important for european market. And we supply CE certification for our bearings.
As for the mini ball bearing material, the inner ring, outside ring, balls and retainer are usually be made of carbon steel, chrome steel or stainless steel. Sometimes the retainer can be made of nylon. The bearings are also be made of special material such as black ceramic Si3N4, White Ceramic ZrO2, and PTFE, PEEK retainers. Sometimes we make the mini bearing with plastic POM rings and glass balls.
The micro ball bearings price will be different because of the bearing’s model number, order quantity, precision range, brand and packing, etc.
If you need any original brand bearings or bearing with other dimension and model number, please contact us directly.
Please check the bearing’s size below.
Packing:
|
Universal Packing |
Without any logo on bearings or packing. |
|
HXHV Packing |
With our brand HXHV on bearings and packing. |
|
Customized Packing |
Depends on buyer’s requirements. |
|
Original Brand Packing |
Bearing and packing are both original. Please contact us for pictures. |
Certificate:
Our bearings comes with CE certificate and our company has been verified by SGS Group. Please contact us for clear certificate photos.
Other Bearings:
We supply different types of ball and roller bearings, slewing bearings, mini bearings, ceramic bearings, Linear guides.
To get price list of promotion bearings, please contact us. /* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | Standard |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Plastic |
| Samples: |
US$ 0.18/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
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 2024-05-15
China Professional Thrust Ball Bearing 51111 51112 51113 51114 Ceramic Thrust Bearing Stainless Steel/Chrome Steel with Best Sales
Product Description
|
Applicable Industries |
Automobile, motor, electrical appliance, machinery, furniture, toy, printer, engineering machinery, sewing machine, packaging |
|
Bore Size |
10mm – 360mm |
|
Model Number |
51120 |
|
Precision Rating |
P0 P6 P5 P4 P2 |
|
Seals Type |
Not sealed |
|
Number of Row |
Single Row |
|
Place of Origin |
China |
Company Profile
In order to meet the needs of the masses of customers and improve the market competitiveness of our company,
we can provide OEM service according to our customers′ Needs. We have gained ISO9001 certificate, CE certificate,
GOST certificate and SGS certificate. Our target is to carry out the strategic investment along with the development
of market and need of new products. With our strategic, excellent products, top technology and outstanding service,
we sincerely expect cooperation with more customers and friends for a better future. Our main products include
spherical roller bearing, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings, needle roller
bearings, ball bearing units, water pump bearings, automobile bearing, linear motion bearing, oil-less bearings,
bush and self-lubricating bearings, and non-standard bearings. Also, we supply bearings to our domestic peeling
machine factory and the machine exported to India, Malaysia and Russia, no any complaint from customer until now.
“zero defect, zero complaints” as the quality objective.
FAQ
Q: Are you trading company or manufacturer ?
A: We are a trading company specializing in exporting bearings.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the
goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge
Q.You provide free consultation service?
Yes, before, during and after order, anytime.
/* 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(/(.*?):(.*)$/))&&1
| Product Name: | Thrust Bearing |
|---|---|
| Characteristic: | High Precision |
| Advantage: | Large Bearing Capacity |
| Holder: | Copper and Iron Retainers |
| Quality: | High Quality |
| Rolling Body: | Roller Bearings |
| Samples: |
US$ 5/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.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What 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 2024-05-14
China high quality Good Quality Motor / Motorcycle / Automobile / Instrument Bearing 1307 Self-Aligning Ball Bearing 35X80X21mm with Best Sales
Product Description
Product Description
Self-aligning ball bearings are double row, self-retaining units comprising solid outer rings with a concave raceway, inner rings with a cylindrical or tapered bore and ball and cage assemblies. The bearings are available in open and sealed versions.
Constructed with the inner ring and ball assembly contained within an outer ring which has a spherical raceway for self aligning this type of bearing is particularly suitable for applications where misalignment occurs from errors in mounting or from shaft deflection.
| Dimensions(mm) | Basic Load Rating(N) | Weight | ||||
| Bearing Number | d | D | B | Dyn.C | Stat.C0 | kg |
| 1200 | 10 | 30 | 9 | 5480 | 1200 | 0.034 |
| 1201 | 12 | 32 | 10 | 5550 | 1250 | 0.04 |
| 1202 | 15 | 35 | 11 | 7480 | 1750 | 0.049 |
| 1203 | 17 | 40 | 12 | 7900 | 2571 | 0.073 |
| 1204 | 20 | 47 | 14 | 9950 | 2650 | 0.116 |
| 1205 | 25 | 52 | 15 | 12000 | 3300 | 0.14 |
| 1206 | 30 | 62 | 16 | 15800 | 4700 | 0.22 |
| 1207 | 35 | 72 | 17 | 15800 | 5080 | 0.32 |
| 1208 | 40 | 80 | 18 | 19200 | 6400 | 0.415 |
| 1209 | 45 | 85 | 19 | 21800 | 7320 | 0.465 |
| 1210 | 50 | 90 | 20 | 22800 | 8080 | 0.531 |
| 1211 | 55 | 100 | 21 | 26800 | 10000 | 0.705 |
| 1212 | 60 | 110 | 22 | 35710 | 11500 | 0.9 |
| 1213 | 65 | 120 | 23 | 31000 | 12500 | 1.15 |
| 1214 | 70 | 125 | 24 | 34500 | 13500 | 1.24 |
| 1215 | 75 | 130 | 25 | 38800 | 15200 | 1.39 |
| 1216 | 80 | 140 | 26 | 39500 | 16800 | 1.7 |
| 1217 | 85 | 150 | 28 | 48800 | 20500 | 2.06 |
| 1218 | 90 | 160 | 30 | 56500 | 23200 | 2.59 |
| 1219 | 95 | 170 | 32 | 63500 | 27000 | 3.1 |
| 1220 | 100 | 180 | 34 | 67400 | 28400 | 3.7 |
| 1224 | 120 | 215 | 42 | 117000 | 51000 | 6.77 |
| 1300 | 10 | 35 | 11 | 7220 | 1620 | 0.058 |
| 1301 | 12 | 37 | 12 | 9420 | 2120 | 0.067 |
| 1302 | 15 | 42 | 13 | 9500 | 2280 | 0.094 |
| 1303 | 17 | 47 | 14 | 12500 | 3180 | 0.13 |
| 1304 | 20 | 52 | 15 | 12500 | 3380 | 0.165 |
| 1305 | 25 | 62 | 17 | 17800 | 5050 | 0.255 |
| 1306 | 30 | 72 | 19 | 21500 | 6280 | 0.385 |
| 1307 | 35 | 80 | 21 | 25000 | 7950 | 0.51 |
| 1308 | 40 | 90 | 23 | 29500 | 9500 | 0.715 |
| 1309 | 45 | 100 | 25 | 38000 | 12800 | 0.955 |
| 1310 | 50 | 110 | 27 | 43200 | 14200 | 1.2 |
| 1311 | 55 | 120 | 29 | 51500 | 18200 | 1.6 |
| 1312 | 60 | 130 | 31 | 57200 | 21200 | 1.95 |
| 1313 | 65 | 140 | 33 | 61800 | 22800 | 2.42 |
| 1314 | 70 | 150 | 35 | 74500 | 27500 | 3 |
| 1315 | 75 | 160 | 37 | 79000 | 29800 | 3.55 |
| 1316 | 80 | 170 | 39 | 86700 | 31400 | 4.17 |
| 1317 | 85 | 180 | 41 | 97800 | 37800 | 5 |
| 1318 | 90 | 190 | 43 | 115000 | 42000 | 5.8 |
| 1318 | 90 | 190 | 43 | 115000 | 42000 | 5.8 |
| 1319 | 95 | 200 | 45 | 132000 | 50800 | 6.7 |
| 1320 | 100 | 215 | 47 | 141000 | 55000 | 8.3 |
| 1322 | 110 | 240 | 50 | 161000 | 70000 | 12 |
| 2200 | 10 | 30 | 14 | 8000 | 1800 | 0.048 |
| 2201 | 12 | 32 | 14 | 8400 | 1900 | 0.052 |
| 2202 | 15 | 35 | 14 | 8600 | 2000 | 0.056 |
| 2203 | 17 | 40 | 16 | 10400 | 2500 | 0.087 |
| 2204 | 20 | 47 | 18 | 16400 | 4100 | 0.13 |
| 2205 | 25 | 52 | 18 | 15200 | 3900 | 0.16 |
| 2206 | 30 | 62 | 20 | 15200 | 4600 | 0.26 |
| 2207 | 35 | 72 | 23 | 21800 | 6650 | 0.405 |
| 2208 | 40 | 80 | 23 | 22500 | 7380 | 0.505 |
| 2209 | 45 | 85 | 23 | 23200 | 8000 | 0.54 |
| 2210 | 50 | 90 | 23 | 23200 | 8450 | 0.58 |
| 2211 | 55 | 100 | 25 | 26800 | 9950 | 0.8 |
| 2212 | 60 | 110 | 28 | 34000 | 12500 | 1.09 |
| 2213 | 65 | 120 | 31 | 43500 | 16200 | 1.45 |
| 2214 | 70 | 125 | 31 | 44000 | 17000 | 1.5 |
| 2215 | 75 | 130 | 31 | 44200 | 18000 | 1.6 |
| 2216 | 80 | 140 | 33 | 48800 | 25710 | 2.15 |
| 2217 | 85 | 150 | 36 | 58200 | 23500 | 2.67 |
| 2218 | 90 | 160 | 40 | 70000 | 28500 | 3.37 |
| 2220 | 100 | 180 | 46 | 97200 | 40500 | 4.94 |
| 2300 | 10 | 35 | 17 | 10000 | 2100 | 0.08 |
| 2301 | 12 | 37 | 17 | 11400 | 2600 | 0.091 |
| 2302 | 15 | 42 | 17 | 11800 | 2800 | 0.108 |
| 2303 | 17 | 47 | 19 | 14300 | 3500 | 0.168 |
| 2304 | 20 | 52 | 21 | 17800 | 4750 | 0.21 |
| 2305 | 25 | 62 | 24 | 24500 | 6480 | 0.335 |
| 2306 | 30 | 72 | 27 | 31500 | 8680 | 0.5 |
| 2307 | 35 | 80 | 31 | 39200 | 11000 | 0.675 |
| 2308 | 40 | 90 | 33 | 44800 | 13200 | 0.925 |
| 2309 | 45 | 100 | 36 | 55000 | 16200 | 1.23 |
| 2310 | 50 | 110 | 40 | 64500 | 19800 | 1.63 |
| 2311 | 55 | 120 | 43 | 75200 | 23500 | 2.09 |
| 2312 | 60 | 130 | 46 | 86800 | 27500 | 2.6 |
| 2313 | 65 | 140 | 48 | 96000 | 32500 | 3.2 |
| 2314 | 70 | 150 | 51 | 110000 | 37500 | 3.92 |
| 2315 | 75 | 160 | 55 | 122000 | 42800 | 4.78 |
| 2316 | 80 | 170 | 58 | 128000 | 45500 | 5.65 |
Features of self-aligning ball bearings:
APPLICATION
Applied in heavy loading and impact loading, such as precision instruments, low noise machine, automobile, motorcycle, metallurgy, rolling mill, mine, petroleum, paper making, cement, the sugar industry and etc. Self-Aligning Ball Bearings are used for commercial ground shafting applications.
Packaging & Shipping
Please contact us for more pictures of different packing.
|
Universal Packing |
Without any logo on bearings or packing. |
|
JDZ Packing |
With our brand JDZ on bearings and packing. |
|
Customized Packing |
Depends on buyer’s requirements. |
|
Original Brand Packing |
Bearing and packing are both original. Please contact us for pictures. |
QUALITY ASSURANCE
100% Quality inspection to ensure the bearings are with good quality before shipping.
Company Profile
ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China.
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments.
We can provide all types bearings and OEM service according to customers’ requirements.
Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.
We are a trusted and reliable bearing supplier, choose us to be your good partner!
Our Advantages:
1. Professional production team with advanced production equipment and testing instruments.
2. Many years of export experience can provide customers with better service and problem-solving capabilities.
3. Customers all over the world enable us to better understand the market and provide customers with suitable bearings.
4. Sincerity, cooperation, mutual and provide good quality bearings for clients are the development idea of our company.
5. Quick delivery, shipping goods on time. Save more time and cost for all customers.
More choices
RFQ:
1. Q: Are you trading company or manufacturer ?
A: We have our own factory , our type is factory + trade.
2. Q: Could you accept OEM and customize?
A: Yes, we can customize products according to your sample or drawing.
3. Q: How long is your delivery time?
A: If stock, within 7 days to ship or based on your order quantity.
4. Q: Could you supply sample for free?
A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?
More details, please contact with us. Thanks for your time!
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Bearing Type: | Self-Aligning Ball Bearing |
|---|---|
| Number of Row: | Double Row |
| Hardness: | 58-62 HRC |
| Chamfer: | Light Chamfer or Black Chamfer |
| Precision Rating: | P0 P6 P5 P4 P2 |
| Bearing Cage: | Nylon / Steel / Brass Cage |
| Samples: |
US$ 1/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What 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 2024-05-10
China Best Sales CZPT Angular Ball Bearing 7001c 7002c 7003c 7004c 7005c 7006c 7007c 7008c connecting rod bearing
Product Description
Nsk Angular ball bearing 7001c 7002c 7003c 7004c 7005c 7006c 7007c 7008c
Quick Details
| Structure: | Angular Contact | Type: | Ball | Brand Name: | YD |
| Bore Size: | 75 mm | Outside Diameter: | 110 mm | Model Number: | BS75110TN1 |
| Precision Rating: | P0 P6 P5 P4 P2 | Seals Type: | Open or Sealed | Number of Row: | Single Row |
| Place of Origin: | ZheJiang China (Mainland) | Material: | Bearing steel Gcr15 and Carbon steel | Cage material: | Nylon |
| Certificate: | ISO 9001;2000 | Stock: | Available | Weight: | 0.75kg |
| Service: | OEM |
Deep groove ball bearing is the most common type of rolling bearing. The basic type of deep groove ball bearing consists of an outer ring, an inner ring, a steel ball and a group of cage. There are 2 kinds of single and double row deep groove ball bearing type, deep groove ball structure also seal and open structure, open is refers to the bearings without sealing structure, sealing type deep groove ball for sealing and dustproof and anti oil seal. The dust cover material is pressed by the steel plate, and only the dust entering the bearing roller can only play a simple way. Anti oil type for the contact type oil seal, can effectively prevent the grease inside the bearing overflow.
Deep groove ball bearing type code 6, code 4 double row deep groove ball bearing. Its structure is simple, easy to use, is the production of the most common, the most widely used type of bearing.
1, deep groove ball bearing
2, with dust cover of deep groove ball bearing
3, with dust cover of deep groove ball bearing sealing ring
4, the outer ring is provided with a stopping groove and check of deep groove ball bearing ring
5, deep groove ball bearings gap
6, double row deep groove ball bearing
According to the size of deep groove ball bearings can be divided into:
(1) miniature bearings – nominal diameter size range of 26mm below the bearing;
(2) small bearings – nominal diameter size range of 28-55mm bearing;
(3) small and medium sized bearings – nominal diameter size range of 60-115mm bearing;
(4) in the large bearing – nominal diameter size range of 120-190mm bearing
(5) large bearings – nominal diameter size range of 200-430mm bearing;
(6) extra large size bearing, nominal diameter range of 440mm or more.
Deep groove ball bearings can be used for gear box, instrument and meter, motor, household appliances, internal combustion engine, transport vehicles, agricultural machinery, construction machinery, engineering machinery, roller skates, yo yo.
| dimension | model | weight | ||||||||
| d | D | B | r | open | iron seal | rubber seal | Cr(N) | Cor(N) | ||
| 25 | 32 | 4 | 0.2 | 6705 | 6705ZZ | 6705-2RS | 6705-2RU | 1930 | 1550 | 0.006 |
| 37 | 7 | 0.3 | 6805 | 6805ZZ | 6805-2RS | 6805-2RU | 4300 | 2950 | 0.571 | |
| 37 | 10 | 0.3 | 63805 | 63805ZZ | 63805-2RS | 63805-2RU | 4300 | 2950 | 0.032 | |
| 42 | 9 | 0.3 | 6905 | 6905ZZ | 6905-2RS | 6905-2RU | 7000 | 4500 | 0.041 | |
| 47 | 8 | 0.3 | 16005 | 6950 | 5650 | 0.06 | ||||
| 47 | 12 | 0.6 | 6005 | 6005ZZ | 6005-2RS | 6005-2RU | 15710 | 5850 | 0.079 | |
| 47 | 16 | 1 | 63005 | 63005-2RS | 11200 | 6550 | 0.1 | |||
| 52 | 15 | 1 | 6205 | 6205ZZ | 6205-2RS | 6205-2RU | 14000 | 7900 | 0.128 | |
| 52 | 18 | 1.5 | 62205 | 62205-2RS | 14000 | 7800 | 0.146 | |||
| 52 | 20.6 | 1.5 | 63205 | 63205-2RS | 10584 | 6860 | 0.175 | |||
| 62 | 17 | 1.1 | 6305 | 6305ZZ | 6305-2RS | 6305-2RU | 23600 | 12100 | 0.232 | |
| 62 | 24 | 2 | 62305 | 62305-2RS | 22500 | 11600 | 0.32 | |||
| 62 | 25.4 | 2 | 63305 | 63305-2RS | 14700 | 9800 | 0.315 | |||
| 80 | 21 | 1.5 | 6405 | 40000 | 25710 | 0.528 | ||||
| 28 | 52 | 12 | 0.6 | 60/28 | 60/28ZZ | 60/28-2RS | 60/28-2RU | 12500 | 7400 | 0.098 |
| 58 | 16 | 1 | 62/28 | 62/28ZZ | 62/28-2RS | 62/28-2RU | 17900 | 9750 | 0.175 | |
| 68 | 18 | 1.1 | 63/28 | 63/28ZZ | 63/28-2RS | 63/28-2RU | 26800 | 14000 | 0.287 | |
| 30 | 37 | 4 | 0.2 | 6706 | 6706ZZ | 6706-2RS | 6706-2RU | 2050 | 1780 | 0.008 |
| 42 | 7 | 0.3 | 6806 | 6806ZZ | 6806-2RS | 6806-2RU | 4500 | 3400 | 0.0026 | |
| 42 | 10 | 0.3 | 63806 | 63806ZZ | 63806-2RS | 63806-2RU | 4500 | 3400 | 0.026 | |
| 47 | 9 | 0.3 | 6906 | 6906ZZ | 6906-2RS | 6906-2RU | 7250 | 5000 | 0.045 | |
| 55 | 9 | 0.3 | 16006 | 9950 | 6550 | 0.085 | ||||
| 55 | 13 | 1 | 6006 | 6006ZZ | 6006-2RS | 6006-2RU | 13200 | 8300 | 0.117 | |
| 55 | 19 | 1.5 | 63006 | 63006-2RS | 13300 | 8300 | 0.159 | |||
| 62 | 16 | 1 | 6206 | 6206ZZ | 6206-2RS | 6206-2RU | 19500 | 11300 | 0.199 | |
| 62 | 20 | 1.5 | 62206 | 62206-2RS | 19500 | 11200 | 0.242 | |||
| 62 | 23.8 | 1.5 | 63206 | 63206-2RS | 14700 | 9800 | 0.28 | |||
| 72 | 19 | 1.1 | 6306 | 6306ZZ | 6306-2RS | 6306-2RU | 26700 | 15000 | 0.346 | |
| 72 | 27 | 2 | 62306 | 62306-2RS | 28100 | 16000 | 0.485 | |||
| 72 | 30.2 | 2 | 63306 | 63306-2RS | 19600 | 13426 | 0.53 | |||
| 90 | 23 | 1.5 | 6406 | 43500 | 23800 | 0.72 | ||||
| 32 | 58 | 13 | 1 | 60/32 | 60/32ZZ | 60/32-2RS | 60/32-2RU | 15100 | 9150 | 0.129 |
| 65 | 17 | 1 | 62/32 | 62/32ZZ | 62/32-2RS | 62/32-2RU | 22400 | 13100 | 0.23 | |
| 75 | 20 | 1.1 | 63/32 | 63/32ZZ | 63/32-2RS | 63/32-2RU | 30000 | 16200 | 0.382 | |
| 35 | 44 | 5 | 0.3 | 6707 | 6707ZZ | 6707-2RS | 6707-2RU | 1862 | 1637 | 0.15 |
| 47 | 7 | 0.3 | 6807 | 6807Z | 6807-2RS | 6807-2RU | 4900 | 4000 | 0.571 | |
| 55 | 10 | 0.6 | 6907 | 6907ZZ | 6907-2RS | 6907-2RU | 10400 | 7150 | 0.073 | |
| 62 | 9 | 0.3 | 16007 | 11700 | 8150 | 0.11 | ||||
| 62 | 14 | 1 | 6007 | 6007ZZ | 6007-2RS | 6007-2RU | 16000 | 10300 | 0.156 | |
| 62 | 20 | 1.5 | 63007 | 63007-2RS | 15900 | 15710 | 0.21 | |||
| 72 | 17 | 1.1 | 6207 | 6207ZZ | 6207-2RS | 6207-2RU | 25700 | 15300 | 0.28 | |
| 72 | 23 | 2 | 62207 | 62207-2RS | 25500 | 15300 | 0.435 | |||
| 72 | 27 | 2 | 63207 | 63207-2RS | 19404 | 12740 | 0.435 | |||
| 80 | 21 | 1.5 | 62307 | 6307ZZ | 6307-2RS | 6307-2RU | 33500 | 19100 | 0.457 | |
| 80 | 31 | 2.5 | 63307 | 62307-2RS | 33200 | 19000 | 0.67 | |||
| 80 | 34.9 | 2.5 | 6407 | 63307-2RS | 23520 | 16170 | 0.71 | |||
| 100 | 25 | 1.5 | 55000 | 31000 | 0.936 | |||||
| 40 | 50 | 6 | 0.3 | 6708 | 6708ZZ | 6708-2RS | 6708-2RU | 2519 | 2234 | 0.571 |
| 52 | 7 | 0.3 | 6808 | 6808ZZ | 6808-2RS | 6808-2RU | 5050 | 4350 | 0.033 | |
| 62 | 12 | 0.6 | 6908 | 6908ZZ | 6908-2RS | 6908-2RU | 13700 | 9900 | 0.109 | |
| 68 | 9 | 0.3 | 16008 | 11100 | 8550 | 0.125 | ||||
| 68 | 15 | 1 | 6008 | 6008ZZ | 6008-2RS | 6008-2RU | 16800 | 11500 | 0.194 | |
| 68 | 21 | 1.5 | 63008 | 63008-2RS | 16800 | 11600 | 0.259 | |||
| 80 | 18 | 1.1 | 6208 | 6208ZZ | 6208-2RS | 6208-2RU | 29100 | 17900 | 0.366 | |
| 80 | 23 | 2 | 62208 | 62208-2RS | 30700 | 19000 | 0.45 | |||
| 80 | 30.2 | 2 | 63208 | 63208-2RS | 2 0571 | 14210 | 0.435 | |||
| 90 | 23 | 1.5 | 6308 | 6308ZZ | 6308-2RS | 6308-2RU | 40500 | 24100 | 0.633 | |
| 90 | 33 | 2.5 | 62308 | 62308-2RS | 41000 | 24000 | 0.91 | |||
| 90 | 36.5 | 2.5 | 63308 | 63308-2RS | 29400 | 2 0571 | 1.02 | |||
| 110 | 27 | 2 | 6408 | 63500 | 36500 | 1.2 | ||||
| 45 | 55 | 6 | 0.3 | 6709 | 6709ZZ | 6709-2RS | 6709-2RU | 2577 | 2401 | 0.571 |
| 58 | 7 | 0.3 | 6809 | 6809ZZ | 6809-2RS | 6809-2RU | 6400 | 5500 | 0.04 | |
| 68 | 12 | 0.6 | 6909 | 6909ZZ | 6909-2RS | 6909-2RU | 14100 | 10900 | 0.122 | |
| 75 | 10 | 0.6 | 16009 | 12900 | 10500 | 0.17 | ||||
| 75 | 16 | 1 | 6009 | 6009ZZ | 6009-2RS | 6009-2RU | 21000 | 15200 | 0.246 | |
| 75 | 23 | 1.5 | 63009 | 63009-2RS | 20800 | 14600 | 0.345 | |||
| 85 | 19 | 1.1 | 6209 | 6209ZZ | 6209-2RS | 6209-2RU | 32500 | 20500 | 0.407 | |
| 85 | 23 | 2 | 62209 | 62209-2RS | 33200 | 21600 | 0.485 | |||
| 85 | 30.2 | 2 | 63209 | 63209-2RS | 22540 | 15680 | 0.64 | |||
| 100 | 25 | 1.5 | 6309 | 6309ZZ | 6309-2RS | 6309-2RU | 53000 | 32000 | 0.833 | |
| 100 | 36 | 2.5 | 62309 | 62309-2RS | 52700 | 31500 | 1.19 | |||
| 100 | 39.7 | 2.5 | 63309 | 63309-2RS | 37240 | 27440 | 1.3 | |||
| 120 | 29 | 2 | 6409 | 77500 | 45000 | 1.55 | ||||
| 50 | 62 | 6 | 0.3 | 6710 | 6710ZZ | 6710-2RS | 6710-2RU | 2666 | 2636 | 0.064 |
| 65 | 7 | 0.3 | 6810 | 6810ZZ | 6810-2RS | 6810-2RU | 6600 | 6050 | 0.052 | |
| 72 | 12 | 0.6 | 6910 | 6910ZZ | 6910-2RS | 6910-2RU | 14500 | 11700 | 0.127 | |
| 80 | 10 | 0.6 | 16571 | 16100 | 13100 | 0.18 | ||||
| 80 | 16 | 1 | 6571 | 6571ZZ | 6571-2RS | 6571-2RU | 21800 | 16600 | 0.264 | |
| 80 | 23 | 1.5 | 63571 | 63571-2RS | 21600 | 16000 | 0.37 | |||
| 90 | 20 | 1.1 | 6210 | 6210ZZ | 6210-2RS | 6210-2RU | 35000 | 23200 | 0.463 | |
| 90 | 23 | 2 | 62210 | 62210-2RS | 35100 | 23200 | 0.535 | |||
| 90 | 30.2 | 2 | 63210 | 63210-2RS | 24500 | 18130 | 0.675 | |||
| 110 | 27 | 2 | 6310 | 6310ZZ | 6310-2RS | 6310-2RU | 62000 | 38100 | 1.07 | |
| 110 | 40 | 2 | 62310 | 62310-2RS | 61800 | 38000 | 1.55 | |||
| 130 | 31 | 2.1 | 6410 | 87500 | 52000 | 1.91 | ||||
Packaging & Delivery
| Packaging Detail: | 1.For small ones:anti-rust oil+vacuum plastic bag+paper box+wooden box 2.anti-rust oil+waterproof belt+professional belt+wooden box |
| Delivery Detail: | 1-3 working days after receiving deposit |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small (28-55mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Thrust Bearing |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 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 2024-05-09
China Best Sales Deep Groove Ball Bearing 6218-Zn 6219-Zn 6220-Zn bearing driver
Product Description
Deep groove ball bearing with high speed For mechanical purposes
Product Description
Deep groove ball bearings are the most typical rolling bearings with the charac- teristics of simply designed structuresconvenience in operation and extensive applications.They are designed as non-separable bearingsThe raceways in both of the rings are in arc groove form.which can carry radial load and doubl direc tions axial load.They are of features of low friction factor,high limit rotational speed and can be applied in tuations where hihg-rotating speed and low noise and low vibration are required.Applications of these bearings can be found in automobiles,machine tools,motorsinstruments,nstruction machines,railway vehicle,agricutural machines and various other special machines.
Detailed Photos
Certifications
| Place of Origin | ZheJiang ,China |
| Type | BALL |
| Structure | Deep Groove |
| Material | Gcr15 |
| Application | Machinery |
| Lubrication | Oil or Grease |
| Feature | Long Life High Speed |
| Service | OEM Available |
|
6200 Series Deep Groove Ball Bearings |
|||
|
Model Number |
Bore diameter |
Outside diameter |
Width |
|
6200 |
10 |
30 |
9 |
|
6201 |
12 |
32 |
10 |
|
6202 |
15 |
35 |
11 |
|
6203 |
17 |
40 |
12 |
|
6204 |
20 |
47 |
14 |
|
6205 |
25 |
52 |
15 |
|
6206 |
30 |
62 |
16 |
|
6207 |
35 |
72 |
17 |
|
6208 |
40 |
80 |
18 |
|
6209 |
15 |
85 |
19 |
|
6210 |
50 |
90 |
20 |
|
6211 |
55 |
100 |
21 |
|
6212 |
60 |
110 |
22 |
|
6213 |
65 |
120 |
23 |
|
6214 |
70 |
125 |
24 |
|
6215 |
75 |
130 |
25 |
|
6216 |
80 |
140 |
26 |
|
6217 |
85 |
150 |
28 |
|
6218 |
90 |
160 |
30 |
|
6219 |
95 |
170 |
32 |
|
6220 |
100 |
180 |
34 |
|
6221 |
105 |
190 |
36 |
|
6222 |
110 |
200 |
38 |
|
6224 |
120 |
215 |
40 |
|
6225 |
130 |
230 |
40 |
|
6226 |
130 |
230 |
40 |
|
6228 |
140 |
250 |
42 |
|
6230 |
150 |
270 |
45 |
|
6232 |
160 |
290 |
68 |
|
6234 |
170 |
310 |
52 |
|
6236 |
180 |
320 |
52 |
|
6238 |
190 |
340 |
55 |
|
6240 |
200 |
360 |
58 |
|
6244 |
220 |
400 |
65 |
|
6248 |
240 |
440 |
72 |
|
6252 |
260 |
480 |
80 |
|
6256 |
280 |
500 |
80 |
|
6260 |
300 |
540 |
85 |
Company Profile
ZheJiang Wangtai Bearing Co., Ltd. was founded in 2000 in ZheJiang , with its own production plant and sales as one. Independent marketing AOVE and WNTN brand high-quality bearings and related products. The company is committed to becoming the benchmark of Chinese bearing enterprises, with advanced and applicable technology, stable and reliable products, professional and thoughtful service, to provide users with more cost-effective solutions. The company mainly sells NSK bearings, CZPT bearings, CZPT bearings, CZPT bearings and CZPT bearings. Products are widely used in: aviation, aerospace, metallurgy, iron and steel, mining, electric power, machinery manufacturing, printing, electronics, textile, food, chemical industry, automobile and many other fields. Enterprise spirit: integrity, gratitude, equality, mutual respect!
Packaging & Shipping
FAQ
Q: Why did you choose us?
A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
C. The best service provided by a well-trained international sales team.
Q: Do you accept small orders?
Surely, once your bearings are standard size bearings, even one, we will also accept.
Q: How long is your delivery time?
Generally speaking, if the goods are in stock, it is 1-3 days. If the goods are out of stock, it will take 6-10 days, depending on the quantity of the order.
Q: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q: What should I do if I don’t see the type of bearings I need?
We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.
Welcome to contact me anytime!
/* 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
| Type: | Ball |
|---|---|
| Structure: | Deep Groove |
| Feature: | Long Life High Speed |
| Service: | OEM Available |
| Accuracy: | P5 |
| Specifications: | Depend on Bearing Size |
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 are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-05-09
China Best Sales Active-Power Industries Car Bearing China Wholesalers 51136/51138 Forklift Thrust Ball Bearing connecting rod bearing
Product Description
ACTIVE-POWER INDUSTRIES Car Bearing China Wholesalers 51136/51138 Forklift Thrust Ball Bearing
Product Description
Thrust ball bearings are designed to withstand thrust loads during high-speed operation and consist of washer-shaped rings with raceway grooves for ball rolling. Because the ferrule is cushion-shaped, thrust ball bearings are divided into 2 types: flat base cushion type and self-aligning spherical cushion type. In addition, this kind of bearing can bear axial load, but cannot bear radial load.
Composition of thrust ball bearings: Thrust ball bearings are composed of 3 parts: seat ring, shaft ring, and steel ball cage assembly. The shaft ring matched with the shaft is called the seat ring matched with the shell.
Thrust ball bearing Type:
According to the force situation, it can be divided into one-way thrust ball bearing and two-way thrust ball bearing. One-way thrust ball bearings can bear a one-way axial load. Two-way thrust ball bearings can withstand two-way axial loads, in which the shaft ring is matched with the shaft. The mounting surface of the seat ring is a spherical bearing, which has self-aligning performance and can reduce the influence of installation errors. Thrust ball bearings cannot bear radial loads, and the limit speed is low.
Thrust ball bearing Features:
1. There are 2 types of one-way and two-way
2. In order to allow installation errors, whether it is one-way or two-way, you can choose the spherical self-aligning spherical seat cushion type or the spherical seat ring type.
3. High-quality steel – using ultra-clean steel that can extend bearing life by up to 80%
4. Advanced grease technology ― lubricant technology can extend the life of grease and improve the performance of bearings
5. High-grade steel balls – quiet and smooth when rotating at high speed
6. With the ferrule in the option, installation errors can be tolerated.
Product Parameters
| Product Name | Thrust Ball Bearing |
| Type | Thrust Bearing |
| Structure | Ball structure / Roller structure |
| Applicable Industries | Machinery repair shop, automobile, agricultural machinery, mechanical equipment |
| Size | 5mm-500mm |
| Accuracy Grade | P0, P6, P5, P4 |
| Origin | ZheJiang , China |
| Material | GCr15 |
| Retainer Material | Copper/Steel/Nylon |
| Service | OEM / ODM |
| Certificate | ISO9001:2008 |
| Thrust Bearing | |||
| 51100 | 51200 | 51304 | 51405 |
| 51101 | 51201 | 51305 | 51406 |
| 51102 | 51202 | 51306 | 51407 |
| 51103 | 51203 | 51307 | 51408 |
| 51104 | 51204 | 51308 | 51409 |
| 51105 | 51205 | 51309 | 51410 |
| 51106 | 51206 | 51310 | 51411 |
| 51107 | 51207 | 51311 | 51412 |
| 51108 | 51208 | 51312 | 51413 |
| 51109 | 51209 | 51313 | 51414 |
| 51110 | 51210 | 51314 | 51415 |
| 51111 | 51211 | 51315 | 51416 |
| 51112 | 51212 | 51316 | 51417 |
| 51113 | 51213 | 51317 | 51418 |
| 51114 | 51214 | 51318 | 51419 |
| 51115 | 51215 | 51320 | 51420 |
| 51116 | 51216 | 51322 | 51422 |
| 51117 | 51217 | 51324 | 51424 |
| 51118 | 51218 | 51326 | 51426 |
| 51120 | 51220 | 51328 | 958705 |
| 51122 | 51222 | 51330 | |
| 51124 | 51224 | 51332 | 81126 |
| 51126 | 51226 | 51334 | 81128 |
| 51128 | 51228 | 51336 | 81130 |
| 51130 | 51230 | 81134 | |
| 51132 | 51232 | 81205 | |
| 51134 | 51234 | 81206 | |
| 51136 | 51236 | 81207 | |
| 51138 | 51238 | 81208 | |
| 51140 | 51240 | 81209 | |
| 51144 | 51244 | 81210 | |
| 51248 | 81211 | ||
| 51252 | 81212 | ||
| 51256 | 81213 | ||
| 81214 | |||
| 81215 | |||
| 81216 | |||
| 81217 | |||
| 81218 | |||
| 81220 | |||
| 81222 | |||
Company Profile
HangZhou Active-Power Industrial. is located in HangZhou, ZheJiang , China. The factory has been committed to the production research and development of bearings for more than 20 years. We support OEM and ODM bearing customization.
The main products are: Deep Groove Ball Bearing Taper Roller Bearing Tapered Roller Bearing Auto Wheel Hub Bearing Cylindrical Roller Bearing Spherical Roller Bearing Motor Bearing Needle Roller Bearing Angular Contact Ball Bearing.
FAQ
Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;
2>.Help customers with bearing choice, clearance configuration, product” life, and reliability analysis;
3>. Offer highly cost-effective and complete solution program according to site conditions;
4>. Offer localized program on introduced equipment to save running cost
Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;
2>.Help customers with trouble diagnosis and failure analysis;
3>. Visit customers regularly and feedback on their rational suggestions and requirements to the company.
Q3: How about your company’s strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request.
2>. World-Class Bearing:
We provide our customers with all types of indigenous roller bearings of world-class quality.
3>.OEM or Non-Stand Bearings:
Any requirement for Non-standard roller bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4>.Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.
5>. After-Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6>.Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.
7>.Cost Saving:
We provide long-life, shock-resistant, and high-reliability roller bearings with excellent quality and better performance.
Resulting in increased cost savings.
Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, Please contact us at the first time, and we will immediately process
Q5: How long will you respond to our problems?
A: We will respond within 1 hour. 24 hours to solve your problem
Q6: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical
assistance with any special requirements
/* 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
| Product Name: | Auto Bearing |
|---|---|
| Keywords: | Thrust Ball Bearing |
| Bearing Material: | Copper / Steel / Nylon |
| Precision Rating: | P0 P5 P6 |
| Bearing Clearance: | C0 C3 C4 C5 |
| Bore Size: | 5mm-500mm |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
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 2024-05-03
China Best Sales 6300 6301 6302 6303 6304 Zz 2RS Motor Ball Bearing bearing bronze
Product Description
What is a deep groove ball bearing
Ball bearings are composed of 1 or more rows of balls, placed between 2 coaxial rings. High resistance, they are particularly suitable for high speeds.
That’s why we find them in many mechanical applications. Ball bearings can be with or without seals (water and dust). Ball bearings with integrated seals contain a lubricant that is effective for life. These do not require maintenance.
Our range is also composed of sealed ball bearings with, on both sides, sheet-reinforced acrylonitrile-butadiene rubber (NBR) contact seals. They are supplied ready for assembly and pre-greased.
Deep groove ball bearings are simple in construction as well as easy to operate and maintain. They can run at high speeds and can support both radial and axial loads, furthermore they are robust, versatile and quiet running.
HangZhou CZPT BEARING Co., Ltd. Was established in 2013,
Registered “GNYAR” in 2014, registered “MAJC” in 2018, both was received in high-performance praise, and earned high reputation among customers from motorcycle parts, auto parts and embroidery machine spare parts, Power tools, agricultural machine, bicycle, Semiconductor Facilities. Fitness Equipments, Toys, fishing, industrial using design.
We have developed a group of experienced manufacturers and exporters of bearings to satisfy diffierent industrial requirements from diffierent customers.
We can supply:
Deep groove ball bearing single row
Metric
-6
Do you prefer that we remind you ?
Immediate and free call/email back
2nd step: the outside diameter of the bearing
- A / Put your bearing on the grid as shown in the diagram.
- B / Mark the outline of the outer ring. For more convenience, use a pencil with a fine point.
- C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
3rd step: the thickness of the bearing
- A / In the same way as for the outer diameter and the bore, place your bearing on the edge on the grid as shown in the diagram.
- B / Draw the outer contour.
- C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
Conclusion :
You now have 3 measuring elements that will allow you to identify your bearing: the inside diameter (or bore), the outside diameter, and the thickness.
You can postpone these measurements in our bearing search tool on our website
You search, we find !
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | Normal |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-05-02
China Good quality CZPT Drawer Sliders Width 3 Fold Track Full Extension Ball Bearing with Best Sales
Product Description
CZPT Drawer Sliders Width 3 Fold Track Full Extension Ball Bearing
|
type |
Drawer Slide |
|||
|
Material |
zinc |
|||
|
Application |
Kitchen, Bathroom, Home Office, Living Room, Bedroom, Dining |
|||
|
Feature |
3 Fold+Full Extension |
|||
|
Usage |
Kicthen drawer, cabinet drawer |
|||
|
Finish |
Zinc Plated |
|||
|
Length |
250mm-600mm |
|||
FAQ
1.Q: Are you trading company or manufacturer?
A: We are factory located at ZheJiang province, China. WVelcome to visit our factory!
2.Q:Howlongisyourdeliverytime?
A: Sample: 3-5 days. Mass order: 15-30 days.
3.Q: Can you provide OEM or ODM service?
A: We have a strong R&D team, so OEM and ODM servicesare available.
4.Q: What is your payment term ?
A: T/T, L/C, Western Union, PayPal, etc…
/* 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: | Zinc |
|---|---|
| Rail: | Linear |
| Slide Type: | Roller Type |
| Condition: | New |
| Type: | Drawer Slide |
| Feature: | 3 Fold+Full Extension |
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
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 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 2024-04-26
China best 69 Series High Speed Bike or Ceiling Fan Deep Groove Ball Bearing with Best Sales
Product Description
69 Series High Speed Bike or Ceiling Fan Deep Groove Ball Bearing
Induction
Miniature deep groove ball bearings refer to all types of deep groove ball bearings with a metric series diameter less than 9mm or an inch series outer diameter less than 9.525mm.
Miniature deep groove bearing application
Miniature deep groove ball bearings are suitable for various industrial equipment, small rotary motors and other high-speed and low-noise fields, such as: office equipment, micro-motors, instrumentation, laser engraving, small clocks, soft drives, pressure rotors, dental drills, hard disk motors , stepper motor, video recorder drum, toy model, computer cooling fan, money counter, fax machine and other related fields.
The 69 series ball bearing is also a kind of miniature deep groove ball bearings.
69 Series ball bearing specifications
Nide team could manufacture ball bearing as per customer’s drawing and samples. We directly supply our ball bearing to many countries, like USA, France, Turkey, India, Brazil, Argentina, Mexico etc.
Information needed for ball bearing inquiry
It will be better if customer could send us detailed drawing including below information.
1. Ball bearing model number
2. Ball bearing dimension
3. Ball bearing application
4. Required quantity
5. Other technical requirement.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material Type: | Steel Gcr 15 |
|---|---|
| Dimension: | Customized |
| Composition: | Two Rings, Rolling Elements and a Cage |
| Seal Type: | Rubber or Iron |
| Grease Type: | SRL or Customized |
| Certifiacate: | CCC |
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
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 Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-04-24
China Best Sales Steel Fork Black Treament Light Duty Caster Wheel Trolley Caster 1.5 Inch 2 Inch Double Ball Bearing carrier bearing
Product Description
WBD Caster Manufacturer 20+ years:
steel fork black treament Light Duty Caster Wheel Trolley Caster 1.5 inch 2 inch double ball bearing
|
Size |
Wheel diameter |
Load capacity |
Top-Plate size |
Bolt hole spacing |
Bolt hole |
Overall |
|
1.5inch |
40*20mm |
30 |
60*43mm |
45*30mm |
9*6mm |
60mm |
|
2inch |
50*24mm |
40 |
70*50mm |
50*35mm |
11*8mm |
71mm |
|
2.5inch |
63*32mm |
50 |
92*62mm |
72*45mm |
11*8mm |
90mm |
|
3inch |
75*32mm |
70 |
92*62mm |
72*45mm |
11*8mm |
107mm |
Characteristics of different material casters
1. PU casters: Whether the casters work indoors or outdoors, they can meet your requirements.
2. TRP casters: They can be used in the situations that require less noise and work quietly, like working in hotels, on medical equipment, on floors, on wooden floors, on tile floors ….
3. Nylon casters and iron casters: The casters are suitable for the places where the ground is uneven or where there are iron scraps on the ground.
4. Rubber casters: The casters are inappropriate under the condition of acid, grease and chemicals.
5. Pneumatic casters: The casters are suitable for light load and the uneven roads .
In order to meet the market demands, we always keep paying attention to improving and developing our products and ourselves. Currently we offer more than 2000 different kinds of high quality casters combinations for almost every applications such as: industrial machine, medical facility, furniture, trolley, shopping cart, hand pallet, scaffolding, shelf and so on.
/* 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
| Type: | Rotating Wheel |
|---|---|
| Wheel Material: | PU |
| Brake: | With Brake |
| Bearing Type: | Ball Bearing |
| Surface Treatment: | Zinc Plated |
| Brand: | Wbd |
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
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 2024-04-23