Product Description
Deep Groove Ball Bearings 6205 Zz 2RS C3 Auto Parts Machining Parts Industrial Ball Bearing
We produce all kinds of bearing sets, limit sets, widely used in agricultural machinery parts, auto parts, bearing production, construction machinery parts.
Bearing Pictures
Similar products
Company Certificates
Q:Why choose us ?
A. we are a manufacturer, we have manufactured types of bearing for over 20 years .
B. Reliable Quality Assurance System;
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists;
E. Customization and OEM Available for Specific Application;
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed Worldwide Marketing Network;
H. Efficient After-Sale Service System
Q. what is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: Can you make chains according to my CAD drawings?
A: Yes. Besides the regular standard chains, we produce non-standard and custom-design products to meet the specific technical requirements. In reality, a sizable portion of our production capacity is assigned to make non-standard products.
Q: what is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia,
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 60° |
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| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

What 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 2024-04-24
China factory High Chrome Carbon Bearing Steel Gcr15 Stainless Steel SUS440 95cr18 SUS420 30cr13 6204 6205 608 6003 6202 6001 6004 6302 6303 2RS Zz Deep Groove Ball Bearing bearing and race
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards according to the testing result of roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
| Subject | Symbol | Description |
| Sealing & Sealing type | Z | Metal shield on 1 side. |
| ZZ | Metal shields on both sides. | |
| RS | Rubber seal on 1 side. | |
| 2RS | Rubber seals on both sides. | |
| ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
| 2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
| ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
| Vibration Velocity | V | Normal vibration level. Is not indicated as a standard. |
| V1 | Lower vibration level than normal. | |
| V2 | Lower vibration level than V1. | |
| V3 | Lower vibration level than V2. | |
| V4 | Lower vibration level than V3. | |
| Tolerances | P0(ABEC1) | Bearings in standard tolerance |
| P6(ABEC3) | Tighter tolerance than standard bearings | |
| P5(ABEC5) | Tolerance tighter than P6 | |
| P4(ABEC7) | Tolerance tighter than P5 | |
| P2(ABEC9) | Tolerance tighter than P4 | |
| Radial internal clearance | C1 | Smaller clearance than C2 |
| C2 | Smaller clearance than CN | |
| CN(C0) | Clearance than normal | |
| C3 | Clearance larger than CN | |
| C4 | Clearance larger than C3 | |
| C5 | Clearance larger than C4 | |
| Snap Ring Groove | N | Snap ring groove in the outer ring |
| NR | Snap ring groove in the outer ring, with snap ring | |
| N1 | One locating slot in 1 outer ring side face | |
| R | Flanged outer ring | |
| Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
| N | Snap ring groove in the outer ring. | |
| SS | Stainless steel. |
| Cage Materials | J | Pressed steel cages |
| M | Solid brass cage | |
| F | Solid cage made from steel or iron | |
| Y | Pressed brass cages. | |
| T | Laminated phenolic cages. | |
| TN | Polyamide cages | |
| TH | Glass-fiber reinforced phenolic resin cages. | |
| TV | Polyamide cage | |
| Cage Designs | P | Window-type cage |
| H | Claw-type cage | |
| A | Cage guided on the bearing outer ring | |
| B | Cage-guided on the bearing inner ring | |
| S | Cage with lubricating slots in the guiding surfaces | |
| D | Carbonitriding cage | |
| W | Welded cage | |
| R | Riveted Cage | |
| Cage Types | N/A | Claw-type cage |
| Ribbon cage | ||
| Crown cage | ||
| Sunflower cage | ||
| Tapered cage |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
| Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
| Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
| 6301 | 12 | 17 | 12 | 17000 | 22000 | 9.72 | 5.08 | 0.06 |
| 6302 | 15 | 42 | 13 | 16000 | 20000 | 11.5 | 5.42 | 0.082 |
| 6303 | 17 | 47 | 14 | 15000 | 18000 | 13.5 | 6.58 | 0.115 |
| 6304 | 20 | 52 | 15 | 13000 | 16000 | 15.8 | 7.88 | 0.142 |
| 6305 | 25 | 62 | 17 | 11000 | 13000 | 20.6 | 11.3 | 0.232 |
| 6306 | 30 | 72 | 19 | 6600 | 12000 | 26.7 | 15 | 0.346 |
| 6307 | 35 | 80 | 21 | 8500 | 10000 | 33.4 | 19.3 | 0.457 |
| 6308 | 40 | 90 | 23 | 7000 | 8500 | 40.8 | 24 | 0.639 |
| 6309 | 45 | 100 | 25 | 6300 | 7500 | 52.8 | 31.8 | 0.837 |
| 6310 | 50 | 110 | 27 | 6000 | 7000 | 61.8 | 38 | 1.082 |
| 6311 | 55 | 120 | 29 | 5600 | 6700 | 71.5 | 44.8 | 1.367 |
| 6312 | 60 | 130 | 31 | 5000 | 6000 | 81.8 | 51.8 | 1.71 |
| 6313 | 65 | 140 | 33 | 4500 | 5300 | 93.8 | 60.5 | 2.1 |
| 6313 | 70 | 150 | 35 | 4300 | 5000 | 105 | 68 | 2.55 |
| 6315 | 75 | 160 | 37 | 4000 | 4800 | 113 | 76.8 | 3.05 |
| 6316 | 80 | 170 | 39 | 3800 | 4500 | 123 | 86.5 | 3.61 |
| 6317 | 85 | 180 | 41 | 3600 | 4300 | 132 | 96.5 | 4.284 |
| 6318 | 90 | 190 | 43 | 3400 | 4000 | 145 | 108 | 4.97 |
| 6319 | 95 | 200 | 45 | 3200 | 3800 | 157 | 122 | 5.74 |
| 6320 | 100 | 215 | 47 | 2800 | 3600 | 173 | 140 | 7.09 |
| 6321 | 105 | 225 | 49 | 2600 | 3200 | 184 | 153 | 8.05 |
| 6322 | 110 | 240 | 50 | 2400 | 3000 | 205 | 178 | 9.53 |
| 6324 | 120 | 260 | 55 | 2200 | 2800 | 228 | 208 | 12.2 |
| 6326 | 130 | 280 | 58 | 2000 | 2600 | 253 | 242 | 14.77 |
| 6328 | 140 | 300 | 62 | 1900 | 2400 | 275 | 272 | 18.33 |
| 6330 | 150 | 320 | 65 | 1700 | 2200 | 288 | 295 | 21.87 |
| 6332 | 160 | 340 | 68 | 1600 | 2000 | 313 | 340 | 26.43 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material Option 2: | Stainless Steel |
|---|---|
| MOQ: | One Pallet |
| Seals Options: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

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 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.

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.


editor by CX 2024-04-03
China Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing bearing and race
Product Description
Product Description
NSK CZPT Rolamento Bearings ZZ 2RS DDU Deep Groove Ball Bearing
are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for
low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions,
are easy to mount, and require less maintenance than other bearing types.
| Product name | Deep groove ball bearings |
| Material | Bearing Steel |
| Standard | DIN GB ISO JIS |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Service | OEM service provided |
| Delivery time | 3-10 days depends on quantity needed |
Detailed Photos
Product Parameters
| 6000 series deep groove ball bearings | ||||||
| Bearing No. | Boundary Dimensions(mm) | Basic Load Rating(N) | Weight(KG) | |||
| d | D | B | Cr | Cor | ||
| 604 | 4 | 12 | 4 | 960 | 350 | 0.571 |
| 605 | 5 | 14 | 5 | 1070 | 420 | 0.0037 |
| 606 | 6 | 17 | 6 | 1960 | 730 | 0.0069 |
| 607 | 7 | 19 | 6 | 2800 | 1060 | 0.0082 |
| 608 | 8 | 22 | 7 | 3290 | 1360 | 0.0129 |
| 609 | 9 | 24 | 7 | 3330 | 1410 | 0.016 |
| 6000 | 10 | 26 | 8 | 4160 | 1780 | 0.019 |
| 6001 | 12 | 28 | 8 | 5110 | 2380 | 0.571 |
| 6002 | 15 | 32 | 9 | 5590 | 2840 | 0.03 |
| 6003 | 17 | 35 | 10 | 6000 | 3250 | 0.039 |
| 6004 | 20 | 42 | 12 | 9390 | 5571 | 0.069 |
| 6005 | 25 | 47 | 12 | 10060 | 5860 | 0.08 |
| 6006 | 30 | 55 | 13 | 11900 | 7460 | 0.12 |
| 6007 | 35 | 62 | 14 | 16210 | 10420 | 0.16 |
| 6008 | 40 | 68 | 15 | 17030 | 11700 | 0.19 |
| 6009 | 45 | 75 | 16 | 21080 | 14780 | 0.25 |
| 6571 | 50 | 80 | 16 | 22000 | 16260 | 0.26 |
| 6011 | 55 | 90 | 18 | 31500 | 18400 | 0.39 |
| 6012 | 60 | 95 | 18 | 30000 | 23000 | 0.42 |
| 6013 | 65 | 100 | 18 | 32000 | 25000 | 0.44 |
| 6014 | 70 | 110 | 20 | 38000 | 31000 | 0.6 |
| 6015 | 75 | 115 | 20 | 38000 | 31000 | 0.64 |
| 6016 | 80 | 125 | 22 | 47500 | 40000 | 0.85 |
| 6017 | 85 | 130 | 22 | 47500 | 40000 | 0.89 |
| 6018 | 90 | 140 | 24 | 63800 | 59000 | 1.15 |
| 6019 | 95 | 145 | 24 | 66700 | 62300 | 1.2 |
| 6571 | 100 | 150 | 24 | 72500 | 70000 | 1.25 |
| 6200 Series Miniature Deep Groove Ball Bearing | ||||||
| Bearing No. | Boundary Dimensions(mm) | Basic Load Rating(N) | Weight(KG) | |||
| d | D | B | Cr | Cor | ||
| 624 | 4 | 13 | 5 | 1150 | 400 | 0.0032 |
| 625 | 5 | 16 | 5 | 1880 | 680 | 0.0051 |
| 626 | 6 | 19 | 6 | 2800 | 1060 | 0. |
| 627 | 7 | 22 | 7 | 3290 | 1360 | 0.0131 |
| 628 | 8 | 24 | 8 | 3330 | 1410 | 0.017 |
| 629 | 9 | 26 | 8 | 4160 | 1780 | 0.0191 |
| 6200 | 10 | 30 | 9 | 5110 | 2380 | 0.032 |
| 6201 | 12 | 32 | 10 | 6180 | 3060 | 0.037 |
| 6202 | 15 | 35 | 11 | 7450 | 3700 | 0.045 |
| 6203 | 17 | 40 | 12 | 9560 | 4780 | 0.065 |
| 6204 | 20 | 47 | 14 | 12840 | 6650 | 0.11 |
| 6205 | 25 | 52 | 15 | 14571 | 7930 | 0.13 |
| 6206 | 30 | 62 | 16 | 19460 | 11310 | 0.2 |
| 6207 | 35 | 72 | 17 | 25670 | 15300 | 0.29 |
| 6208 | 40 | 80 | 18 | 29520 | 181400 | 0.37 |
| 6209 | 45 | 85 | 19 | 32500 | 20400 | 0.41 |
| 6210 | 50 | 90 | 20 | 35000 | 32300 | 0.46 |
| 6211 | 55 | 100 | 21 | 43500 | 29200 | 0.61 |
| 6212 | 60 | 110 | 22 | 52500 | 36000 | 0.78 |
| 6213 | 65 | 120 | 23 | 57200 | 45710 | 0.99 |
| 6214 | 70 | 125 | 24 | 62000 | 44000 | 1.05 |
| 6215 | 75 | 130 | 25 | 66000 | 49500 | 1.2 |
| 6216 | 80 | 140 | 26 | 72500 | 53000 | 1.4 |
| 6217 | 85 | 150 | 28 | 83500 | 64000 | 1.8 |
| 6218 | 90 | 160 | 30 | 96000 | 71500 | 2.15 |
| 6219 | 95 | 170 | 32 | 109000 | 82000 | 2.6 |
| 6220 | 100 | 180 | 34 | 122000 | 93000 | 3.15 |
Packaging & Shipping
Company Profile
Our Advantages
Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to
pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales,
most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by
customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number,
account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to contact us, if you have any other question
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 10/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.

Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

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 2024-01-11
China Standard Auto Part Motorcycle Spare Part Wheel Bearing 6000 6002 6004 6200 6204 6300 6302 6400 6402 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, Fan, Skateboard bearing air
Product Description
Auto Part motorcycle spare part wheel bearing 6402 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, fan,skateboard
Product Description
General information of CZPT deep groove ball bearing
ZYS deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. There are 2 types of deep groove ball bearings: single row and double row. Deep groove ball structure is also divided into seal and open structure. The open type means that the bearing has no sealing structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof seal. The dust-proof seal cover is made of steel plate, which only serves as a simple way to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent grease overflow in the bearing.
Working principle of CZPT deep groove ball bearing
It mainly bears radial load, and also can bear axial load and radial load at the same time. When it only bears radial load, the contact angle is zero. When the deep groove ball bearing has a large radial clearance, it has the performance of angular contact bearing and can withstand large axial load. The friction coefficient of the deep groove ball bearing is very small, and the limit speed is also very high.
Characteristics of CZPT deep groove ball bearing
ZYS Deep groove ball bearings are suitable for high speed operation, and they are very durable without frequent maintenance. This kind of bearing has the characteristics of small friction coefficient, high limit speed, various sizes and forms; they are used in precision instruments, low noise motor, automobile, motorcycle and general machinery and other industries. It is 1 of the most widely used bearing in mechanical industry. It mainly bears radial load, and also can bear a certain amount of axial load.
Application of CZPT deep groove ball bearing
Product Parameters
Technical parameter of CZPT deep groove ball bearing
| Bearing Model | Dimension | Basic Load rating (kN) | Weight (kg) | |||||||||||
| Standard type | shield | seal | With snap ring groove | With snap ring | d | D | B | rsmin | D2 (max) | max | Cr | Cor | ||
| 604 | ZZ | 2RZ | 2RS | N | NR | 4 | 12 | 4 | 0.2 | – | – | 0.806 | 0.28 | 0.0571 |
| 605 | ZZ | 2RZ | 2RS | N | NR | 5 | 14 | 5 | 0.2 | – | – | 1.33 | 0.505 | 0.0035 |
| 606 | ZZ | 2RZ | 2RS | N | NR | 6 | 17 | 6 | 0.3 | – | – | 1.95 | 0.75 | 0.0060 |
| 607 | ZZ | 2RZ | 2RS | N | NR | 7 | 19 | 6 | 0.3 | – | – | 2.34 | 0.95 | 0.0080 |
| 608 | ZZ | 2RZ | 2RS | N | NR | 8 | 22 | 7 | 0.3 | – | – | 3.45 | 1.37 | 0.012 |
| 609 | ZZ | 2RZ | 2RS | N | NR | 9 | 24 | 7 | 0.3 | – | – | 3.9 | 1.66 | 0.014 |
| 6000 | ZZ | 2RZ | 2RS | N | NR | 10 | 26 | 8 | 0.3 | 29.2 | 0.7 | 4.55 | 1.97 | 0.018 |
| 6001 | ZZ | 2RZ | 2RS | N | NR | 12 | 28 | 8 | 0.3 | 30.8 | 0.85 | 5.00 | 2.30 | 0.571 |
| 6002 | ZZ | 2RZ | 2RS | N | NR | 15 | 32 | 9 | 0.3 | 36.7 | 1.12 | 5.50 | 2.80 | 0.030 |
| 6003 | ZZ | 2RZ | 2RS | N | NR | 17 | 35 | 10 | 0.3 | 39.7 | 1.12 | 6.00 | 3.25 | 0.040 |
| 6004 | ZZ | 2RZ | 2RS | N | NR | 20 | 12 | 0.6 | 46.3 | 1.12 | 9.38 | 5.03 | 0.068 | |
| 6005 | ZZ | 2RZ | 2RS | N | NR | 25 | 47 | 12 | 0.6 | 52.7 | 1.12 | 10.1 | 5.83 | 0.079 |
| 6006 | ZZ | 2RZ | 2RS | N | NR | 30 | 55 | 13 | 1 | 60.7 | 1.12 | 13.2 | 8.30 | 0.113 |
| 6007 | ZZ | 2RZ | 2RS | N | NR | 35 | 62 | 14 | 1 | 67.7 | 1.7 | 16.2 | 10.4 | 0.149 |
| 6008 | ZZ | 2RZ | 2RS | N | NR | 40 | 68 | 15 | 1 | 74.6 | 1.7 | 17.0 | 11.7 | 0.185 |
| 6009 | ZZ | 2RZ | 2RS | N | NR | 45 | 75 | 16 | 1 | 81.6 | 1.7 | 21.0 | 14.8 | 0.231 |
| 6571 | ZZ | 2RZ | 2RS | N | NR | 50 | 80 | 16 | 1 | 86.6 | 1.7 | 22.0 | 16.3 | 0.250 |
| 6011 | ZZ | 2RZ | 2RS | N | NR | 55 | 90 | 18 | 1.1 | 96.5 | 2.46 | 30.3 | 22.0 | 0.362 |
| 6012 | ZZ | 2RZ | 2RS | N | NR | 60 | 95 | 18 | 1.1 | 101.6 | 2.46 | 31.7 | 24.2 | 0.385 |
| 6013 | ZZ | 2RZ | 2RS | N | NR | 65 | 100 | 18 | 1.1 | 106.5 | 2.46 | 32.0 | 24.8 | 0.430 |
| 6014 | ZZ | 2RZ | 2RS | N | NR | 70 | 110 | 20 | 1.1 | 116.6 | 2.46 | 38.6 | 30.4 | 0.569 |
| 6015 | ZZ | 2RZ | 2RS | N | NR | 75 | 115 | 20 | 1.1 | 121.6 | 2.46 | 40.2 | 33.2 | 0.603 |
| 6016 | ZZ | 2RZ | 2RS | N | NR | 80 | 125 | 22 | 1.1 | 134.7 | 2.82 | 47.5 | 39.8 | 0.821 |
| 6017 | ZZ | 2RZ | 2RS | N | NR | 85 | 130 | 22 | 1.1 | 139.7 | 2.82 | 50.8 | 42.8 | 0.848 |
| 6018 | ZZ | 2RZ | 2RS | N | NR | 90 | 140 | 24 | 1.5 | 149.7 | 2.82 | 58.0 | 49.9 | 1.12 |
| 6019 | ZZ | 2RZ | 2RS | N | NR | 95 | 145 | 24 | 1.5 | 154.7 | 2.82 | 57.7 | 50.0 | 1.18 |
| 6571 | ZZ | 2RZ | 2RS | N | NR | 100 | 150 | 24 | 1.5 | 159.7 | 2.82 | 60.5 | 54.0 | 1.25 |
| 6571 | ZZ | 2RZ | 2RS | N | NR | 105 | 160 | 26 | 2 | 169.7 | 2.82 | 72.8 | 65.5 | 1.60 |
| 6571 | ZZ | 2RZ | 2RS | N | NR | 110 | 170 | 28 | 2 | 182.9 | 3.1 | 81.9 | 72.9 | 1.93 |
| 6571 | ZZ | 2RZ | 2RS | N | NR | 120 | 180 | 28 | 2 | 192.9 | 3.1 | 87.7 | 79.3 | 2.03 |
| 6026 | ZZ | 2RZ | 2RS | N | NR | 130 | 200 | 33 | 2 | 212.9 | 3.1 | 105 | 96.8 | 3.15 |
| 6571 | ZZ | 2RZ | 2RS | N | NR | 140 | 210 | 33 | 2 | 222.8 | 3.1 | 111 | 108 | 3.35 |
| 6030 | ZZ | 2RZ | 2RS | N | NR | 150 | 225 | 35 | 2.1 | 237 | 3.5 | 125 | 125 | 4.80 |
| 6032 | ZZ | 2RZ | 2RS | – | — | 160 | 240 | 38 | 2.1 | — | – | 137 | 135 | 5.15 |
| 6034 | ZZ | 2RZ | 2RS | – | — | 170 | 260 | 42 | 2.1 | — | – | 161 | 161 | 6.89 |
| 6036 | ZZ | 2RZ | 2RS | – | — | 180 | 280 | 46 | 2.1 | — | – | 180 | 185 | 8.88 |
| 6038 | ZZ | 2RZ | 2RS | – | — | 190 | 290 | 46 | 2.1 | — | – | 188 | 201 | 9.39 |
| 6040 | ZZ | 2RZ | 2RS | – | — | 200 | 310 | 51 | 2.1 | — | – | 207 | 226 | 12 |
| 6044 | ZZ | 2RZ | 2RS | – | — | 220 | 340 | 56 | 3 | — | – | 235 | 271 | 18.6 |
| 6048 | ZZ | 2RZ | 2RS | – | — | 240 | 360 | 56 | 3 | — | – | 244 | 296 | 19.9 |
| 6052 | ZZ | 2RZ | 2RS | – | — | 260 | 400 | 65 | 4 | — | – | 291 | 375 | 29.4 |
| Bearing Model | Dimension | Basic Load rating (kN) |
Weight (kg) |
|||||||||||
| Standard type |
shield | seal | With snap ring groove |
With snap ring |
d | D | B | rsmin | D2 (max) |
max | Cr | Cor | ||
| 624 | ZZ | 2RZ | 2RS | N | NR | 4 | 13 | 5 | 0.2 | – | – | 1.15 | 0.4 | 0.0031 |
| 625 | ZZ | 2RZ | 2RS | N | NR | 5 | 16 | 5 | 0.3 | – | – | 1.88 | 0.68 | 0.0048 |
| 626 | ZZ | 2RZ | 2RS | N | NR | 6 | 19 | 6 | 0.3 | – | – | 2.80 | 1.05 | 0.0081 |
| 627 | ZZ | 2RZ | 2RS | N | NR | 7 | 22 | 7 | 0.3 | – | – | 3.28 | 1.35 | 0.013 |
| 628 | ZZ | 2RZ | 2RS | N | NR | 8 | 24 | 8 | 0.3 | – | – | 3.35 | 1.40 | 0.017 |
| 629 | ZZ | 2RZ | 2RS | N | NR | 9 | 26 | 8 | 0.3 | – | – | 4.45 | 1.95 | 0.571 |
| 6200 | ZZ | 2RZ | 2RS | N | NR | 10 | 30 | 9 | 0.6 | – | – | 5.1 | 2.39 | 0.032 |
| 6201 | ZZ | 2RZ | 2RS | N | NR | 12 | 32 | 10 | 0.6 | 36.7 | 1.12 | 6.00 | 2.70 | 0.036 |
| 6202 | ZZ | 2RZ | 2RS | N | NR | 15 | 35 | 11 | 0.6 | 39.7 | 1.12 | 7.80 | 3.75 | 0.045 |
| 6203 | ZZ | 2RZ | 2RS | N | NR | 17 | 40 | 12 | 0.6 | 44.6 | 1.12 | 9.56 | 4.75 | 0.065 |
| 6204 | ZZ | 2RZ | 2RS | N | NR | 20 | 47 | 14 | 1 | 52.7 | 1.12 | 12.7 | 6.55 | 0.103 |
| 6205 | ZZ | 2RZ | 2RS | N | NR | 25 | 52 | 15 | 1 | 57.9 | 1.12 | 14.0 | 7.80 | 0.127 |
| 6206 | ZZ | 2RZ | 2RS | N | NR | 30 | 62 | 16 | 1 | 67.7 | 1.7 | 19.5 | 11.2 | 0.203 |
| 6207 | ZZ | 2RZ | 2RS | N | NR | 35 | 72 | 17 | 1.1 | 78.6 | 1.7 | 25.5 | 15.3 | 0.287 |
| 6208 | ZZ | 2RZ | 2RS | N | NR | 40 | 80 | 18 | 1.1 | 86.6 | 1.7 | 30.7 | 19.0 | 0.367 |
| 6209 | ZZ | 2RZ | 2RS | N | NR | 45 | 85 | 19 | 1.1 | 91.6 | 1.7 | 33.2 | 21.6 | 0.416 |
| 6210 | ZZ | 2RZ | 2RS | N | NR | 50 | 90 | 20 | 1.1 | 96.5 | 2.46 | 35.1 | 23.2 | 0.462 |
| 6211 | ZZ | 2RZ | 2RS | N | NR | 55 | 100 | 21 | 1.5 | 106.5 | 2.46 | 43.4 | 29.2 | 0.607 |
| 6212 | ZZ | 2RZ | 2RS | N | NR | 60 | 110 | 22 | 1.5 | 116.6 | 2.46 | 47.5 | 32.5 | 0.783 |
| 6213 | ZZ | 2RZ | 2RS | N | NR | 65 | 120 | 23 | 1.5 | 129.7 | 2.82 | 55.9 | 40.5 | 0.990 |
| 6214 | ZZ | 2RZ | 2RS | N | NR | 70 | 125 | 24 | 1.5 | 134.7 | 2.82 | 60.5 | 45.0 | 1.10 |
| 6215 | ZZ | 2RZ | 2RS | N | NR | 75 | 130 | 25 | 1.5 | 139.7 | 2.82 | 66.3 | 49.0 | 1.20 |
| 6216 | ZZ | 2RZ | 2RS | N | NR | 80 | 140 | 26 | 2 | 149.7 | 2.82 | 70.2 | 55.0 | 1.40 |
| 6217 | ZZ | 2RZ | 2RS | N | NR | 85 | 150 | 28 | 2 | 159.7 | 2.82 | 83.2 | 64.0 | 1.80 |
| 6218 | ZZ | 2RZ | 2RS | N | NR | 90 | 160 | 30 | 2 | 169.7 | 2.82 | 95.6 | 73.5 | 2.15 |
| 6219 | ZZ | 2RZ | 2RS | N | NR | 95 | 170 | 32 | 2.1 | 182.9 | 3.1 | 108 | 81.5 | 2.60 |
| 6220 | ZZ | 2RZ | 2RS | N | NR | 100 | 180 | 34 | 2.1 | 192.9 | 3.1 | 122 | 92.7 | 3.20 |
| 6221 | ZZ | 2RZ | 2RS | N | NR | 105 | 190 | 36 | 2.1 | 202.9 | 3.1 | 133 | 104 | 3.71 |
| 6222 | ZZ | 2RZ | 2RS | N | NR | 110 | 200 | 38 | 2.1 | 212.9 | 3.1 | 144 | 117 | 4.44 |
| 6224 | ZZ | 2RZ | 2RS | N | NR | 120 | 215 | 40 | 2.1 | 227.8 | 3.1 | 155 | 130 | 5.32 |
| 6226 | ZZ | 2RZ | 2RS | N | NR | 130 | 230 | 40 | 3 | 242 | 3.5 | 165 | 147 | 6.13 |
| 6228 | ZZ | 2RZ | 2RS | N | NR | 140 | 250 | 42 | 3 | 262 | 3.5 | 165 | 125 | 7.45 |
| 6230 | ZZ | 2RZ | 2RS | — | – | 150 | 270 | 45 | 3 | — | – | 174 | 137 | 9.40 |
| 6232 | ZZ | 2RZ | 2RS | — | — | 160 | 290 | 68 | 3 | — | – | 185 | 186 | 12.8 |
| 6234 | ZZ | 2RZ | 2RS | — | – | 170 | 310 | 52 | 4 | — | – | 212 | 224 | 15.8 |
| 6236 | ZZ | 2RZ | 2RS | — | – | 180 | 320 | 52 | 4 | — | – | 227 | 241 | 15.9 |
| 6238 | ZZ | 2RZ | 2RS | — | – | 190 | 340 | 55 | 4 | — | – | 255 | 282 | 22.3 |
| 6240 | ZZ | 2RZ | 2RS | — | – | 200 | 360 | 58 | 4 | — | – | 269 | 310 | 26.7 |
| 6244 | ZZ | 2RZ | 2RS | — | – | 220 | 400 | 65 | 4 | — | – | 310 | 375 | 37.4 |
| 6248 | ZZ | 2RZ | 2RS | — | – | 240 | 440 | 72 | 4 | — | – | 340 | 430 | 50.5 |
| 6252 | ZZ | 2RZ | 2RS | — | – | 260 | 480 | 80 | 5 | — | – | 400 | 540 | 67 |
| 6256 | ZZ | 2RZ | 2RS | — | – | 280 | 500 | 80 | 5 | — | – | 400 | 550 | 70.4 |
| 6260 | ZZ | 2RZ | 2RS | — | — | 300 | 540 | 85 | 5 | — | – | 465 | 670 | 87.8 |
| Bearing Model | Dimension | Basic Load rating (kN) |
Weight (kg) |
|||||||||||
| Standard type |
shield | seal | With snap ring groove |
With snap ring |
d | D | B | rsmin | D2 (max) |
F max | Cr | Cor | ||
| 635 | ZZ | 2RZ | 2RS | N | NR | 5 | 19 | 6 | 0.3 | – | – | 2.34 | 0.95 | 0.0080 |
| 636 | ZZ | 2RZ | 2RS | N | NR | 6 | 22 | 7 | 0.3 | – | – | 0.0134 | ||
| 637 | ZZ | 2RZ | 2RS | N | NR | 7 | – | – | – | – | – | – | ||
| 638 | ZZ | 2RZ | 2RS | N | NR | 8 | 28 | 9 | 0.3 | – | – | 0.5710 | ||
| 639 | ZZ | 2RZ | 2RS | N | NR | 9 | – | – | – | – | – | – | ||
| 6301 | ZZ | 2RZ | 2RS | N | NR | 12 | 37 | 12 | 1 | 41.3 | 1.12 | 9.70 | 4.20 | 0.060 |
| 6302 | ZZ | 2RZ | 2RS | N | NR | 15 | 42 | 13 | 1 | 46.3 | 1.12 | 11.4 | 5.40 | 0.082 |
| 6303 | ZZ | 2RZ | 2RS | N | NR | 17 | 47 | 14 | 1 | 52.7 | 1.12 | 13.5 | 6.55 | 0.115 |
| 6304 | ZZ | 2RZ | 2RS | N | NR | 20 | 52 | 15 | 1.1 | 57.9 | 1.12 | 15.9 | 7.80 | 0.141 |
| 6305 | ZZ | 2RZ | 2RS | N | NR | 25 | 62 | 17 | 1.1 | 67.7 | 1.7 | 22.5 | 11.6 | 0.219 |
| 6306 | ZZ | 2RZ | 2RS | N | NR | 30 | 72 | 19 | 1.1 | 78.6 | 1.7 | 28.1 | 16.0 | 0.350 |
| 6307 | ZZ | 2RZ | 2RS | N | NR | 35 | 80 | 21 | 1.5 | 86.6 | 1.7 | 33.2 | 19.0 | 0.454 |
| 6308 | ZZ | 2RZ | 2RS | N | NR | 40 | 90 | 23 | 1.5 | 96.5 | 2.46 | 31.4 | 22.4 | 0.639 |
| 6309 | ZZ | 2RZ | 2RS | N | NR | 45 | 100 | 25 | 1.5 | 106.5 | 2.46 | 52.7 | 31.5 | 0.836 |
| 6310 | ZZ | 2RZ | 2RS | N | NR | 50 | 110 | 27 | 2 | 116.6 | 2.46 | 61.8 | 38.0 | 1.05 |
| 6311 | ZZ | 2RZ | 2RS | N | NR | 55 | 120 | 29 | 2 | 129.7 | 2.82 | 71.5 | 45.0 | 1.35 |
| 6312 | ZZ | 2RZ | 2RS | N | NR | 60 | 130 | 31 | 2.1 | 139.7 | 2.82 | 81.9 | 52.0 | 1.70 |
| 6313 | ZZ | 2RZ | 2RS | N | NR | 65 | 140 | 33 | 2.1 | 149.7 | 2.82 | 92.3 | 60.0 | 2.10 |
| 6314 | ZZ | 2RZ | 2RS | N | NR | 70 | 150 | 35 | 2.1 | 159.7 | 2.82 | 104 | 68.0 | 2.50 |
| 6315 | ZZ | 2RZ | 2RS | N | NR | 75 | 160 | 37 | 2.1 | 169.7 | 2.82 | 114 | 76.5 | 3.00 |
| 6316 | ZZ | 2RZ | 2RS | N | NR | 80 | 170 | 39 | 2.1 | 182.9 | 3.1 | 124 | 86.5 | 3.60 |
| 6317 | ZZ | 2RZ | 2RS | N | NR | 85 | 180 | 41 | 3 | 192.9 | 3.1 | 133 | 96.5 | 4.25 |
| 6318 | ZZ | 2RZ | 2RS | N | NR | 90 | 190 | 43 | 3 | 202.9 | 3.1 | 143 | 108 | 4.90 |
| 6319 | ZZ | 2RZ | 2RS | N | NR | 95 | 200 | 45 | 3 | 212.9 | 3.1 | 153 | 119 | 5.75 |
| 6320 | ZZ | 2RZ | 2RS | N | NR | 100 | 215 | 47 | 3 | 227.8 | 3.1 | 174 | 140 | 7.00 |
| 6321 | ZZ | 2RZ | 2RS | N | NR | 105 | 225 | 49 | 3 | 237 | 3.5 | 182 | 153 | 8.25 |
| 6322 | ZZ | 2RZ | 2RS | N | NR | 110 | 240 | 50 | 3 | 252 | 3.5 | 205 | 178 | 9.54 |
| 6324 | ZZ | 2RZ | 2RS | – | — | 120 | 260 | 55 | 3 | — | – | 228 | 207 | 12.2 |
| 6326 | ZZ | 2RZ | 2RS | – | — | 130 | 280 | 58 | 4 | — | – | 229 | 216 | 18.0 |
| 6328 | ZZ | 2RZ | 2RS | – | — | 140 | 300 | 62 | 4 | — | – | 251 | 245 | 22.0 |
| 6330 | ZZ | 2RZ | 2RS | – | — | 150 | 320 | 65 | 4 | — | – | 274 | 284 | 22.7 |
| 6332 | ZZ | 2RZ | 2RS | – | — | 160 | 340 | 68 | 4 | — | – | 278 | 287 | 26.2 |
| 6334 | ZZ | 2RZ | 2RS | – | — | 170 | 360 | 72 | 4 | — | – | 325 | 355 | 36.6 |
| 6336 | ZZ | 2RZ | 2RS | – | — | 180 | 380 | 75 | 4 | — | – | 355 | 405 | 43.1 |
| 6338 | ZZ | 2RZ | 2RS | – | — | 190 | 400 | 78 | 5 | — | – | 355 | 415 | 49.7 |
| 6340 | ZZ | 2RZ | 2RS | – | — | 200 | 420 | 80 | 5 | — | – | 380 | 445 | 55.3 |
| 6344 | ZZ | 2RZ | 2RS | – | — | 220 | 460 | 88 | 5 | — | – | 410 | 520 | 73.9 |
| 6348 | ZZ | 2RZ | 2RS | – | — | 240 | 500 | 95 | 5 | — | – | 470 | 625 | 94.4 |
| 6352 | ZZ | 2RZ | 2RS | – | — | 260 | 540 | 102 | 6 | — | – | 505 | 710 | 118 |
| 6356 | ZZ | 2RZ | 2RS | – | — | 280 | 580 | 108 | 6 | — | – | 570 | 840 | 144 |
Company Profile
HangZhou Bearing Research Institute Co., Ltd.,since1958, is the only
state level comprehensive research institute in China’s bearing
industry. We have total assets of 2.06 billion RMB, own 1 research
and development center, 3 industrial bases and cover an area of
more than 47 hectares. We have advanced bearing manufacturing
equipments and world first class testing equipments and have solid
strength in manufacturing, measuring and testing of bearing and
related components with high precision and high reliability. We have
more than 380 technical staff of bearing related disciplines, thus we
maintain a leading position in the aspects of bearing design, basic
theoretical research, lubrication technology, metallic and non-metallic materials, testing and industry standards.
Why choose CZPT bearing:
ZYS has an independent R&D center and a core technology system with independent intellectual property rights. CZPT technical team and R&D equipment scale are at the forefront of the bearing industry. CZPT has many scientific research, testing and service institutions such as the National Bearing Quality Supervision and Inspection Center and the National Bearing Accreditation Laboratory. CZPT has achieved 908 major scientific research projects and has 792 authorized patents.
Simulation analysis and design technology: ZYS has a post-doctoral research station, an experienced team of domestic and foreign experts, complete bearing professional analysis and finite element analysis software, which can systematically analyze and design the mechanics, kinematics and dynamics properties of bearings and bearing components.
Material technology: ZYS specializes in the research and development of bearing special steel, forming and heat treatment technology, bearing lubrication and sealing materials to ensure that the bearings can meet the requirements of various complex working conditions such as long life, impact resistance, heavy load, high and low temperature.
Simulation bench test technology: ZYS possesses test technical specifications, test equipment, and test equipment development capabilities and test data processing and analysis capabilities for various types of bearings under various working conditions, providing strong support for customer product development.
Professional application technical services: ZYS has more than 380 engineering and technical personnel in bearing-related disciplines, and maintains a leading position in bearing design, basic theoretical research, lubrication technology, metal and non-metal materials, testing, and industrial standards. CZPT professional service team provides customers with systematic bearing application technology solutions including bearing selection, design, materials, testing, and process equipment.
Our Advantages
ZYS MANUFACTURING CAPACITY
Certifications
ZYS Quality assurance
ZYS bearing products
Packaging & Shipping
ZYS Packing :
FAQ
Q: Are you trading company or manufacturer?
A: CZPT is bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.
Q: How do you control quality of bearing?
A: CZPT has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.
Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.
Q: Is sample avaiable?
A: Yes, sample order is acceptable.
Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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 2023-08-11