Product Description
Product Description
BEARING INNER RING
A steel ball with a common steel ball or roller rolling on the outer surface of the inner ring.
RUBBER SEALAFTER CODE: RS 2RS Z ZZ
The sealing material is made of skeleton rubber and has good dust-proof effect, which can prevent any foreign matter from invading and dust and water in a harsh environment.
Main Features1.Bearing moves very Fast & Quiet, with very smooth hand feeling
2.High precision, long life, low noise
3.High-end technology
4.Good after-sales service
Company Profile
HangZhou CZPT Machinery Technology Co., Ltd is industry and trade company which modern enterprise integrating scientific research, development, manufacture and trading. Based on integrity, responsibility and cooperation, our company have professional R&D and sales team, providing one-stop service for customers. Our company mainly products is Bearing, Jack Hammer, Screw Air Compressor, Piston Air Compressor and Other Machinery Hardware Product etc.
After many years of production and research and development, we have obtained more than 20 national patents. The products are sold at home and abroad and are well received by customers. Our products sold at home and abroad, after get the self-managemert import and export rights, our products are exported to Vietnam, Indonesia, Philippines, Cambodia, Pakistan, Afghanistan and other countries and regions.
Application
Electric motors and generators
Agriculture
Material handling
Industrial transmissions
Food and beverage
Industrial pumps
Industrial fans
Two and 3 wheelers
Cars and light trucks
Packaging & Shipping
Customer feedback
FAQ
Q1: Are you factory or trade company?
A1: We are factory. And we have our own trading company.
Q2: What the exactly address of your factory?
A2: Our company is located in Xihu (West Lake) Dis. East Road, Xihu (West Lake) Dis. District, HangZhou, ZHangZhoug, China.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: What about the voltage of products? Can they be customized?
A4: Yes, of course. The voltage can be customized according to your equipment.
Q5: Which payment term can you accept?
A5: 30% T/T in advance, 70% T/T against the B/L copy.
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
Q7: Which trade term can you accept?
A7: Available trade terms: FOB, CIF, CFR, EXW, CPT, 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(/(.*?):(.*)$/))&&1
| After-sales Service: | Provided |
|---|---|
| Type: | Engine Bearing |
| Material: | Chrome Steel |
| Tolerance: | P0 |
| Clearance: | C2 |
| ABS: | Without ABS |
| Samples: |
US$ 0/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.

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.


editor by CX 2024-05-14
China manufacturer China Manufacturer Auto Parts Machinery Roller Bearing Thrust Ball Bearing bearing example
Product Description
Company Profile
MKS Hydraulics ZheJiang Co., Ltd.is a scientific and professional bearing producing enterprise, gathering R&D, producing and sales as 1 integration.mainly operating on non-standard, special andgeneral bearings.
The company is especially focusing on the research and manufacture of general high-tech production with the 20 years R&D experience, professional R&D staff and advanced equipment, of which 8 sets are imported equipment and 40 sets are high-precision processing equipment. it has invested for building a modern workshop, including 1 Bainite heat processing workshop of world advanced level, 1 machine processing workshop, 2 moder thermostatic &no-dust roller grinders, assembly workshop, physical-chemical testing center, heating laboratory and moder-managed warehouse. Depending on the markets in China and abroad, the company puts an active attitude upon products R&D, resulting a healthy circulation of 1 development generation, 1 reserve generation, and 1 producion generation. The enterprise enlarges the R&D investment, creates own brand, and strives to increase the exporting products of high-tech & high value-added, gains the honorable sales result and grows into 1 of the largest R&D enterprise in China of non-standard bearing and special bearing.
The advanced technology, outstanding quaity and considerable service after sales with enthusiasm make us get the rapid development in quite short time of years, and now it becomes the largest developing and producing enterprise in Asia of concrete carrier truck, speed-reducing machine,mine-digging machine, hydraulic pump spindle bearing and crecent bearing. With the continuing and wholly new developing theory of Technology is the motivation and quality is the life, We are not only pursuing the leading position in China, but also determined to march into the worldwide bearing area during it developing process, The products are mainly applied on the industries of mine, metalurgy, engineering, machineny, machine tool,electronic machine and so on, The products have gained the excllent sales resul in the markets of Europe, Southeast Asia, Middle East and so on in a dozen of countries and areas.
Company Environment
Company Advantages
Packaging & Shipping
FAQ
1. how can we guarantee quality?
Always final Inspection before shipment;
2.what can you buy from us?
Auto Bearing,Bearing Housing,Taper Roller Bearing,Casting,Hydraulic pump,Hydraulic parts,excavator parts and so on.
Ceep groove ball bearing/Self aligning ball bearing/Cylindrical roller bearing/Spherical roller bearing/ Angular contact ball bearing/Tapered roller bearing/ Thrust ball bearing/Thrust cylindrical roller bearing/Needle roller bearing
3. why should you buy from us not from other suppliers?
One stop bearing and mechanical customized parts,
Designed bearing,
Small quantity order available
Factory price offer
OEM ODM bearing service
4.What is the transportation?
lf small quantity,we suggest to send by express,such as DHL,UPS,TNT FEDEX flarge amount,by air or sea shipping.
5.Can we design packaging?
Except regular packing,and we can make customer’s own packing.
6.What’s your payment method?
We can accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, MoneyGram etc.
7.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
8.Is the company a production factory or a trading company?
MKS company is a manufacturing enterprise focusing on bearings ,hydraulic pumps and hydraulic parts , produce and sales.
If you have any questions,Please contact us,We must be reply quickly.
/* 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(/(.*?):(.*)$/))&&1
| Raceway Super Finishing: | Yes |
|---|---|
| Bearing Grade: | P3 |
| Service: | OEM / ODM Customized Logo |
| Shipment: | by Sea, by Air, by Express |
| Quality: | Good /High Quality |
| Features: | High Precision, High Speed, Long Life |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

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 2024-05-13
China best Hot Selling Thin Wall 61802 61803 61804 61805 6802 6803 6804 6805 C3 Deep Groove Ball Bearings for Motorcycle Parts bearing driver
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) |
| 61802 | 15 | 24 | 5 | 22000 | 30000 | 2.1 | 1.3 | 0.005 |
| 61803 | 17 | 25 | 5 | 20000 | 28000 | 2.2 | 1.5 | 0.007 |
| 61804 | 20 | 32 | 7 | 18000 | 24000 | 3.5 | 2.2 | 0.015 |
| 61805 | 25 | 37 | 7 | 16000 | 20000 | 4.3 | 2.9 | 0.017 |
| 61806 | 30 | 42 | 7 | 13000 | 17000 | 4.7 | 3.6 | 0.019 |
| 61807 | 35 | 47 | 7 | 11000 | 15000 | 4.9 | 4.0 | 0.571 |
| 61808 | 40 | 52 | 7 | 10000 | 13000 | 5.1 | 4.4 | 0.026 |
| 61809 | 45 | 58 | 7 | 9000 | 12000 | 6.4 | 5.6 | 0.03 |
| 61810 | 50 | 65 | 7 | 8500 | 10000 | 6.6 | 6.1 | 0.043 |
| 61811 | 55 | 72 | 9 | 8000 | 9500 | 9.1 | 8.4 | 0.07 |
| 61812 | 60 | 78 | 10 | 7000 | 8500 | 9.1 | 8.7 | 0.093 |
| 61813 | 65 | 85 | 10 | 6700 | 8000 | 11.9 | 11.5 | 0.13 |
| 61814 | 70 | 90 | 10 | 6300 | 7500 | 12.1 | 11.9 | 0.138 |
| 61815 | 75 | 95 | 10 | 6000 | 7000 | 12.7 | 14.3 | 0.15 |
| 61816 | 80 | 100 | 10 | 5600 | 6700 | 13 | 15 | 0.15 |
| 61817 | 85 | 110 | 13 | 5500 | 6500 | 18.5 | 19.5 | 0.27 |
| 61818 | 90 | 115 | 13 | 5100 | 6300 | 19 | 20.1 | 0.28 |
| 61819 | 95 | 120 | 13 | 5000 | 6000 | 19.3 | 20.4 | 0.3 |
| 61820 | 100 | 125 | 13 | 1679 | 1960 | 45.6 | 62.6 | 0.31 |
| 61821 | 105 | 130 | 13 | 1650 | 1900 | 49.5 | 65.3 | 0.32 |
| 61822 | 110 | 140 | 16 | 1596 | 1830 | 50.6 | 73.6 | 0.6 |
| 61824 | 120 | 150 | 16 | 1560 | 1780 | 58.7 | 76 | 0.65 |
| 61826 | 130 | 165 | 18 | 1500 | 1720 | 60.3 | 79.2 | 0.93 |
| 61828 | 140 | 175 | 18 | 1474 | 1688 | 65.5 | 81 | 0.99 |
| 61830 | 150 | 190 | 20 | 1446 | 1653 | 68.9 | 85 | 1.5 |
| 61832 | 160 | 200 | 20 | 1410 | 1648 | 70.4 | 88.2 | 1.45 |
| 61834 | 170 | 215 | 22 | 1395 | 1624 | 74.8 | 90.8 | 1.9 |
| 61836 | 180 | 225 | 24 | 1364 | 1613 | 78.4 | 99.4 | 2 |
| 61838 | 190 | 240 | 24 | 1343 | 1598 | 109.5 | 140.1 | 2.6 |
| 61840 | 200 | 250 | 24 | 1310 | 1590 | 114.4 | 141.1 | 2.38 |
| 61844 | 220 | 270 | 24 | 1277 | 1568 | 146.7 | 146.5 | 3 |
/* 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(/(.*?):(.*)$/))&&1
| Material: | Bearing Steel / Stainless Steel |
|---|---|
| Seals Options: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr / |
| Rows Number: | Single / Double |
| Tolerance: | P0 P6 P5 |
| MOQ: | One Pallet |
| Lubrication: | Grease or Oil |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

What 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 Good quality USA Popular Deep Groove Ball Bearing Auto Parts with Best Sales
Product Description
Specification
The type of deep groove ball Bearing 60 series component materials used automobile, tractor, machinery, motor, water pump, agricultural machinery and textile machinery. Its wide application, simple design, non – separation, suitable for high – speed, reliable operation, low maintenance costs.The tight consistency between deep raceway and groove and ball enables deep raceway ball bearings to withstand axial loads in both directions in addition to radial loads.
Product Parameters
Application
1. Automatic controlling machine
2. Semi-conductor industry
3. General industry machinery
4. Medical equipment
5. Solar energy equipment
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment, etc.
Packaging & Shipping
| Packaging Detail | 1.Industrial Exporting Package 2. Individual plastic/Carton/pallet 3. As the customers’ requirements |
| Delivery Detail | 30-45 days for normal order |
About us
HangZhou Kent bearing company was established in 2003 and is 1 of the leading bearing manufacturers and exporters in China. Kent specializes in the design and production of high precision, high speed and low noise groove ball bearings and pillow block bearings. At present, the Corporation has more than 1,000 employees, a fixed assets of 2 billion yuan, and produces 250 million sets of bearings annually. The Corporation’s products are widely used in more than 50 countries and regions under 2 independent brands, namely “BUGAO” and “NBKT”.
Research and Development
Since 2003, the Corporation has set up a Research & Development Center equipped with multiple laboratories used for precision measurement, mechanical testing, lifespan testing, and physicochemical testing, to continuously upgrade its skills and raise its manufacturing standard and product’s precision. Our workshops are installed with a series of advanced numerically-controlled, grinding and assembly equipment that utilize centralized filtration and cooling systems. Together with the production equipment suppliers, we developed these grinding, ultra-precision, fully automated integrated production lines, and own the intellectual property rights. The precision level of the products are at P5 level and above, with noise level CZPT Z4, V4 and above. Some of our projects have exceeded the 30% precision reserves. Our products are widely used in electric motors, automobiles, motorcycles, household appliances, textile, electric tools and water pump equipment industries, both locally and globally.
Why choose us?
▄ HangZhou Kent bearing Co.,Ltd established in 2003, has been focused on high precision and low noise deep groove ball bearing research and manufacturing. Engaged in foreign trade for 16 years, we provide products for many industrial fields. We attach important to global production, Not only won wideapresd praise in the domestic market, but also gain the recognition of foreign market, such as European,Southeast Asian and Africa market.
▄ The company has more than 20 assembly lines, and through ISO9001:2000 quality management system certification, has a professional technical and service team, technical personnel proportion of more than 30%. Over the years, we have been adhering to the use of high-end raw material production, from the first to every step, with excellent product development capabilities and strict quality control, we continue to expand the product line and application range.
▄ To learn from the advanced level at home and abroad, to create their own high-quality bearings, is the CZPT pursuit of Kent bearing company. Uphold the “True quality is more durable, let the bearing move more quieter”
business philosophy, we have received many customers good praise.
▄ Good Warranty we take customer satisfaction and product quality as the first priority for us, we supply reliable warranties and good after-sales services.
FAQ
1.Q: Are you a factory or trading company?
A: We are factory specialized in manufacturing and exporting bearings.
2.Q: Where is your factory located? How can I visit there?
A: Our factory located in HangZhou county, HangZhou city . You can fly to HangZhou Lishe International Airport directly. All our customers, from home or abroad,are warmly welcome to visit our factory.
3.Q: Do you provide samples ? it is free charge?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
4.Q: What is your main product?
A: We are making 10 series and total about 100 types of bearings.
5.Q: What is the MOQ for bearings?
A: Our MOQ is 1000 pieces.
/* 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(/(.*?):(.*)$/))&&1
| Noise Standard: | Zv1 Zv2 Zv3 |
|---|---|
| Precision Rating: | P0, P6, P5 |
| Stock: | Rich |
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

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 2024-05-08
China best China 1688 Manufacturer in Stock 62 Serises 6236 6238 6240 Zz Deep Groove Ball Bearings for Auto Spare Parts wheel bearing
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards accorind 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) |
| 6201 | 12 | 32 | 10 | 19000 | 24000 | 6.82 | 3.05 | 0.037 |
| 6202 | 15 | 35 | 11 | 18000 | 22000 | 7.65 | 3.72 | 0.045 |
| 6203 | 17 | 40 | 12 | 16000 | 20000 | 9.58 | 4.78 | 0.065 |
| 6204 | 20 | 47 | 14 | 14000 | 18000 | 12.8 | 6.65 | 0.106 |
| 6205 | 25 | 52 | 15 | 13000 | 15000 | 14 | 7.85 | 0.128 |
| 6206 | 30 | 62 | 16 | 11000 | 13000 | 19.5 | 11.3 | 0.199 |
| 6207 | 35 | 72 | 17 | 9200 | 11000 | 25.7 | 15.4 | 0.288 |
| 6208 | 40 | 80 | 18 | 8000 | 10000 | 29.5 | 18 | 0.368 |
| 6209 | 45 | 85 | 19 | 7000 | 9000 | 31.5 | 20.5 | 0.416 |
| 6210 | 50 | 90 | 20 | 6700 | 8500 | 35 | 23.2 | 0.463 |
| 6211 | 55 | 100 | 21 | 6000 | 7500 | 43.2 | 29.2 | 0.603 |
| 6212 | 60 | 110 | 22 | 5600 | 7000 | 47.8 | 32.8 | 0.789 |
| 6213 | 65 | 120 | 23 | 5000 | 6300 | 57.2 | 40 | 0.99 |
| 6214 | 70 | 125 | 24 | 4800 | 6000 | 60.8 | 45 | 1.084 |
| 6215 | 75 | 130 | 25 | 4500 | 5600 | 66 | 49.5 | 1.171 |
| 6216 | 80 | 140 | 26 | 4300 | 5300 | 71.5 | 54.2 | 1.448 |
| 6217 | 85 | 150 | 28 | 4000 | 5000 | 83.2 | 63.8 | 1.803 |
| 6218 | 90 | 160 | 30 | 3800 | 4800 | 95.8 | 71.5 | 2.17 |
| 6219 | 95 | 170 | 32 | 3600 | 4500 | 110 | 82.8 | 2.62 |
| 6220 | 100 | 180 | 34 | 3400 | 4300 | 122 | 92.8 | 3.19 |
| 6221 | 105 | 190 | 36 | 3200 | 4000 | 133 | 105 | 3.78 |
| 6222 | 110 | 200 | 38 | 3000 | 3800 | 144 | 117 | 4.42 |
| 6224 | 120 | 215 | 40 | 2600 | 3400 | 155 | 131 | 5.3 |
| 6226 | 130 | 230 | 40 | 2400 | 3200 | 165 | 148 | 6.12 |
| 6228 | 140 | 250 | 42 | 2000 | 2800 | 179 | 167 | 7.77 |
| 6230 | 150 | 270 | 45 | 1900 | 2600 | 203 | 199 | 9.78 |
| 6232 | 160 | 290 | 48 | 1800 | 2400 | 215 | 218 | 12.22 |
| 6234 | 170 | 310 | 52 | 1700 | 2200 | 245 | 260 | 15.241 |
| 6236 | 180 | 320 | 52 | 1600 | 2000 | 262 | 285 | 15.518 |
| 6238 | 190 | 340 | 55 | 1500 | 1900 | 285 | 322 | 18.691 |
| 6240 | 200 | 360 | 58 | 1400 | 1800 | 288 | 332 | 22.577 |
/* 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(/(.*?):(.*)$/))&&1
| Material Option 2: | Stainless Steel |
|---|---|
| MOQ: | One Pallet |
| Seals Options: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr / |
| Lubrication: | Grease or Oil |
| Cage: | SPCC, PA66, Copper, Stainless Steel |
| Seals: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr / |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

What 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 2024-05-07
China high quality China Factory Forklift Parts Deep Groove Ball Bearing 6304-2RS/C3 bearing bronze
Product Description
China Factory forklift parts Deep Groove Ball Bearing 6304-2RS/C3
Product Description
Our advantages:To provide the most suitable superior bearings for global customers
1. Provide different materials: stainless steel, bearing steel, carbon steel, ceramics, plastics
2. Provide different quality: ABEC9 ABEC7 ABEC5 ABEC3 ABEC0
3. Provide different brands:I .N. A S.K.F F.A.G NSK CZPT CZPT HCH EDINH
4. OEM services: LOGO customization, packaging customization,
According to the sizes 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 bearings ;
( 3 ) small and medium sized bearing —- nominal diameter size range of 60-115mm bearings ;
( 4) large bearing —- nominal diameter size range of 120-190mm bearing
( 5 ) Large bearing —- nominal diameter size range of 200-430mm bearings ;
( 6 ) large bearings —- nominal diameter size range of 440mm or more bearings.
Deep groove ball Applications:
Deep groove ball bearings can be used for transmission, instrumentation, motors, appliances,
internal combustion engines, transportation vehicles, agricultural machinery, construction machinery,
engineering machinery , roller skate style , yo-yo , precision instruments, low noise motors,
automobiles , motorcycles vehicles.
| designation | Dimensions | Mass | |||
| d | D | B | KG | ||
| 6204-RS | 6204-2RS | 20 | 47 | 14 | 0.103 |
| 6205-RS | 6205-2RS | 25 | 52 | 15 | 0.127 |
| 6206-RS | 6206-2RS | 30 | 62 | 16 | 0.203 |
| 6207-RS | 6207-2RS | 35 | 72 | 17 | 0.287 |
| 6208-RS | 6208-2RS | 40 | 80 | 18 | 0.367 |
| 6209-RS | 6209-2RS | 45 | 85 | 19 | 0.416 |
| 6210-RS | 6210-2RS | 50 | 90 | 20 | 0.462 |
| 6211-RS | 6211-2RS | 55 | 100 | 21 | 0.607 |
| 6212-RS | 6212-2RS | 60 | 110 | 22 | 0.783 |
| 6213-RS | 6213-2RS | 65 | 120 | 23 | 0.99 |
| 6214-RS | 6214-2RS | 70 | 125 | 24 | 1.1 |
| 6215-RS | 6215-2RS | 75 | 130 | 25 | 1.2 |
| 6216-RS | 6216-2RS | 80 | 140 | 26 | 1.4 |
| 6217-RS | 6217-2RS | 85 | 150 | 28 | 1.8 |
| 6218-RS | 6218-2RS | 90 | 160 | 30 | 2.15 |
| 6219-RS | 6219-2RS | 95 | 170 | 32 | 2.6 |
| 6220-RS | 6220-2RS | 100 | 180 | 34 | 3.2 |
| 6221-RS | 6221-2RS | 105 | 190 | 36 | 3.71 |
| 6222-RS | 6222-2RS | 110 | 200 | 38 | 4.44 |
| 6224-RS | 6224-2RS | 120 | 215 | 40 | 5.32 |
| 6226-RS | 6226-2RS | 130 | 230 | 40 | 6.13 |
| 6228-RS | 6228-2RS | 140 | 250 | 42 | 7.45 |
| 6230-RS | 6230-2RS | 150 | 270 | 45 | 9.4 |
| 6302-RS | 6302-2RS | 15 | 42 | 13 | 0.082 |
| 6303-RS | 6303-2RS | 17 | 47 | 14 | 0.115 |
| 6304-RS | 6304-2RS | 20 | 52 | 15 | 0.141 |
| 6305-RS | 6305-2RS | 25 | 62 | 17 | 0.219 |
| 6306-RS | 6306-2RS | 30 | 72 | 19 | 0.35 |
| 6307-RS | 6307-2RS | 35 | 80 | 21 | 0.454 |
| 6308-RS | 6308-2RS | 40 | 90 | 23 | 0.639 |
| 6309-RS | 6309-2RS | 45 | 100 | 25 | 0.836 |
| 6310-RS | 6310-2RS | 50 | 110 | 27 | 1.05 |
| 6311-RS | 6311-2RS | 55 | 120 | 29 | 1.35 |
| 6312-RS | 6312-2RS | 60 | 130 | 31 | 1.7 |
| 6313-RS | 6313-2RS | 65 | 140 | 33 | 2.1 |
| 6314-RS | 6314-2RS | 70 | 150 | 35 | 2.5 |
| 6315-RS | 6315-2RS | 75 | 160 | 37 | 3 |
| 6316-RS | 6316-2RS | 80 | 170 | 39 | 3.6 |
| 6317-RS | 6317-2RS | 85 | 180 | 41 | 4.25 |
| 6318-RS | 6318-2RS | 90 | 190 | 43 | 4.9 |
| N0. | Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 604 | 4 | 12 | 4 | 0.2 | 0.97 | 0.36 | 36000 | 44000 | 0.0571 |
| 605 | 5 | 14 | 5 | 0.2 | 1.33 | 0.505 | 32000 | 40000 | 0.0035 |
| 606 | 6 | 17 | 6 | 0.3 | 2.19 | 0.865 | 30000 | 38000 | 0.006 |
| 607 | 7 | 19 | 6 | 0.3 | 2.24 | 0.91 | 28000 | 36000 | 0.008 |
| 608 | 8 | 22 | 7 | 0.3 | 3.35 | 1.4 | 26000 | 34000 | 0.012 |
| 609 | 9 | 24 | 7 | 0.3 | 3.4 | 1.45 | 24000 | 32000 | 0.014 |
| 6000 | 10 | 26 | 8 | 0.3 | 4.55 | 1.96 | 22000 | 30000 | 0.019 |
| 6001 | 12 | 28 | 8 | 0.3 | 5.1 | 2.39 | 19000 | 26000 | 0.571 |
| 6002 | 15 | 32 | 9 | 0.3 | 5.6 | 2.83 | 18000 | 24000 | 0.03 |
| 6003 | 17 | 35 | 10 | 0.3 | 6.8 | 3.35 | 17000 | 22000 | 0.039 |
| 6004 | 20 | 42 | 12 | 0.6 | 9.4 | 5.05 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 0.6 | 10.1 | 5.85 | 14000 | 18000 | 0.08 |
| 6006 | 30 | 55 | 13 | 0.6 | 13.2 | 8.3 | 12000 | 15000 | 0.116 |
| 6007 | 35 | 62 | 14 | 1.0 | 16 | 10.3 | 10000 | 14000 | 0.115 |
| 6008 | 40 | 68 | 15 | 1.0 | 16.8 | 11.5 | 8000 | 11000 | 0.19 |
|
N0. |
Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 624 | 4 | 13 | 5 | 0.2 | 1.15 | 0.4 | 36000 | 45000 | 0.0032 |
| 625 | 5 | 16 | 5 | 0.3 | 1.76 | 0.680 | 32000 | 40000 | 0.0050 |
| 626 | 6 | 19 | 6 | 0.3 | 2.34 | 0.885 | 28000 | 36000 | 0.0080 |
| 627 | 7 | 22 | 7 | 0.3 | 3.35 | 1.400 | 26000 | 34000 | 0.0130 |
| 628 | 8 | 24 | 8 | 0.3 | 4.00 | 1.590 | 24000 | 32000 | 0.0170 |
| 629 | 9 | 26 | 8 | 0.3 | 4.55 | 1.960 | 22000 | 30000 | 0.0190 |
| 6200 | 10 | 30 | 9 | 0.6 | 5.10 | 2.390 | 19000 | 26000 | 0.0300 |
| 6201 | 12 | 32 | 10 | 0.6 | 6.10 | 2.750 | 18000 | 24000 | 0.0360 |
| 6202 | 15 | 35 | 11 | 0.6 | 7.75 | 3.600 | 17000 | 22000 | 0.0460 |
| 6203 | 17 | 40 | 12 | 0.6 | 9.60 | 4.600 | 16000 | 20000 | 0.0650 |
| 6204 | 20 | 47 | 14 | 1.0 | 12.80 | 6.650 | 14000 | 18000 | 0.1070 |
| 6205 | 25 | 52 | 15 | 1.0 | 14.00 | 7.850 | 12000 | 16000 | 0.1250 |
| 6206 | 30 | 62 | 16 | 1.0 | 19.50 | 11.300 | 10000 | 13000 | 0.2571 |
|
N0. |
Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 6300 | 10 | 35 | 11 | 0.6 | 8.2 | 3.5 | 18000 | 24000 | 0.053 |
| 6301 | 12 | 37 | 12 | 1.0 | 9.7 | 4.2 | 17000 | 22000 | 0.06 |
| 6302 | 15 | 42 | 13 | 1.0 | 11.4 | 5.45 | 16000 | 20000 | 0.082 |
| 6303 | 17 | 47 | 14 | 1.0 | 13.5 | 6.55 | 15000 | 19000 | 0.115 |
| 6304 | 20 | 52 | 15 | 1.1 | 15.9 | 7.9 | 14000 | 17000 | 0.144 |
|
N0. |
Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 685 | 5 | 11 | 3 | 0.15 | 0.715 | 0.282 | 35000 | 45000 | 0.0011 |
| 686 | 6 | 13 | 3.5 | 0.15 | 1.08 | 0.44 | 33000 | 42000 | 0.0019 |
| 687 | 7 | 14 | 3.5 | 0.15 | 1.17 | 0.505 | 31000 | 40000 | 0.0571 |
| 688 | 8 | 16 | 4 | 0.2 | 1.61 | 0.715 | 29000 | 38000 | 0.0031 |
| 689 | 9 | 17 | 4 | 0.2 | 1.72 | 0.82 | 28000 | 36000 | 0.0032 |
| 6800 | 10 | 19 | 5 | 0.3 | 1.83 | 0.925 | 26000 | 34000 | 0.005 |
| 6801 | 12 | 21 | 5 | 0.3 | 1.92 | 1.04 | 22000 | 30000 | 0.006 |
| 6802 | 15 | 24 | 5 | 0.3 | 2.08 | 1.26 | 20000 | 28000 | 0.007 |
| 6803 | 17 | 26 | 5 | 0.3 | 2.23 | 1.46 | 19000 | 26000 | 0.008 |
| 6804 | 20 | 32 | 7 | 0.3 | 4 | 2.47 | 17000 | 22000 | 0.019 |
| 6805 | 25 | 37 | 7 | 0.3 | 4.3 | 2.95 | 15000 | 19000 | 0.571 |
| 6806 | 30 | 42 | 7 | 0.3 | 4.7 | 3.65 | 13000 | 17000 | 0.026 |
| 6807 | 35 | 47 | 7 | 0.3 | 4.9 | 4.05 | 11000 | 15000 | 0.571 |
|
N0. |
Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 693 | 3 | 8 | 3 | 0.15 | 0.56 | 0.18 | 44000 | 52000 | 0.0006 |
| 694 | 4 | 11 | 4 | 0.15 | 0.715 | 0.276 | 38000 | 47000 | 0.0018 |
| 695 | 5 | 13 | 4 | 0.2 | 1.08 | 0.43 | 34000 | 43000 | 0.0571 |
| 696 | 6 | 15 | 5 | 0.2 | 1.35 | 0.53 | 32000 | 40000 | 0.0038 |
| 697 | 7 | 17 | 5 | 0.3 | 1.61 | 0.715 | 30000 | 38000 | 0.0052 |
| 698 | 8 | 19 | 6 | 0.3 | 1.99 | 0.865 | 28000 | 36000 | 0.0073 |
| 690 | 9 | 20 | 6 | 0.3 | 2.48 | 1.09 | 27000 | 34000 | 0.0082 |
| 6900 | 10 | 22 | 6 | 0.3 | 2.7 | 1.27 | 25000 | 32000 | 0.009 |
| 6901 | 12 | 24 | 6 | 0.3 | 2.89 | 1.46 | 20000 | 28000 | 0.011 |
| 6902 | 15 | 28 | 7 | 0.3 | 3.65 | 2 | 19000 | 26000 | 0.016 |
| 6903 | 17 | 30 | 7 | 0.3 | 4.65 | 2.58 | 18000 | 24000 | 0.018 |
| 6904 | 20 | 37 | 9 | 0.3 | 6.4 | 3.7 | 17000 | 22000 | 0.036 |
| 6905 | 25 | 42 | 9 | 0.3 | 7.05 | 4.55 | 14000 | 18000 | 0.042 |
| 6906 | 30 | 47 | 9 | 0.3 | 7.25 | 5 | 12000 | 16000 | 0.048 |
| 6907 | 35 | 55 | 10 | 0.3 | 9.55 | 6.85 | 10000 | 14000 | 0.074 |
Detailed Photos
/* 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(/(.*?):(.*)$/))&&1
| Seals Type: | Zz 2RS Open |
|---|---|
| Precision Rating: | P0 P4 P5 P6 |
| Structure: | Ball Bearing |
| Clearance: | C0 C2 C3 C4 C5 |
| Vibration: | Z1V1 Z2V2 Z3V3 Z4V4 |
| Type: | Ball |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

What 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 2024-05-07
China Best Sales Low Price CZPT CZPT AC Series Contact Angle 25 7022AC 7228AC 7211acm 7307AC 7307acm 7316acm 7321acm Single Row Angular Contact Ball Bearing for Auto Parts connecting rod bearing
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards accorind to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
| Subject | Symbol | Description |
| Sealing & Sealing type | Z | Metal shield on 1 side. |
| ZZ | Metal shields on both sides. | |
| RS | Rubber seal on 1 side. | |
| 2RS | Rubber seals on both sides. | |
| ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
| 2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
| ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
| Cage Materials | J | Pressed steel cages |
| M | Solid brass cage | |
| F | Solid cage made from steel or iron | |
| Y | Pressed brass cages. | |
| T | Laminated phenolic cages. | |
| TN | Polyamide cages | |
| TH | Glass-fiber reinforced phenolic resin cages. | |
| TV | Polyamide cage | |
| Cage Designs | P | Window-type cage |
| H | Claw-type cage | |
| A | Cage guided on the bearing outer ring | |
| B | Cage-guided on the bearing inner ring | |
| S | Cage with lubricating slots in the guiding surfaces | |
| D | Carbonitriding cage | |
| W | Welded cage | |
| R | Riveted Cage | |
| Cage Types | N/A | Claw-type cage |
| Ribbon cage | ||
| Crown cage | ||
| Sunflower cage | ||
| Tapered cage | ||
| Tolerances | PN(P0) | Bearings in standard tolerance |
| P6 | Tighter tolerance than standard bearings | |
| P5 | Tolerance tighter than P6 | |
| P4 | Tolerance tighter than P5 | |
| P2 | Tolerance tighter than P4 | |
| Contact Angle | C | Contact angle 15˚. |
| AC | Contact angle 25˚. | |
| CA | Contact angle 20˚. | |
| E | Contact angle 35˚. | |
| B | Contact angle 40˚. | |
| Bearing Sets | DB | Two bearings: back-to-back. |
| DF | Two bearings: face-to-face. | |
| DT | Two bearings: in tandem. | |
| TBT | Three bearings: tandem and back-to-back. | |
| TFT | Three bearings: tandem and face-to-face. | |
| QFC | Four bearings: tandem and face-to-face. | |
| DB | Two bearings: back-to-back. | |
| DF | Two bearings: face-to-face. |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
| Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
| Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
| 7200C | 10 | 30 | 9 | 18000 | 26000 | 5.81 | 2.93 | 0.032 |
| 7200AC | 10 | 30 | 9 | 18000 | 26000 | 5.5 | 2.85 | 0.032 |
| 7200B | 10 | 30 | 9 | 16000 | 25000 | 5.3 | 2.7 | 0.032 |
| 7201C | 12 | 32 | 10 | 17000 | 24000 | 7.3 | 3.4 | 0.039 |
| 7201AC | 12 | 32 | 10 | 17000 | 24000 | 7.09 | 3.3 | 0.039 |
| 7201B | 12 | 32 | 10 | 15000 | 23000 | 6.9 | 3.2 | 0.039 |
| 7202C | 15 | 35 | 11 | 16000 | 22000 | 8.6 | 4.5 | 0.048 |
| 7202AC | 15 | 35 | 11 | 16000 | 22000 | 8.3 | 4.3 | 0.048 |
| 7202B | 15 | 35 | 11 | 15000 | 21000 | 7.9 | 4.2 | 0.048 |
| 7203C | 17 | 40 | 12 | 15000 | 20000 | 10.8 | 6.1 | 0.069 |
| 7203AC | 17 | 40 | 12 | 15000 | 20000 | 10.5 | 5.6 | 0.069 |
| 7203B | 17 | 40 | 12 | 14000 | 19000 | 9.9 | 5.5 | 0.069 |
| 7204C | 20 | 47 | 14 | 13000 | 18000 | 15.5 | 8.9 | 0.110 |
| 7204AC | 20 | 47 | 14 | 13000 | 18000 | 15 | 8.5 | 0.110 |
| 7204B | 20 | 47 | 14 | 12000 | 16000 | 13.4 | 7.6 | 0.110 |
| 7205C | 25 | 52 | 15 | 11000 | 16000 | 16.5 | 10 | 0.130 |
| 7205AC | 25 | 52 | 15 | 11000 | 16000 | 15.8 | 9.7 | 0.130 |
| 7205B | 25 | 52 | 15 | 10000 | 14000 | 14.8 | 9.3 | 0.130 |
| 7206C | 30 | 62 | 16 | 9000 | 13000 | 23 | 14.7 | 0.217 |
| 7206AC | 30 | 62 | 16 | 9000 | 13000 | 22.1 | 13.5 | 0.217 |
| 7206B | 30 | 62 | 16 | 8500 | 12000 | 20.5 | 13.5 | 0.217 |
| 7207C | 35 | 72 | 17 | 8000 | 11000 | 30.3 | 20 | 0.313 |
| 7207AC | 35 | 72 | 17 | 8000 | 11000 | 29.2 | 18 | 0.313 |
| 7207B | 35 | 72 | 17 | 7500 | 10000 | 28.3 | 14.8 | 0.313 |
| 7208C | 40 | 80 | 18 | 7500 | 10000 | 38.4 | 26.3 | 0.402 |
| 7208AC | 40 | 80 | 18 | 7500 | 10000 | 36.8 | 25.4 | 0.402 |
| 7208B | 40 | 80 | 18 | 6700 | 9000 | 34.5 | 23.8 | 0.402 |
| 7209C | 45 | 85 | 19 | 6700 | 9000 | 40.4 | 29.3 | 0.460 |
| 7209AC | 45 | 85 | 19 | 6700 | 9000 | 38.6 | 28.1 | 0.460 |
| 7209B | 45 | 85 | 19 | 6300 | 8500 | 34 | 24.6 | 0.460 |
| 7210C | 50 | 90 | 20 | 6300 | 8500 | 42.8 | 31.3 | 0.510 |
| 7210AC | 50 | 90 | 20 | 6300 | 8500 | 40.8 | 30.1 | 0.510 |
| 7210B | 50 | 90 | 20 | 5600 | 8000 | 40.4 | 25.6 | 0.510 |
| 7211C | 55 | 100 | 21 | 5600 | 7000 | 53.2 | 39.9 | 0.680 |
| 7211AC | 55 | 100 | 21 | 5600 | 7000 | 50.8 | 38.2 | 0.680 |
| 7211B | 55 | 100 | 21 | 5300 | 7000 | 46.3 | 36 | 0.680 |
| 7212C | 60 | 110 | 22 | 5300 | 7000 | 61 | 48.2 | 1.571 |
| 7212AC | 60 | 110 | 22 | 5300 | 7000 | 58.1 | 46 | 1.571 |
| 7212B | 60 | 110 | 22 | 4800 | 6300 | 56.1 | 44.3 | 1.571 |
| 7213C | 65 | 120 | 23 | 4800 | 6300 | 69.8 | 54.4 | 1.090 |
| 7213AC | 65 | 120 | 23 | 4800 | 6300 | 66.6 | 52.1 | 1.090 |
| 7213B | 65 | 120 | 23 | 4300 | 6000 | 65.7 | 50.2 | 1.090 |
| 7214C | 70 | 125 | 24 | 4500 | 5800 | 72.8 | 59.7 | 1.180 |
| 7214AC | 70 | 125 | 24 | 4500 | 5800 | 69.4 | 57 | 1.180 |
| 7214B | 70 | 125 | 24 | 4000 | 5600 | 70.4 | 56.3 | 1.180 |
| 7215C | 75 | 130 | 25 | 4300 | 5600 | 79.2 | 65.6 | 1.320 |
| 7215AC | 75 | 130 | 25 | 4300 | 5600 | 75.3 | 62.8 | 1.320 |
| 7215B | 75 | 130 | 25 | 3800 | 5300 | 68.6 | 58.2 | 1.320 |
| 7216C | 80 | 140 | 26 | 4000 | 5300 | 92.5 | 66.2 | 1.570 |
| 7216AC | 80 | 140 | 26 | 4000 | 5300 | 91.3 | 65.1 | 1.570 |
| 7216B | 80 | 140 | 26 | 4000 | 5300 | 78.7 | 65.7 | 1.570 |
| 7217C | 85 | 150 | 28 | 3800 | 5000 | 99.7 | 84.6 | 2.571 |
| 7217AC | 85 | 150 | 28 | 3800 | 5000 | 94.9 | 80.8 | 2.571 |
| 7217B | 85 | 150 | 28 | 3600 | 4800 | 83.2 | 74.1 | 2.571 |
| 7218C | 90 | 160 | 30 | 3600 | 4800 | 128 | 111.7 | 2.470 |
| 7218AC | 90 | 160 | 30 | 3600 | 4800 | 122 | 106.5 | 2.470 |
| 7218B | 90 | 160 | 30 | 3200 | 4300 | 107.6 | 92.4 | 2.470 |
| 7219C | 95 | 170 | 32 | 3400 | 4500 | 134.6 | 112.2 | 3.571 |
| 7219AC | 95 | 170 | 32 | 3400 | 4500 | 128.4 | 107.8 | 3.571 |
| 7219B | 95 | 170 | 32 | 3000 | 4000 | 121.4 | 106.7 | 3.571 |
| 7220C | 100 | 180 | 34 | 3200 | 4300 | 148 | 125 | 3.620 |
| 7220AC | 100 | 180 | 34 | 3200 | 4300 | 142 | 120.6 | 3.620 |
| 7220B | 100 | 180 | 34 | 2800 | 3800 | 140 | 102.5 | 3.620 |
| 7221C | 105 | 190 | 36 | 3000 | 4000 | 166.6 | 138.6 | 4.290 |
| 7221AC | 105 | 190 | 36 | 3000 | 4000 | 159 | 135.1 | 4.290 |
| 7221B | 105 | 190 | 36 | 2800 | 3800 | 143.3 | 128.5 | 4.290 |
| 7222C | 110 | 200 | 38 | 2800 | 3800 | 184.7 | 154.8 | 5.030 |
| 7222AC | 110 | 200 | 38 | 2800 | 3800 | 176.3 | 151.2 | 5.030 |
| 7222B | 110 | 200 | 38 | 2400 | 3400 | 153.8 | 144.3 | 5.030 |
| 7224C | 120 | 215 | 40 | 2400 | 3400 | 203.1 | 178.4 | 7.080 |
| 7224AC | 120 | 215 | 40 | 2400 | 3400 | 193.6 | 170.9 | 7.080 |
| 7224B | 120 | 215 | 40 | 2200 | 3200 | 165.4 | 161.4 | 7.080 |
| 7226C | 130 | 230 | 40 | 2000 | 3000 | 206.6 | 209.2 | 8.100 |
| 7226AC | 130 | 230 | 40 | 2000 | 3000 | 196.4 | 200.1 | 8.100 |
| 7226B | 130 | 230 | 40 | 1800 | 2800 | 170.8 | 174.2 | 8.100 |
| 7228C | 140 | 250 | 42 | 2000 | 2800 | 227.2 | 238.3 | 9.950 |
| 7228AC | 140 | 250 | 42 | 2000 | 2800 | 216.9 | 227.4 | 9.950 |
| 7228B | 140 | 250 | 42 | 1800 | 2600 | 212.2 | 197.3 | 9.950 |
| 7232AC | 160 | 290 | 48 | 1700 | 2400 | 250 | 288 | 15.49 |
| 7234AC | 170 | 310 | 52 | 1600 | 2200 | 281 | 341 | 19.69 |
| 7236AC | 180 | 320 | 52 | 2200 | 2700 | 293 | 362 | 20.26 |
| 7238AC | 190 | 340 | 55 | 2000 | 2500 | 303 | 390 | 24.31 |
| 7240AC | 200 | 360 | 58 | 1300 | 1800 | 343 | 449 | 28.82 |
| 7244AC | 220 | 400 | 65 | 1100 | 1600 | 358 | 482 | 33.60 |
| 7248AC | 240 | 440 | 72 | 1500 | 1800 | 403 | 595 | 51.8 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 5/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.

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2024-05-02
China wholesaler Wire Textile Winder Machine Parts Traverse Linear Actuator Deep Groove Ball Bearing wholesaler
Product Description
Product Description
Wire textile winder machine parts traverse linear actuator deep groove ball bearing
Manufacturer of automatic linear transmission gear with well-equipped testing facilities and strong technical force
Detailed Photos
Packaging & Shipping
|
Package Material
|
Carton |
|
Package Detail
|
10 pieces or 5 pieces per pag |
|
Delivery Way |
Deliver the goods by express, like UPS, DHL, FedEx or by sea shipment or according to customer’s requirement |
Product Application
Special Bearing for Rolling Ring Traverse Drive
Company Profile
ZheJiang Xihu (West Lake) Dis. Machinery Co., Ltd.
A manufacturer of automatic linear transmission gear with well-equipped testing facilities and strong technical force.
We are producing and selling: rolling ring drives, linear drives, linear drives nut, wire straightener, automatic wire straightening and cutting machine, automatic coiling & packaging machine, drawing and rolling machine, automatic yarn winding machine and accessories for rolling ring drives.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in carton boxes or wooden boxes.
Q2. What is your terms of payment?
A: T/T 100% paymeny in advance, or 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will send this product within 3 or 5 days after receiving your payment. The specific delivery time depends on the items and the quantity of your order.
Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Core Components: | Roller Bearing |
|---|---|
| Transport Package: | Carton |
| Specification: | Bearing steel |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

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 2024-04-29
China Best Sales Agricultural Trailer Parts Qt500-7 Material Industrial Ball Turntable Bearings bearing and race
Product Description
Agricultural Trailer Parts QT5
/* 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
| | Customized Request 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 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. 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. 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. 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. 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. 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. 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. 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. 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. Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance: Ceramic Ball Bearings: Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear. Traditional Steel Ball Bearings: Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength. Ceramic Ball Bearings: Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings. Traditional Steel Ball Bearings: Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial. Ceramic Ball Bearings: Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important. Traditional Steel Ball Bearings: Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability. Ceramic Ball Bearings: Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries. Traditional Steel Ball Bearings: Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time. Ceramic Ball Bearings: Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion. Traditional Steel Ball Bearings: Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics. Ceramic Ball Bearings: Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components. Traditional Steel Ball Bearings: Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications. In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations. 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 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 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 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 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 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 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 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 are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments. 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.
Fax:
Add:
Zhudian Industrial Zone, Xihu (West Lake) Dis. District, HangZhou City, ZheJiang Province, China
Web:
uttrailerparts
Contact Angle:
Optional
Aligning:
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Separated:
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Rows Number:
Single, Double, Multi
Load Direction:
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Material:
Qt500-7
Samples:
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What are the Challenges Associated with Noise Reduction in Ball Bearings?

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?


editor by CX 2024-04-25
China OEM Electric Motor Ball Bearing 6000N auto parts bearing with Best Sales
Product Description
Electric Motor Ball Bearing 6000N auto parts bearing
Product Description
Deep groove bearing Specification
1.Bearing Factory more than 28 years
2.Own brand :F&D bearing ,CBB brand look for distributor and agents.
3.OEM Accepted.
4.ISO9001:2000. TS16949.
The type of Electric Motor Ball Bearing 6000N auto parts bearing component materials used will determine the life span, reliability and performance of the bearings. However, there are many factors affecting the performance of the bearings which include the selection of the load carrying capacity, the rolling contact conditions, and the cleanliness of the operating environment and the dimensional stability of the bearing components.
Product Parameters
Fuda bearing company has adopted the carbon-chromium steel material(Gcr15) in our productionof the bearing.
| Bearing No. | I.D | O.D | W | Loading Rating(KN) | Steel Ball Parameter | Max Speed | ||||||
| d | D | B | Dynamic | Static | No. | Size | Grease | Oil | ||||
| mm | inch | mm | inch | mm | inch | Cr | Cor | mm | r/min | r/min | ||
| 6000 | 10 | 0.3937 | 26 | 1.5716 | 8 | 0.3150 | 4.55 | 1.95 | 7 | 4.763 | 29000 | 34000 |
| 6001 | 12 | 0.4724 | 28 | 1.1571 | 8 | 0.3150 | 5.10 | 2.39 | 8 | 4.763 | 26000 | 30000 |
| 6002 | 15 | 0.5906 | 32 | 1.2598 | 9 | 0.3543 | 5.60 | 2.84 | 9 | 4.763 | 22000 | 26000 |
| 6003 | 17 | 0.6693 | 35 | 1.3780 | 10 | 0.3937 | 6.80 | 3.35 | 10 | 4.763 | 20000 | 24000 |
| 6004 | 20 | 0.7874 | 42 | 1.6535 | 12 | 0.4724 | 9.40 | 5.05 | 9 | 6.350 | 18000 | 21000 |
| 6005 | 25 | 0.9843 | 47 | 1.8504 | 12 | 0.4724 | 10.10 | 5.85 | 10 | 6.350 | 15000 | 18000 |
| 6006 | 30 | 1.1811 | 55 | 2.1654 | 13 | 0.5118 | 13.20 | 8.30 | 11 | 7.144 | 13000 | 15000 |
| 6007 | 35 | 1.3780 | 62 | 2.4409 | 14 | 0.5512 | 16.00 | 10.30 | 11 | 7.938 | 12000 | 14000 |
| 6008 | 40 | 1.5748 | 68 | 2.6772 | 15 | 0.5906 | 16.80 | 11.50 | 12 | 7.938 | 10000 | 12000 |
| 6009 | 45 | 1.7717 | 75 | 2.9528 | 16 | 0.6299 | 21.00 | 15.10 | 12 | 8.731 | 9200 | 11000 |
| 6571 | 50 | 1.9685 | 80 | 3.1496 | 16 | 0.6299 | 21.80 | 16.60 | 13 | 8.731 | 8400 | 9800 |
| 6011 | 55 | 2.1654 | 90 | 3.5433 | 18 | 0.7087 | 28.30 | 21.20 | 12 | 11.000 | 7700 | 9000 |
| 6012 | 60 | 2.3622 | 95 | 3.7402 | 18 | 0.7087 | 29.50 | 23.20 | 13 | 11.000 | 7000 | 8300 |
| 6013 | 65 | 2.5591 | 100 | 3.9370 | 18 | 0.7087 | 30.50 | 25.20 | 13 | 11.112 | 6500 | 7700 |
| 6014 | 70 | 2.7559 | 110 | 4.3307 | 20 | 0.7874 | 38.00 | 31.00 | 13 | 12.303 | 6100 | 7100 |
| 6015 | 75 | 2.9528 | 115 | 4.5276 | 20 | 0.7874 | 39.50 | 33.50 | 14 | 12.303 | 5700 | 6700 |
| 6016 | 80 | 3.1496 | 125 | 4.9213 | 22 | 0.8661 | 47.50 | 40.00 | 14 | 13.494 | 5300 | 6200 |
| Bearing No. | I.D | O.D | W | Loading Rating(KN) | Steel Ball Parameter | Max Speed | ||||||
| d | D | B | Dynamic | Static | No. | Size | Grease | Oil | ||||
| mm | inch | mm | inch | mm | inch | Cr | Cor | mm | r/min | r/min | ||
| 6200 | 10 | 0.3937 | 30 | 1.1811 | 9 | 0.3543 | 5.10 | 2.39 | 8 | 4.763 | 25000 | 30000 |
| 6201 | 12 | 0.4724 | 32 | 1.2598 | 10 | 0.3937 | 6.10 | 2.75 | 7 | 5.953 | 22000 | 26000 |
| 6202 | 15 | 0.5906 | 35 | 1.3780 | 11 | 0.4331 | 7.75 | 3.60 | 8 | 5.953 | 19000 | 23000 |
| 6203 | 17 | 0.6693 | 40 | 1.5748 | 12 | 0.4724 | 9.60 | 4.60 | 8 | 6.747 | 18000 | 21000 |
| 6204 | 20 | 0.7874 | 47 | 1.8504 | 14 | 0.5512 | 12.80 | 6.65 | 8 | 7.938 | 16000 | 18000 |
| 6205 | 25 | 0.9843 | 52 | 2.571 | 15 | 0.5906 | 14.00 | 7.85 | 9 | 7.938 | 13000 | 15000 |
| 6206 | 30 | 1.1811 | 62 | 2.4409 | 16 | 0.6299 | 19.50 | 11.30 | 9 | 9.525 | 11000 | 13000 |
| 6207 | 35 | 1.3780 | 72 | 2.8346 | 17 | 0.6693 | 25.70 | 15.30 | 9 | 11.112 | 9800 | 11000 |
| 6208 | 40 | 1.5748 | 80 | 3.1496 | 18 | 0.7087 | 29.10 | 17.80 | 9 | 12.000 | 8700 | 10000 |
| 6209 | 45 | 1.7717 | 85 | 3.3465 | 19 | 0.7480 | 32.50 | 20.40 | 10 | 12.000 | 7800 | 9200 |
| 6210 | 50 | 1.9685 | 90 | 3.5433 | 20 | 0.7874 | 35.00 | 23.20 | 10 | 12.700 | 7100 | 8300 |
| 6211 | 55 | 2.1654 | 100 | 3.9370 | 21 | 0.8268 | 43.50 | 29.20 | 10 | 14.288 | 6400 | 7600 |
| 6212 | 60 | 2.3622 | 110 | 4.3307 | 22 | 0.8661 | 52.50 | 36.00 | 10 | 15.081 | 6000 | 7000 |
| 6213 | 65 | 2.5591 | 120 | 4.7244 | 23 | 0.9055 | 57.50 | 40.00 | 10 | 16.669 | 5500 | 6500 |
| 6214 | 70 | 2.7559 | 125 | 4.9213 | 24 | 0.9449 | 62.00 | 44.00 | 11 | 16.462 | 5100 | 6000 |
| 6215 | 75 | 2.9528 | 130 | 5.1181 | 25 | 0.9843 | 66.00 | 49.50 | 11 | 17.462 | 4800 | 5600 |
| 6216 | 80 | 3.1496 | 140 | 5.5118 | 26 | 1.5716 | 72.50 | 53.00 | 11 | 18.256 | 4500 | 5300 |
| 6217 | 85 | 3.3465 | 150 | 5.9055 | 28 | 1.1571 | 83.50 | 64.00 | 11 | 19.844 | 4200 | 5000 |
| 6218 | 90 | 3.5433 | 160 | 6.2992 | 30 | 1.1811 | 96.00 | 71.50 | 10 | 22.225 | 4000 | 4700 |
| Bearing No. | I.D | O.D | W | Loading Rating(KN) | Steel Ball Parameter | Max Speed | ||||||
| d | D | B | Dynamic | Static | No. | Size | Grease | Oil | ||||
| mm | inch | mm | inch | mm | inch | Cr | Cor | mm | r/min | r/min | ||
| 6300 | 10 | 0.3937 | 35 | 1.3780 | 11 | 0.4331 | 8.20 | 3.50 | 6 | 7.144 | 23000 | 27000 |
| 6301 | 12 | 0.4724 | 37 | 1.4567 | 12 | 0.4724 | 9.70 | 4.20 | 6 | 7.938 | 20000 | 24000 |
| 6302 | 15 | 0.5906 | 42 | 1.6535 | 13 | 0.5118 | 11.40 | 5.45 | 7 | 7.938 | 17000 | 21000 |
| 6303 | 17 | 0.6693 | 47 | 1.8504 | 14 | 0.5512 | 13.50 | 6.55 | 7 | 8.731 | 16000 | 19000 |
| 6304 | 20 | 0.7874 | 52 | 2.571 | 15 | 0.5906 | 15.90 | 7.90 | 7 | 9.525 | 14000 | 27000 |
| 6305 | 25 | 0.9843 | 62 | 2.4409 | 17 | 0.6693 | 21.20 | 10.90 | 7 | 11.500 | 12000 | 14000 |
| 6306 | 30 | 1.1811 | 72 | 2.8346 | 19 | 0.7480 | 26.70 | 15.00 | 8 | 12.000 | 10000 | 12000 |
| 6307 | 35 | 1.3780 | 80 | 3.1496 | 21 | 0.8268 | 33.50 | 19.10 | 8 | 13.494 | 8800 | 10000 |
| 6308 | 40 | 1.5748 | 90 | 3.5433 | 23 | 0.9055 | 40.50 | 24.00 | 8 | 15.081 | 7800 | 9200 |
| 6309 | 45 | 1.7717 | 100 | 3.9370 | 25 | 0.9843 | 53.00 | 32.00 | 8 | 17.462 | 7000 | 8200 |
| 6310 | 50 | 1.9685 | 110 | 4.3307 | 27 | 1.0630 | 62.00 | 38.50 | 8 | 19.050 | 6400 | 7500 |
| 6311 | 55 | 2.1654 | 120 | 4.7244 | 29 | 1.1417 | 71.50 | 45.00 | 8 | 20.638 | 5800 | 6800 |
| 6312 | 60 | 2.3622 | 130 | 5.1181 | 31 | 1.2205 | 82.00 | 52.00 | 8 | 22.225 | 5400 | 6300 |
| 6313 | 65 | 2.5591 | 140 | 5.5118 | 33 | 1.2992 | 92.50 | 60.00 | 8 | 24.000 | 4900 | 5800 |
| 6314 | 70 | 2.7559 | 150 | 5.9055 | 35 | 1.3780 | 104.00 | 68.00 | 8 | 25.400 | 4600 | 5400 |
| 6315 | 75 | 2.9528 | 160 | 6.2992 | 37 | 1.4567 | 113.00 | 77.00 | 8 | 26.988 | 4300 | 5000 |
| 6316 | 80 | 3.1496 | 170 | 6.6929 | 39 | 1.5354 | 123.00 | 86.50 | 8 | 28.575 | 4000 | 4700 |
Packaging & Shipping
Electric Motor Ball Bearing 6000N auto parts bearing
| Packaging Detail | 1.Industrial Exporting Package with anti-tarnish paper/Carton/Pallet 2. Individual plastic/Carton/pallet 3. As the customers’ requirements |
| Delivery Detail | 30-45 days for normal order |
One of the leading bearing manufacturers and exporters in China
China CZPT Bearing Corporation was established in 1996 and is 1 of the leading bearing manufacturers and exporters in China. CZPT specializes in the design and production of high quality, high precision deep groove ball bearings and pillow block bearings. At present, the Corporation has more than 1,000 employees, a fixed assets of 1.05 billion yuan, and produces 250 million sets of bearings annually. In 2571, the Corporation achieved bearing sales of 650 million yuan. The Corporation’s products are widely used in more than 50 countries and regions under 2 independent brands, namely “F&D” and “FLATE”. Now CZPT created new brand “CBB”.
Research and Development
Since 2008, the Corporation has set up a Research & Development Center equipped with multiple laboratories used for precision measurement, mechanical testing, lifespan testing, and physicochemical testing, to continuously upgrade its skills and raise its manufacturing standard and product’s precision. Our workshops are installed with a series of advanced numerically-controlled, grinding and assembly equipment that utilize centralized filtration and cooling systems. Together with the production equipment suppliers, we developed these grinding, ultra-precision, fully automated integrated production lines, and own the intellectual property rights. The precision level of the products are at P5 level and above, with noise level CZPT Z4, V4 and above. Some of our projects have exceeded the 30% precision reserves. Our products are widely used in electric motors, automobiles, motorcycles, household appliances, textile, electric tools and water pump equipment industries, both locally and globally.
Why Choose US
About US
Fuda Bearing Corporation Co., Ltd. was founded in 1996, and became 1 of Chinese largest bearing manufacturers and exporters. which specializes in designing and producing deep groove ball bearings, pillow block bearings with high quality & precision. After more than 10 years’hard work, CZPT has developed into a high-tech company that is capable of bearing research & development, manufacturing, and marketing. The Corporation consists of 5 subsidiaries including ZHangZhoug CZPT Bearing Co., Ltd, Flate Precision Tech. Co.,Ltd, HangZhou Unit Machinery Co., Ltd, HangZhou Oyat Bearing Co.,Ltd, CZPT Bearing Corporation Imp.& Exp.Co.Ltd. Now CZPT has employees more than 1000 with the fixed assets of RMB 1.05 billion. And the annual production capacity can reach 25 million sets. In 2571, the bearing sales volume was RMB 650 millions.Besides it creates 2 self-owned brands called F&D and FLATE. The products are well received in more than 50 countries and regions.
Quality Assurance
Product quality is the lifeline of an enterprise. In order to possessing the leading technology, our company implements the quality control system and establishes a technical and strict inspection team. As per the regulation of three-dimensional management and multiple checks, each product was inspected by the producer, inspector, inspection department and quality department elaborately, especially to the important inspection items and precision inspection item.
Our Service
High quality, good credit and excellent service are the tenet of our company. Customers’satisfaction is our lifeline, as well as our highest honor. We will do our best to meet your requirements, and will do better in the future.
Our Trade Partner
CONTACT US
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PENGQIAO INDUSTRIAL PARK HENGHE |
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| Web: | fudabearing |
Certifications
EXHIBITION
Thanks for reviewing Electric Motor Ball Bearing 6000N auto parts bearing !!!
/* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | YES |
|---|---|
| Warranty: | 1 YEAR |
| Type: | Axial and Radial Bearing |
| Material: | Chrome Steel |
| Tolerance: | P0 |
| Certification: | ISO9001, TS16949 |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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 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 2024-04-25