Product Description
Self aligning ball bearings mainly bear radial loads and can also withstand small axial loads. The axial displacement of the
shaft (shell) is limited within the clearance limit, with automatic centering performance, allowing normal operation under
conditions of relatively small internal and external inclination. It is suitable for components where the support seat hole cannot
strictly guarantee coaxiality. Self aligning ball bearings are suitable for bearing heavy and impact loads, precision instruments,
low noise motors, automobiles, motorcycles, metallurgy, rolling mills, mines, petroleum, papermaking, cement, sugar squeezing
and other industries, as well as general machinery.
|
Type |
BALL |
|
Structure |
Self-Aligning |
|
Applicable Industries |
Food Shop, Energy & Mining, Food & Beverage Shops, Advertising Company |
|
Precision Rating |
P0 P6 P5 P4 P2 |
|
Seals Type |
OPEN OR SEAL |
|
Number of Row |
Double row |
|
Product name |
Self-aligning Roller Bearing |
Company Profile
In order to meet the needs of the masses of customers and improve the market competitiveness of our company,
we can provide OEM service according to our customers′ Needs. We have gained ISO9001 certificate, CE certificate,
GOST certificate and SGS certificate. Our target is to carry out the strategic investment along with the development
of market and need of new products. With our strategic, excellent products, top technology and outstanding service,
we sincerely expect cooperation with more customers and friends for a better future. Our main products include
spherical roller bearing, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings, needle roller
bearings, ball bearing units, water pump bearings, automobile bearing, linear motion bearing, oil-less bearings,
bush and self-lubricating bearings, and non-standard bearings. Also, we supply bearings to our domestic peeling
machine factory and the machine exported to India, Malaysia and Russia, no any complaint from customer until now.
“zero defect, zero complaints” as the quality objective.
FAQ
Q: Are you trading company or manufacturer ?
A: We are a trading company specializing in exporting bearings.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the
goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge
Q.You provide free consultation service?
Yes, before, during and after order, anytime.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Product Name: | Self Aligning Ball Bearing |
|---|---|
| Characteristic: | High Precision |
| Advantage: | Large Bearing Capacity |
| Holder: | Copper and Iron Retainers |
| Quality: | High Quality |
| Rolling Body: | Roller Bearings |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

How do 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 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 2024-02-25
China manufacturer G10 All Size Bearing Ball 2.381mm 52100 Chrome Steel Ball Bearing drive shaft bearing
Product Description
G10 all size bearing ball 2.381mm 52100 chrome steel ball bearing
Product Parameters
|
Product Name |
Bearing ball |
| Material | Gcr15 |
| Size | 0.3 To 100mm |
| Shape | Round Ball |
| Surface Treatment | High Hardness And Wear Resistance |
| Application | automobile industry aerospace industry |
| Package | Plastic Bag+carton Box |
| Type | Solid |
| Certifications | ISO ROHS |
Detailed Photos
Production and Packing
Company Profile
is 1 of famous and professional stainless steel ball factory from china . We have 2 professional factory to produce steel ball ,one is in ZheJiang province(5000 square meters),other 1 is in ZheJiang province (10000 square meters ) .
With over 20years history,our factory have good reputation from our customers and government,so our factory passed ISO9001:2008 and our products got RHOS Certificates . We mainly produce stainless steel ball (201, 304, 316, 420,420C,440C,430). also produce chrome steel ball (AISI52100,100CR6,GCR15),carbon steel ball(1015,1571,1045,1085), copper brass balls, plastic ball,glass ball,Tungsten carbide ball, flying saucer ball, polishing media ball,ceramic ball,Aluminum ball and other kinds of material ball. We have the ability to provide many kinds of steel ball, of which accuracy range is G10-G1000,size 0.3mm-50.8mm. The brand “XinXin” is trusted deeply by customers. Welcome to visit our factory and looking forwarder to cooperate with you !
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Customized: | Customized |
|---|---|
| Certification: | CE, ISO |
| Standard Parts: | Yes |
| Universal: | Yes |
| Type: | Bearing Ball |
| Material: | Stainless Steel |
| Samples: |
US$ 30/kg
1 kg(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

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

What 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 2024-02-24
China Custom CZPT CZPT Suppliers Good Performance Deep Groove Ball Bearing 6002 2RS/Zz 15*32*9 for Engineering Machinery wheel bearing
Product Description
Deep groove ball bearing is 1 of the most widely used rolling bearings. It is characterized by small friction resistance and high speed. It can be used to bear radial load or combined load of radial and axial at the same time. It can also be used to bear axial
load.
Deep groove ball bearing type has single row and double row 2 kinds. divided into sealed and open 2 kinds of structure, open refers to the bearing does not have a sealed structure, sealed deep groove ball bearing is divided into dust-proof seal (2Z)and oil-proof seal (2RS).
Deep groove ball bearing can be used for gearbox, instrument, motor, household appliances,internal combustion engine, traffic vehicles, agricultural machinery, construction machinery, engineering machinery.
| NO. | Bearing type | Dimension(mm) | Weight | |||
| d | D | B(Open) | B(ZZ/2RS) | (KG) | ||
| 1 | R10 | 15.875 | 34.925 | 7.143 | 8.73 | 0.037 |
| 2 | R12 | 19.05 | 41.275 | 7.938 | 11.112 | 0.047 |
| 3 | R14 | 22.225 | 47.625 | 9.525 | 12.7 | 0.071 |
| 4 | R16 | 25.4 | 50.8 | 9.525 | 12.7 | 0.085 |
| 5 | R18 | 28.575 | 53.975 | 9.525 | 12.7 | 0.09 |
| 6 | R20 | 31.75 | 57.15 | 9.525 | 12.7 | 0.094 |
| 7 | R155 | 3.969 | 7.938 | 2.779 | 3.175 | |
| 8 | R156 | 4.763 | 7.938 | 2.779 | 3.175 | |
| 9 | R166 | 4.763 | 9.525 | 3.175 | 3.175 | |
| 10 | R168 | 6.35 | 9.525 | 3.175 | 3.175 | |
| 11 | R188 | 6.35 | 12.7 | 3.175 | 4.763 | |
| 12 | R1601 | 4.763 | 17.462 | 6.35 | 7.938 | |
| 13 | R1603 | 7.938 | 22.225 | 7.142 | 8.731 | |
| 14 | R1038 | 9.525 | 15.875 | 3.967 | 3.967 | |
| 15 | R1212 | 12.7 | 19.05 | 3.967 | 3.967 | |
| 16 | 692 | 2 | 6 | 2.3 | 3 | 0.00031 |
| 17 | 693 | 3 | 8 | 3 | 4 | 0.00061 |
| 18 | 694 | 4 | 11 | 4 | 4 | 0.0018 |
| 19 | 695 | 5 | 13 | 4 | 4 | 0.0571 |
| 20 | 696 | 6 | 15 | 5 | 5 | 0.0038 |
HIGH
HARDNESS
Long use time is not easy to wear,
meticulous workmanship
STABLE
PERFORMANCE
Stable operation, not easy to hot
suitable for a variety of scenarios
HIGH QUALITY
REARING STEEI
The product is made
of bearing steel with uniform
hardness and wear resistance
Bearing products are widely used in railway, aerospace, light and heavy industry, food machinery and many other fields.
ZheJiang Deruna Bearing Co.,Ltd.is a pro-fessional bearing factory and trading companyin HangZhou, ZheJiang .Now we have a group of outstanding technicalpersonnel with rich experience and many yearsof work,and advanced automatic productionine of bearings.Our factory mainly produce pillow block bearing with housing,deepgroove ball bearing, tapered roller bearing and sales of other types of bearings. With our serious effort in the bearing field for nearly 20 years, we have the extensive experience of working with many internationally renowned companies.
In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,ZheJiang province.
Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.
1.I couldn’t find a design to fit my application in your catalog. Can you help me design a bearing?
Yes, technical expertise is available to assist you with engineering design for custom products. Available options include, but are not limited to, custom rings, retainers, balls, shields, lubricants, and packaging. We look forward to working with you to satisfy your rotary motion requirements.
2.How Can We Guarantee Quality?
We have professional inspection equipment and quality inspection personnel. Firstly, we will strictly control the production of products in the production process, and strictly screen the finished products after they are finished.
3.How Long is Your Delivery Time?
Generally takes about 7-15 working days for production based on specifications for your order and quantity. Inventory bearings can arrange shipment immediately after payment received.
4.Where is your port of shipment located?
Our main port of shipment is HangZhou & Qindao port, and we may operate at other ports if required by the customer.
5.What is Your Terms of Payment ?
Payment1,000usd, 30% T/t in Advance, Balance Before Shipment.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Cage: | Steel Cage.Copper Cage |
|---|---|
| Seals Type: | Open |
| Feature: | Long Life |
| Bearings Type: | Ball Bearing |
| Vibration: | Z1V1 Z2V2 Z3V3 |
| Aligning: | Non-Aligning Bearing |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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

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

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 2024-02-24
China Hot selling Original F&D Bearings Roller Bearing Ball Bearing 6205 RS Zz bearing driver kit
Product Description
Original F&D Bearings Roller Bearing Ball Bearing 6205 RS Zz
Why choose us ?
√ Deep groove ball bearing factory product ranges 6000 series,6200 series,6300 series,etc.
√ CZPT bearing Factory Price,Original F&D bearing ,Good Quality,Fast Delivery,good after sell service.
√ Free samples enable customers to check quality before ordering.
√ OEM Service available.
√ ISO9001 & IATF 16949 QUALITY SYSTEM CERTIFICATE.
√ 28 years 6308 1688 Deep Groove Ball Bearing for Motorcycle Parts
Certifications
HONOR & SYSTERM CERTIFICATES
IATF16949 ,ISO9001,ISO14001,ISO45001
EXHIBITION
EXHIBITION
Motor Bearing Original F&D Bearings Roller Bearing Ball Bearing 6205 RS Zz
SAMPLE POLICY
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
Offer FREE SAMPLE to buyers to test bearing quality ,details discuss case by case .
Marks: 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
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
Company Profile
1.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 28 years’hard work, CZPT has developed into a high-tech company that is capable of bearing research & development, manufacturing, and marketing. 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 CBB. The products are well received in more than 50 countries and regions.
2.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.
Product Parameters
3. Bearing items
Motor Bearing Original F&D Bearings Roller Bearing Ball Bearing 6205 RS Zz
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.
| 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 |
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 |
Thanks for your time view Motor Bearing Original F&D Bearings Roller Bearing Ball Bearing 6205 RS Zz
company-Fuda-Bearing-Corporation-Co-Ltd-.html /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| RPM: | Over 5000 |
|---|---|
| Certificate: | ISO9001, IATF 16949 |
| Quality: | P0 /P6 |
| Samples: |
US$ 80/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Estimated freight per unit. |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

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

What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.


editor by CX 2024-02-24
China Best Sales 51215 8215 Chrome Steel 75*110*27mm High Precision Single Direction Thrust Ball Bearing supplier
Product Description
| No | Item | Data |
| 1 | Bearing No. | 51215 |
| 2 | Internal Diameter(mm) | 75 |
| 3 | Outside Diameter(mm) | 110 |
| 4 | Width | 27 |
| 5 | Weight (kgs) | 0.85 |
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Aligning: | Aligning Bearing |
|---|---|
| Separated: | Unseparated |
| Rows Number: | Double |
| Material: | Bearing Steel |
| Specification: | 75*110*27mm |
| Origin: | China |

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

What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.


editor by CX 2024-02-23
China best Single Row Ball Fire Truck Slewing Bearing for Sale ball bearing
Product Description
Product Description
King Steel is a professional manufacturer in slewing ring bearings. We can produce slew bearing for fire truck.
We can also design and make other standard and non-standard ball slewing ring bearings, roller slewing bearings and precision slewing ring bearings as per customer’s different technical requirements
Specifications:
|
Brand |
Ruding |
Type |
Enclosed |
|
Material |
42CrMo,50Mn |
Output Torque |
1200 N.m |
|
Tilting Moment Torque |
1.1K N.m |
Holding Torque |
2K N.m |
|
Static Axial Rating |
30 KN |
Static Radial Rating |
16.6 KN |
|
Dynamic Axial Rating |
9.6 KN |
Dynamic Radial Rating |
8.4KN |
|
Gear Ratio |
71:1 |
Efficiency |
40% |
Manufacturing Process:
Forging ring body material — Rough Lathing — Raceway heat treatment — Drilling — Teeth cutting — Teeth heat treatment — Ball hardness inspection — Assembling — Finall inspection — Packaging
Packaging & Shipping
Contact us
Please contact us for more information and quotations.
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| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Non-Seal |
| Samples: |
US$ 1000/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

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 2024-02-23
China manufacturer CZPT Precision Bearings Deep Groove Ball Bearings for Twist Car Parts 16011* Series bearing engineering
Product Description
KGG:Precision Deep Groove Ball Bearing
Advantages and features of CZPT bearings
∞ CZPT Ball Bearings consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. CZPT provides 2 kinds of bearings: Deep Groove Ball Bearing and Angular Contact Ball Bearings.
∞ ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. CZPT standard ball bearings are the perfect solution for high runout accuracy applications such as machine tool main spindles.
∞ Deep groove ball bearings are widely used in many industries for decades. A deep groove is formed on each inner and outer ring of the bearings enabling them to sustain radial and axial loads or even combinations of both. As the leading deep groove ball bearing factory, CZPT Bearings owns abundant experience in designing and producing this type of bearing.
Application:
1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc
Specification List
| Boundary Dimensions (mm) | Basic Load Ratings(N) | Limiting Speeds (rpm) | Bearing Numbers Type | Snap ring groove dimensions | Snap ring dimensions |
|||||||||||||||||
| d | D | B | r | dynamic Cr |
static Cor | Grease | Oil | Open type |
Shield ZZ |
Seal non-contact LLB |
Low torque type LLH |
Seal contact LLU |
Snap ring groove |
Snap ring |
D1 | a | b | ro | D2 | f | ||
| min | Open Z,ZZ LB,LLB |
LLH | LU LLU | Open Z LB | max | max | min | max | max | max | ||||||||||||
| 10 | 19 | 5 | 0.3 | 1830 | 925 | 32000 | – | 24000 | 38000 | 6800 | ZZ | LLB | – | LLU | – | – | – | – | – | – | – | – |
| 22 | 6 | 0.3 | 2700 | 1270 | 30000 | – | 21000 | 36000 | 6900 | ZZ | LLB | – | LLU | N | NR | 20.8 | 1.05 | 0.8 | 0.2 | 24.8 | 0.7 | |
| 26 | 8 | 0.3 | 4550 | 1960 | 29000 | 25000 | 21000 | 34000 | 6000 | ZZ | LLB | LLH | LLU | N | NR | – | – | – | – | – | – | |
| 30 | 9 | 0.6 | 5100 | 2390 | 25000 | 21000 | 18000 | 30000 | 6200 | ZZ | LLB | LLH | LLU | N | NR | 28.17 | 2.06 | 1.35 | 0.4 | 34.7 | 1.12 | |
| 35 | 11 | 0.6 | 8200 | 3500 | 23000 | 20000 | 16000 | 27000 | 6300 | ZZ | LLB | LLH | LLU | N | NR | 33.17 | 2.06 | 1.35 | 0.4 | 39.7 | 1.12 | |
| 12 | 21 | 5 | 0.3 | 1920 | 1040 | 29000 | – | 20000 | 35000 | 6801 | ZZ | LLB | – | LLU | – | – | – | – | – | – | – | – |
| 24 | 6 | 0.3 | 2890 | 1460 | 27000 | – | 19000 | 32000 | 6901 | ZZ | LLB | – | LLU | N | NR | 22.8 | 1.05 | 0.8 | 0.2 | 26.8 | 0.7 | |
| 28 | 7 | 0.3 | 5100 | 2390 | 26000 | – | – | 30000 | 16001 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 28 | 8 | 0.3 | 5100 | 2390 | 26000 | 21000 | 18000 | 30000 | 6001 | ZZ | LLB | LLH | LLU | N | NR | – | – | – | – | – | – | |
| 32 | 10 | 0.6 | 6100 | 2750 | 22000 | 20000 | 16000 | 26000 | 6201 | ZZ | LLB | LLH | LLU | N | NR | 30.5 | 2.06 | 1.35 | 0.4 | 36.7 | 1.12 | |
| 37 | 12 | 1 | 9700 | 4200 | 20000 | 19000 | 15000 | 24000 | 6301 | ZZ | LLB | LLH | LLU | N | NR | 34.77 | 2.06 | 1.35 | 0.4 | 41.3 | 1.12 | |
| 15 | 24 | 5 | 0.3 | 2080 | 1260 | 26000 | – | 17000 | 31000 | 6802 | ZZ | LLB | – | LLU | – | – | – | – | – | – | – | – |
| 28 | 7 | 0.3 | 3650 | 2000 | 24000 | – | 16000 | 28000 | 6902 | ZZ | LLB | – | LLU | N | NR | 26.7 | 1.3 | 0.95 | 0.25 | 30.8 | 0.85 | |
| 32 | 8 | 0.3 | 5600 | 2830 | 22000 | – | – | 26000 | 16002 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 32 | 9 | 0.3 | 5600 | 2830 | 22000 | 18000 | 15000 | 26000 | 6002 | ZZ | LLB | LLH | LLU | N | NR | 30.15 | 2.06 | 1.35 | 0.4 | 36.7 | 1.12 | |
| 35 | 11 | 0.6 | 7750 | 3600 | 19000 | 18000 | 15000 | 23000 | 6202 | ZZ | LLB | LLH | LLU | N | NR | 33.17 | 2.06 | 1.35 | 0.4 | 39.7 | 1.12 | |
| 42 | 13 | 1 | 11400 | 5450 | 17000 | 15000 | 12000 | 21000 | 6302 | ZZ | LLB | LLH | LLU | N | NR | 39.75 | 2.06 | 1.35 | 0.4 | 46.3 | 1.12 | |
| 17 | 24 | 5 | 0.3 | 2080 | 1260 | 26000 | – | 17000 | 31000 | 6802 | ZZ | LLB | – | LLU | – | – | – | – | – | – | – | – |
| 28 | 7 | 0.3 | 3650 | 2000 | 24000 | – | 16000 | 28000 | 6902 | ZZ | LLB | – | LLU | N | NR | 28.7 | 1.3 | 0.95 | 0.25 | 32.8 | 0.85 | |
| 32 | 8 | 0.3 | 5600 | 2830 | 22000 | – | – | 26000 | 16002 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 32 | 9 | 0.3 | 5600 | 2830 | 22000 | 18000 | 15000 | 26000 | 6002 | ZZ | LLB | LLH | LLU | N | NR | 33.17 | 2.06 | 1.35 | 0.4 | 39.7 | 1.12 | |
| 35 | 11 | 0.6 | 7750 | 3600 | 19000 | 18000 | 15000 | 23000 | 6202 | ZZ | LLB | LLH | LLU | N | NR | 38.1 | 2.06 | 1.35 | 0.4 | 44.6 | 1.12 | |
| 42 | 13 | 1 | 11400 | 5450 | 17000 | 15000 | 12000 | 21000 | 6302 | ZZ | LLB | LLH | LLU | N | NR | 44.6 | 2.46 | 1.35 | 0.4 | 52.7 | 1.12 | |
| 20 | 32 | 7 | 0.3 | 4000 | 2470 | 21000 | – | 13000 | 25000 | 6804 | ZZ | LLB | – | LLU | N | NR | 30.7 | 1.3 | 0.95 | 0.25 | 34.8 | 0.85 |
| 37 | 9 | 0.3 | 6400 | 3700 | 19000 | – | 12000 | 23000 | 6904 | ZZ | LLB | – | LLU | N | NR | 35.7 | 1.7 | 0.95 | 0.25 | 39.8 | 0.85 | |
| 42 | 8 | 0.3 | 7900 | 4500 | 18000 | – | – | 21000 | 16004 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 42 | 12 | 0.6 | 9400 | 5050 | 18000 | 13000 | 11000 | 21000 | 6004 | ZZ | LLB | LLH | LLU | N | NR | 39.75 | 2.06 | 1.35 | 0.4 | 46.3 | 1.12 | |
| 47 | 14 | 1 | 12800 | 6650 | 16000 | 12000 | 10000 | 18000 | 6204 | ZZ | LLB | LLH | LLU | N | NR | 44.6 | 2.46 | 1.35 | 0.4 | 52.7 | 1.12 | |
| 52 | 15 | 1.1 | 15900 | 7900 | 14000 | 12000 | 10000 | 17000 | 6304 | ZZ | LLB | LLH | LLU | N | NR | 49.73 | 2.46 | 1.35 | 0.4 | 57.9 | 1.12 | |
| 22 | 44 | 12 | 0.6 | 9400 | 5050 | 17000 | 13000 | 10000 | 20000 | 60/22 | ZZ | LLB | LLH | LLU | N | NR | 41.75 | 2.06 | 1.35 | 0.4 | 48.3 | 1.12 |
| 50 | 14 | 1 | 12900 | 6800 | 14000 | 12000 | 9700 | 17000 | 62/22 | ZZ | LLB | LLH | LLU | N | NR | 47.6 | 2.46 | 1.35 | 0.4 | 55.7 | 1.12 | |
| 56 | 16 | 1.1 | 18400 | 9250 | 13000 | 11000 | 9200 | 15000 | 63/22 | ZZ | LLB | LLH | LLU | N | NR | 53.6 | 2.46 | 1.35 | 0.4 | 61.7 | 1.12 | |
| 25 | 37 | 7 | 0.3 | 4300 | 2950 | 18000 | – | 10000 | 21000 | 6805 | ZZ | LLB | – | LLU | N | NR | 35.7 | 1.3 | 0.95 | 0.25 | 39.8 | 0.85 |
| 42 | 9 | 0.3 | 7050 | 4550 | 16000 | – | 9800 | 19000 | 6905 | ZZ | LLB | – | LLU | N | NR | 40.7 | 1.7 | 0.95 | 0.25 | 44.8 | 0.85 | |
| 47 | 8 | 0.3 | 8350 | 5100 | 15000 | – | – | 18000 | 16005 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 47 | 12 | 0.6 | 15710 | 5850 | 15000 | 11000 | 9400 | 18000 | 6005 | ZZ | LLB | LLH | LLU | N | NR | 44.6 | 2.06 | 1.35 | 0.4 | 52.7 | 1.12 | |
| 52 | 15 | 1 | 14000 | 7850 | 13000 | 11000 | 8900 | 15000 | 6205 | ZZ | LLB | LLH | LLU | N | NR | 49.73 | 2.46 | 1.35 | 0.4 | 57.9 | 1.12 | |
| 62 | 17 | 1.1 | 21200 | 10900 | 12000 | 9700 | 8100 | 14000 | 6305 | ZZ | LLB | LLH | LLU | N | NR | 59.61 | 3.28 | 1.9 | 0.6 | 67.7 | 1.7 | |
| 80 | 21 | 1.5 | 34500 | 17500 | 10000 | – | – | 12000 | 6405 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 28 | 52 | 12 | 0.6 | 12500 | 7400 | 14000 | 10000 | 8400 | 16000 | 60/28 | ZZ | LLB | LLH | LLU | N | NR | 49.7 | 2.06 | 1.35 | 0.4 | 57.9 | 1.12 |
| 58 | 16 | 1 | 17900 | 9750 | 12000 | 9700 | 8100 | 14000 | 62/28 | ZZ | LLB | LLH | LLU | N | NR | 55.6 | 2.46 | 1.35 | 0.4 | 63.7 | 1.12 | |
| 68 | 18 | 1.1 | 26700 | 14000 | 11000 | 8900 | 7400 | 13000 | 63/28 | ZZ | LLB | LLH | LLU | N | NR | 64.82 | 3.28 | 1.9 | 0.6 | 74.6 | 1.7 | |
| 30 | 42 | 7 | 0.3 | 4700 | 3650 | 15000 | – | 8800 | 18000 | 6806 | ZZ | LLB | – | LLU | N | NR | 40.7 | 1.3 | 0.95 | 0.25 | 44.8 | 0.85 |
| 47 | 9 | 0.3 | 7250 | 5000 | 14000 | – | 8400 | 17000 | 6906 | ZZ | LLB | – | LLU | N | NR | 45.7 | 1.7 | 0.95 | 0.25 | 49.8 | 0.85 | |
| 55 | 9 | 0.3 | 11200 | 7350 | 13000 | – | – | 15000 | 16006* | – | – | – | – | – | – | – | – | – | – | – | – | |
| 55 | 13 | 1 | 13200 | 8300 | 13000 | 9200 | 7700 | 15000 | 6006 | ZZ | LLB | LLH | LLU | N | NR | 52.6 | 2.08 | 1.35 | 0.4 | 60.7 | 1.12 | |
| 62 | 16 | 1 | 19500 | 11300 | 11000 | 8800 | 7300 | 13000 | 6206 | ZZ | LLB | LLH | LLU | N | NR | 59.61 | 3.28 | 1.9 | 0.6 | 67.7 | 1.7 | |
| 72 | 19 | 1.1 | 26700 | 15000 | 10000 | 7900 | 6600 | 12000 | 6306 | ZZ | LLB | LLH | LLU | N | NR | 68.81 | 3.28 | 1.9 | 0.6 | 78.6 | 1.7 | |
| 32 | 58 | 13 | 1 | 11800 | 8050 | 12000 | 8700 | 7200 | 15000 | 60/32 | ZZ | LLB | LLH | LLU | N | NR | 55.6 | 2.08 | 1.35 | 0.4 | 63.7 | 1.12 |
| 65 | 17 | 1 | 20700 | 11600 | 11000 | 8400 | 7100 | 12000 | 62/32 | ZZ | LLB | LLH | LLU | N | NR | 62.6 | 3.28 | 1.9 | 0.6 | 70.7 | 1.7 | |
| 75 | 20 | 1.1 | 29800 | 16900 | 9500 | 7700 | 6500 | 11000 | 63/32* | ZZ | LLB | LLH | LLU | N | NR | 71.83 | 3.28 | 1.9 | 0.6 | 81.6 | 1.7 | |
| 35 | 47 | 7 | 0.3 | 4900 | 4050 | 13000 | – | – | 16000 | 6807* | ZZ | LLB | – | LLU | N | NR | 45.7 | 1.3 | 0.95 | 0.25 | 49.8 | 0.85 |
| 55 | 10 | 0.6 | 9550 | 6850 | 12000 | – | 7100 | 15000 | 6907 | ZZ | LLB | – | LLU | N | NR | 53.7 | 1.7 | 0.95 | 0.25 | 57.8 | 0.85 | |
| 62 | 9 | 0.3 | 11700 | 8200 | 12000 | – | – | 14000 | 16007* | – | – | – | – | – | – | – | – | – | – | – | – | |
| 62 | 14 | 1 | 16000 | 10300 | 12000 | 8200 | 6800 | 14000 | 6007 | ZZ | LLB | LLH | LLU | N | NR | 59.61 | 2.08 | 1.9 | 0.6 | 67.7 | 1.7 | |
| 72 | 17 | 1.1 | 25700 | 15300 | 9800 | 7600 | 6300 | 11000 | 6207 | ZZ | LLB | LLH | LLU | N | NR | 68.81 | 3.28 | 1.9 | 0.6 | 78.6 | 1.7 | |
| 80 | 21 | 1.5 | 33500 | 19100 | 8800 | 7300 | 6000 | 10000 | 6307 | ZZ | LLB | LLH | LLU | N | NR | 76.81 | 3.28 | 1.9 | 0.6 | 86.6 | 1.7 | |
| 52 | 7 | 0.3 | 5100 | 4400 | 12000 | – | – | 14000 | 6808 | ZZ | LLB | – | LLU | N | NR | 50.7 | 1.3 | 0.95 | 0.25 | 54.8 | 0.85 | |
| 40 | 62 | 12 | 0.6 | 12200 | 8900 | 11000 | – | 6300 | 13000 | 6908 | ZZ | LLB | – | LLU | N | NR | 60.7 | 1.7 | 0.95 | 0.25 | 64.8 | 0.85 |
| 68 | 9 | 0.3 | 12600 | 9650 | 10000 | – | – | 12000 | 16008* | – | – | – | – | – | – | – | – | – | – | – | – | |
| 68 | 15 | 1 | 16800 | 11500 | 10000 | 7300 | 6100 | 12000 | 6008 | ZZ | LLB | LLH | LLU | N | NR | 64.82 | 2.49 | 1.9 | 0.6 | 74.6 | 1.7 | |
| 80 | 18 | 1.1 | 29100 | 17800 | 8700 | 6700 | 5600 | 10000 | 6208 | ZZ | LLB | LLH | LLU | N | NR | 76.81 | 3.28 | 1.9 | 0.6 | 86.6 | 1.7 | |
| 90 | 23 | 1.5 | 40500 | 24000 | 7800 | 6400 | 5300 | 9200 | 6308 | ZZ | LLB | LLH | LLU | N | NR | 86.79 | 3.28 | 2.7 | 0.6 | 96.5 | 2.46 | |
| 45 | 58 | 7 | 0.3 | 5350 | 4950 | 11000 | – | 5900 | 12000 | 6809* | ZZ | LLB | – | LLU | N | NR | 56.7 | 1.3 | 0.95 | 0.25 | 60.8 | 0.85 |
| 68 | 12 | 0.6 | 13100 | 10400 | 9800 | – | 5600 | 12000 | 6909 | ZZ | LLB | – | LLU | N | NR | 66.7 | 1.7 | 0.95 | 0.25 | 70.8 | 0.85 | |
| 75 | 10 | 0.6 | 12900 | 10500 | 9200 | – | – | 11000 | 16009* | – | – | – | – | – | – | – | – | – | – | – | – | |
| 75 | 16 | 1 | 21000 | 15100 | 9200 | 6500 | 5400 | 11000 | 6009 | ZZ | LLB | LLH | LLU | N | NR | 71.83 | 2.49 | 1.9 | 0.6 | 81.6 | 1.7 | |
| 85 | 19 | 1.1 | 32500 | 20400 | 7800 | 6200 | 5200 | 9200 | 6209 | ZZ | LLB | LLH | LLU | N | NR | 81.81 | 3.28 | 1.9 | 0.6 | 91.6 | 1.7 | |
| 100 | 25 | 1.5 | 53000 | 32000 | 7000 | 5600 | 4700 | 8200 | 6309 | ZZ | LLB | LLH | LLU | N | NR | 96.8 | 3.28 | 2.7 | 0.6 | 106.5 | 2.46 | |
| 50 | 65 | 7 | 0.3 | 6600 | 6100 | 9600 | – | 5300 | 11000 | 6810 | ZZ | LLB | – | LLU | N | NR | 63.7 | 1.3 | 0.95 | 0.25 | 67.8 | 0.85 |
| 72 | 12 | 0.6 | 13400 | 11200 | 8900 | – | 5100 | 11000 | 6910* | ZZ | LLB | – | LLU | N | NR | 70.7 | 1.7 | 0.95 | 0.25 | 74.8 | 0.85 | |
| 80 | 10 | 0.6 | 13200 | 11300 | 8400 | – | – | 9800 | 16571 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 80 | 16 | 1 | 21800 | 16600 | 8400 | 6000 | 5000 | 9800 | 6571 | ZZ | LLB | LLH | LLU | N | NR | 76.81 | 2.49 | 1.9 | 0.6 | 86.6 | 1.7 | |
| 90 | 20 | 1.1 | 35000 | 23200 | 7100 | 5700 | 4700 | 8300 | 6210 | ZZ | LLB | LLH | LLU | N | NR | 86.79 | 3.28 | 2.7 | 0.6 | 96.5 | 2.46 | |
| 110 | 27 | 2 | 62000 | 38500 | 6400 | 5000 | 4200 | 7500 | 6310 | ZZ | LLB | LLH | LLU | N | NR | 106.81 | 3.28 | 2.7 | 0.6 | 116.6 | 2.46 | |
| 55 | 72 | 9 | 0.3 | 8800 | 8100 | 8700 | – | 4800 | 10000 | 6811* | ZZ | LLB | – | LLU | N | NR | 70.7 | 1.7 | 0.95 | 0.25 | 74.8 | 0.85 |
| 80 | 13 | 1 | 16000 | 13300 | 8200 | – | 4600 | 9600 | 6911* | ZZ | LLB | – | LLU | N | NR | 77.9 | 2.1 | 1.3 | 0.4 | 84.4 | 1.12 | |
| 90 | 11 | 0.6 | 18600 | 15300 | 7700 | – | – | 9000 | 16011* | – | – | – | – | – | – | – | – | – | – | – | – | |
| 90 | 18 | 1.1 | 28300 | 21200 | 7700 | – | 4500 | 9000 | 6011 | ZZ | LLB | – | LLU | N | NR | 86.79 | 2.87 | 2.7 | 0.6 | 96.5 | 2.46 | |
| 100 | 21 | 1.5 | 43500 | 29200 | 6400 | – | 4300 | 7600 | 6211* | ZZ | LLB | – | LLU | N | NR | 96.8 | 3.28 | 2.7 | 0.6 | 106.5 | 2.46 | |
| 120 | 29 | 2 | 71500 | 45000 | 5800 | – | 3900 | 6800 | 6311 | ZZ | LLB | – | LLU | N | NR | 115.21 | 4.06 | 3.1 | 0.6 | 129.7 | 2.82 | |
| 60 | 78 | 10 | 0.3 | 11500 | 10600 | 8000 | – | 4400 | 9400 | 6812* | ZZ | LLB | – | LLU | N | NR | 76.2 | 1.7 | 1.3 | 0.4 | 82.7 | 1.12 |
| 85 | 13 | 1 | 16400 | 14300 | 7600 | – | 4300 | 8900 | 6912* | ZZ | LLB | – | LLU | N | NR | 82.9 | 2.1 | 1.3 | 0.4 | 89.4 | 1.12 | |
| 95 | 11 | 0.6 | 20000 | 17500 | 7000 | – | – | 8300 | 16012* | – | – | – | – | – | – | – | – | – | – | – | – | |
| 95 | 18 | 1.1 | 29500 | 23200 | 7000 | – | 4100 | 8300 | 6012* | ZZ | LLB | – | LLU | N | NR | 91.82 | 2.87 | 2.7 | 0.6 | 101.6 | 2.46 | |
| 110 | 22 | 1.5 | 52500 | 36000 | 6000 | – | 3800 | 7000 | 6212 | ZZ | LLB | – | LLU | N | NR | 106.81 | 3.28 | 2.7 | 0.6 | 116.6 | 2.46 | |
| 130 | 31 | 2.1 | 82000 | 52000 | 5400 | – | 3600 | 6300 | 6312 | ZZ | LLB | – | LLU | N | NR | 125.22 | 4.06 | 3.1 | 0.6 | 139.7 | 2.82 | |
| 65 | 140 | 33 | 2.1 | 92500 | 60000 | 4900 | – | – | 5800 | 6313 | – | – | – | – | – | – | – | – | – | – | – | – |
| 70 | 150 | 35 | 3 | 104000 | 68000 | 4100 | – | – | 4800 | 6314* | – | – | – | – | – | – | – | – | – | – | – | – |
| Abutment and fillet dimensions (mm) | Weight (kg) | |||||||
| da | Da | ra | Dx | CY | CZ | rNa | Open (Approx) | |
| min | max | max | max | (Approx.) | max | max | max | |
| 12 | 12.5 | 17 | 0.3 | – | – | – | – | 0.005 |
| 12 | 13 | 20 | 0.3 | 25.5 | 1.5 | 0.7 | 0.3 | 0.009 |
| 12 | 13.5 | 24 | 0.3 | – | – | – | – | 0.019 |
| 14 | 16 | 26 | 0.6 | 35.5 | 2.9 | 1.2 | 0.5 | 0.032 |
| 14 | 17 | 31 | 0.6 | 40.5 | 2.9 | 1.2 | 0.5 | 0.053 |
| 14 | 14.5 | 19 | 0.3 | – | – | – | – | 0.006 |
| 14 | 15 | 22 | 0.3 | 27.5 | 1.5 | 0.7 | 0.3 | 0.011 |
| 14 | – | 26 | 0.3 | – | – | – | – | 0.019 |
| 14 | 16 | 26 | 0.3 | – | – | – | – | 0.571 |
| 16 | 17 | 28 | 0.6 | 37.5 | 2.9 | 1.2 | 0.5 | 0.037 |
| 17 | 18.5 | 32 | 1 | 42 | 2.9 | 1.2 | 0.5 | 0.06 |
| 17 | 17.5 | 22 | 0.3 | – | – | – | – | 0.007 |
| 17 | 17.5 | 26 | 0.3 | 31.5 | 1.9 | 0.9 | 0.3 | 0.016 |
| 17 | – | 30 | 0.3 | – | – | – | – | 0.571 |
| 17 | 19 | 30 | 0.3 | 37.5 | 2.9 | 1.2 | 0.3 | 0.03 |
| 19 | 20 | 31 | 0.6 | 40.5 | 2.9 | 1.2 | 0.5 | 0.045 |
| 20 | 23 | 37 | 1 | 47 | 2.9 | 1.2 | 0.5 | 0.082 |
| 19 | 19.5 | 24 | 0.3 | – | – | – | – | 0.008 |
| 19 | 20 | 28 | 0.3 | 33.5 | 1.9 | 0.9 | 0.3 | 0.018 |
| 19 | – | 33 | 0.3 | – | – | – | – | 0.032 |
| 19 | 21 | 33 | 0.3 | 40.5 | 2.9 | 1.2 | 0.3 | 0.039 |
| 21 | 23 | 36 | 0.6 | 45.5 | 2.9 | 1.2 | 0.5 | 0.066 |
| 22 | 25 | 42 | 1 | 53.5 | 3.3 | 1.2 | 0.5 | 0.115 |
| 22 | 22.5 | 30 | 0.3 | 35.5 | 1.9 | 0.9 | 0.3 | 0.019 |
| 22 | 24 | 35 | 0.3 | 40.5 | 2.3 | 0.9 | 0.3 | 0.036 |
| 22 | – | 40 | 0.3 | – | – | – | – | 0.051 |
| 24 | 26 | 38 | 0.6 | 47 | 2.9 | 1.2 | 0.5 | 0.069 |
| 25 | 28 | 42 | 1 | 53.5 | 3.3 | 1.2 | 0.5 | 0.106 |
| 26.5 | 28.5 | 45.5 | 1 | 58.5 | 3.3 | 1.2 | 0.5 | 0.144 |
| 26 | 26.5 | 40 | 0.6 | 49 | 2.9 | 1.2 | 0.5 | 0.074 |
| 27 | 29.5 | 45 | 1 | 56.5 | 3.3 | 1.2 | 0.5 | 0.117 |
| 28.5 | 31 | 49.5 | 1 | 62.5 | 3.3 | 1.2 | 0.5 | 0.176 |
| 27 | 28 | 35 | 0.3 | 40.5 | 1.9 | 0.9 | 0.3 | 0.571 |
| 27 | 29 | 40 | 0.3 | 45.5 | 2.3 | 0.9 | 0.3 | 0.042 |
| 27 | – | 45 | 0.3 | – | – | – | – | 0.06 |
| 29 | 30.5 | 43 | 0.6 | 53.5 | 2.9 | 1.2 | 0.5 | 0.08 |
| 30 | 32 | 47 | 1 | 58.5 | 3.3 | 1.2 | 0.5 | 0.128 |
| 31.5 | 35 | 55.5 | 1 | 68.5 | 4.6 | 1.7 | 0.5 | 0.232 |
| 33 | – | 72 | 1.5 | – | – | – | – | 0.53 |
| 32 | 34 | 48 | 0.6 | 58.5 | 2.9 | 1.2 | 0.5 | 0.098 |
| 33 | 35.5 | 53 | 1 | 64.5 | 3.3 | 1.2 | 0.5 | 0.171 |
| 34.5 | 38.5 | 61.5 | 1 | 76 | 4.6 | 1.7 | 0.5 | 0.284 |
| 32 | 33 | 40 | 0.3 | 45.5 | 1.9 | 0.9 | 0.3 | 0.026 |
| 32 | 34 | 45 | 0.3 | 50.5 | 2.3 | 0.9 | 0.3 | 0.048 |
| 32 | – | 53 | 0.3 | – | – | – | – | 0.091 |
| 35 | 37 | 50 | 1 | 61.5 | 2.9 | 1.2 | 0.5 | 0.116 |
| 35 | 39 | 57 | 1 | 68.5 | 4.6 | 1.7 | 0.5 | 0.199 |
| 36.5 | 43 | 65.5 | 1 | 80 | 4.6 | 1.7 | 0.5 | 0.36 |
| 37 | 39 | 53 | 1 | 64.5 | 2.9 | 1.2 | 0.5 | 0.129 |
| 37 | 40 | 60 | 1 | 71.5 | 4.6 | 1.7 | 0.5 | 0.226 |
| 38.5 | 43.5 | 68.5 | 1 | 83 | 4.6 | 1.7 | 0.5 | 0.382 |
| 37 | 38 | 45 | 0.3 | 50.5 | 1.9 | 0.9 | 0.3 | 0.571 |
| 39 | 40 | 51 | 0.6 | 58.8 | 2.3 | 0.9 | 0.5 | 0.074 |
| 37 | – | 60 | 0.3 | – | – | – | – | 0.11 |
| 40 | 42 | 57 | 1 | 68.5 | 3.4 | 1.7 | 0.5 | 0.155 |
| 41.5 | 45 | 65.5 | 1 | 80 | 4.6 | 1.7 | 0.5 | 0.288 |
| 43 | 47 | 72 | 1.5 | 88 | 4.6 | 1.7 | 0.5 | 0.457 |
| 42 | 43 | 50 | 0.3 | 55.5 | 1.9 | 0.9 | 0.3 | 0.033 |
| 44 | 45 | 58 | 0.6 | 65.5 | 2.3 | 0.9 | 0.5 | 0.11 |
| 42 | – | 66 | 0.3 | – | – | – | – | 0.125 |
| 45 | 47 | 63 | 1 | 76 | 3.8 | 1.7 | 0.5 | 0.19 |
| 46.5 | 51 | 73.5 | 1 | 88 | 4.6 | 1.7 | 0.5 | 0.366 |
| 48 | 54 | 82 | 1.5 | 98 | 5.4 | 2.5 | 0.5 | 0.63 |
| 47 | 48 | 56 | 0.3 | 61.5 | 1.9 | 0.9 | 0.3 | 0.04 |
| 49 | 51 | 64 | 0.6 | 72 | 2.3 | 0.9 | 0.5 | 0.128 |
| 49 | – | 71 | 0.6 | – | – | – | – | 0.171 |
| 50 | 52.5 | 70 | 1 | 83 | 3.8 | 1.7 | 0.5 | 0.237 |
| 51.5 | 55.5 | 78.5 | 1 | 93 | 4.6 | 1.7 | 0.5 | 0.398 |
| 53 | 61.5 | 92 | 1.5 | 108 | 5.4 | 2.5 | 0.5 | 0.814 |
| 52 | 54 | 63 | 0.3 | 68.5 | 1.9 | 0.9 | 0.3 | 0.052 |
| 54 | 55.5 | 68 | 0.6 | 76 | 2.3 | 0.9 | 0.5 | 0.132 |
| 54 | – | 76 | 0.6 | – | – | – | – | 0.18 |
| 55 | 57.5 | 75 | 1 | 88 | 3.8 | 1.7 | 0.5 | 0.261 |
| 56.5 | 60 | 83.5 | 1 | 98 | 5.4 | 2.5 | 0.5 | 0.454 |
| 59 | 68.5 | 101 | 2 | 118 | 5.4 | 2.5 | 0.5 | 1.07 |
| 57 | 59 | 70 | 0.3 | 76 | 2.3 | 0.9 | 0.3 | 0.083 |
| 60 | 61.5 | 75 | 1 | 86 | 2.9 | 1.2 | 0.5 | 0.18 |
| 59 | – | 86 | 0.6 | – | – | – | – | 0.258 |
| 61.5 | 64 | 83.5 | 1 | 98 | 5 | 2.5 | 0.5 | 0.388 |
| 63 | 67 | 92 | 1.5 | 108 | 5.4 | 2.5 | 0.5 | 0.601 |
| 64 | 74 | 111 | 2 | 131.5 | 6.5 | 2.9 | 0.5 | 1.37 |
| 62 | 64.5 | 76 | 0.3 | 87 | 2.5 | 1.2 | 0.3 | 0.106 |
| 65 | 66.5 | 80 | 1 | 91 | 2.9 | 1.2 | 0.5 | 0.193 |
| 64 | – | 91 | 0.6 | – | – | – | – | 0.283 |
| 66.5 | 69 | 88.5 | 1 | 103 | 5 | 2.5 | 0.5 | 0.414 |
| 68 | 75 | 102 | 1.5 | 118 | 5.4 | 2.5 | 0.5 | 0.783 |
| 71 | 80.5 | 119 | 2 | 141.5 | 6.5 | 2.9 | 0.5 | 1.73 |
| 76 | – | 129 | 2 | – | – | – | – | 2.08 |
| 81 | – | 139 | 2 | – | – | – | – | 2.52 |
FACTORY DETAILED PROCESSING PHOTOS
HIGH QUALITY CONTROL SYSTEM
FAQ
1. Why choose CZPT China?
Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.
2. What is your main products ?
We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.
6. What’s your payment terms?
Our payment terms is 30% deposit,balance 70% before shipment. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Inner Diameter: | 55mm |
|---|---|
| Outer Diameter: | 90mm |
| Width: | 11mm |
| Weight: | 0.258kg |
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| 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 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 2024-02-23
China wholesaler China Factory Manufacture Ball Bearing Trailer Turntable wholesaler
Product Description
China Factory Manufacture Ball Bearing Trailer Turntable
Why Choose UT Trailer?
ZheJiang UT Trailer Parts Co., Ltd., is a professional manufacturer of semi trailer’s spare parts. It possesses production buildings of more than 12
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Double-Row |
| Roller Type: | Spherical Raceway |
| Material: | Cast Iron |
| Samples: |
US$ 0/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 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 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 2024-02-22
China supplier Slewing Bearing Tapered Roller Steel Ball Bearings Deep Groove Puller Front Wheel Hub Pillow Block Taper Roller Angular Contact Rear Wheel Linear Auto Bearing wholesaler
Product Description
Slewing bearing Tapered Roller steel ball bearings Deep Groove puller front wheel hub pillow block taper roller angular contact rear wheel linear auto bearing
Application of Slewing bearing
A slewing bearing, also called a turntable bearing, is a type of bearing that allows for a heavy but slow-turning or slowly-oscillating load to be supported in combination (axial, radial and moment loads), often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis (yaw) windmill. In other orientations (e.g. a horizontal axis of rotation) they are used in materials handling grapples, forklift attachments, welding turnover jigs and so on.
Slewing rings range in size from as little as 100mm diameter to well over 15 000mm (often segmented at this size for easy transport and handling); for example the bearings on the Falkirk Wheel are 4 meters diameter and fit over a 3.5 meter axle. Slewing bearings are often made with gear teeth integral with the inner or outer race (or both in rare cases) used to drive the platform relative to the base (for example in winches).
Slewing rings are used in a variety of applications, including:
- Wind turbines: Slewing bearings are used in wind turbines to support the nacelle and rotor blades.
- Cranes: Slewing bearings are used in cranes to support the boom and jib.
- Drilling rigs: Slewing bearings are used in drilling rigs to support the mast and drill string.
- Robotics: Slewing bearings are used in robotics to support the manipulator arm.
- Machine tools: Slewing bearings are used in machine tools to support the spindle and workpiece.
Slewing bearings are a critical component in many applications. They are responsible for supporting heavy loads and allowing for smooth and precise movement.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Bearing Steel |
| Spherical: | Aligning Bearings |
| Load Direction: | Axial Bearing |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

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

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 2024-02-22
China Professional Factory Directly Wholesale 6305 Llu Deep Groove Ball Bearing ball bearing
Product Description
| OEM number | 6305 LLU |
| size | 25*62*17 mm |
| material | CHROME STEEL |
| we can meet the customer’s requirement to change the material to control the cost | |
| quantity | the quantity is unlimited .more quantity ,better price . |
| payment | T/T. 30% deposit .and pay the balance after the goods are all ready |
| packing detail | A.neutral packing box . |
| B.original packing box | |
| C.making the packing according to customer’s requirement . | |
| deliever time | 10-30 work days after the order was confirmed |
| remark | small order is accepted |
advantage
1> manufacturer & exporter
2> competitive price
3>high quality material
4> advanced machine
5> Strictly QC system
6> experienced engineers and workers, good service
7> low noise and long usage life
8> professional management and team
Company history:
XTSKY INDUSTRIAL GROUP LIMITED is a group company specialized in the research, development,manufacture in China.
As a professional manufacturer and exporter for many years, the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team for pre/after sales support make us different with others.
Our products are popular and well sold in Europe, America, South America and Southeast Asia and they enjoy an excellent reputation. If you are looking for a reliable parter with good quality that suit to your market and help your business, please feel feel free to contact with us.
Xihu (West Lake) Dis.d by the corporate mission:Super quality, satisfactory service, we are making every effort to be a good business partner of yours. We are convinced that with joint efforts, the business between us will be developed into our mutual benefit.
We sincerely wish to work with friends all over the world and we will always support our customers to make promising business in their local market. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small (28-55mm) |
| Material: | Bearing Steel |
| Separated: | Unseparated |
| Model No.: | 6305 |
| Customization: |
Available
| Customized Request |
|---|

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

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

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 2024-02-22