Product Description
Product Description
| Applicable Material | Chrome Steel/Gcr-15 |
| Greese | SRL ,PS2, Alvania R12 ,etc |
| Quality control | Checking is during production process, after surface and before packing |
| Lead time | 10-15 days for sample,15-25 days for bulk order depends on your design |
| Package | Standard package/ Pallet or container/ as per customized specifications |
| Shipment | Express & air freight is preferred / sea freight/ as per customized specifications |
Quality Control
1) Incoming quality control : Checking the raw material after they reach our factory
2) Checking the details before the production line operated
3) In-process quality control : Have a full inspection and routing inspection during mass production
4) Final quality control : Checking the goods after they are finished
5) Outgoing quality control : Checking the goods after they are finished
More products
| Wheel Bearing | Dimensions(mm) | Mass | Hub Assembly | Clutch Bearing | Truck Bearng | Taper roller bearing | Wheel bearing kit | Wheel Bearing | |||
| d | D | B | C | ||||||||
| DAC2552Z NISMO V6 3.7L 3696CC VQ37VHR Z TOURING V6 3.7L 3696CC VQ37VHR 2/SP5 | REAR | ||||||||||
| 229 | 28473-FG | LIBERTY IV [2 | B9 TRIBECA BASE MODEL H6 3.0L 3 | XV 13-/xv 13/ | REAR | ||||||
| 234 | 24873-AJ00A 28473-SC000 28473-FJ000 28473-FG000 VKBA7479 |
FORESTER (SH) [2008-]IMPREZA Hatchback (GR, GH, G3) [2007-2014]LEGACY V (BM) [2009-]LEGACY V Estate (BR) [2008-2014]OUTBACK (BR) [2009-] | |||||||||
Company Profile
Rainbow auto parts focuses on the production and sales of auto parts. Our auto parts have been exported to all over the world and have won praise from customers.
We will strictly check the product production process:
- Checking the raw material after they reach our factory
- Checking the details before the production line operated
- Have a full inspection and routing inspection during mass production
- Checking the goods after they are finished
Packaging & Shipping
ORIGINAL PACKING/ NEUTRAL PACKING/ PACKAGING AS CUSTOMER REQUIRE
FAQ
Q1: What is the MOQ?
A: It depends on what you are buying. Small MOQ can be acceptable.
Q2:Can you customize my products?
A: Yes, we can customize products with your design drawings.
Q3:What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.
Q4:What is your terms of packing?
A: Generally,we use brown boxes for packing. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q5:How about your delivery time?
A: If the product is in stock, the delivery time is 1 week after payment. If there is no stock, the delivery time is 30 days.
Q6:Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q7:What can I do if the item damaged during transportation?
A: Our customer service staffs will help you with any questions or concerns. Under any circumstance, we will pack products well before shipping. So if any damage on products, please take pictures for us. We will figure out a solve way.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Full After Sale Service |
|---|---|
| Warranty: | 30000-50000 Km |
| Type: | Wheel Bearing |
| Samples: |
US$ 9/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-04-23
China factory Bridge Basin Rubber Bearing Gpz Corridor Sliding Ball Steel Grid Bearing Plate Building Isolation Rubber Bearing bearing assembly
Product Description
Product Description
|
item |
value |
|
Place of Origin |
China |
|
|
ZheJiang |
|
Brand Name |
XIHU (WEST LAKE) DIS. |
|
Processing Service |
Moulding, Cutting |
|
Material |
Rubber + steel plate |
|
Product name |
High Damping Seismic Isolation Rubber Bearing |
|
Color |
Customer’s Request |
|
Application |
Bridge,building |
|
Size |
Accpet Customers’ Designs |
|
Certification |
ISO9001 |
|
MOQ |
10 Pcs |
|
Quality |
High-Quality |
|
Temperature |
-40 C~+120 C’ |
|
Feature |
Durable |
Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials
HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.
Our Advantages
Packaging & Shipping
Certifications
FAQ
| 1. Are you factory or trading company ? can you send sample to us and how long could it take? | We are a factory, we can mail samples, the specific time depends on the express delivery. |
| 2. Can we have them with different performance or our own design? | Can be customized according to your drawings |
| 3. What is your MOQ ? | The minimum order quantity is determined according to the product type |
| 4. Can I print your logo on the carton box? | Yes |
| 5. Do you offer customized packaging ? | Custom packaging is available |
| 6. Any discount ? | The specific price can be discussed |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Technical Guidance |
|---|---|
| Warranty: | 1-3 Years |
| Certification: | GB |
| Usage: | Beam Bridge, Highway Bridge, Railroad Bridge |
| Structure: | Laminated Rubber Bearing |
| Material: | Rubber Bearing |
| Customization: |
Available
| Customized Request |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
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 2024-04-23
China Professional Angular Contact Rolling Ball Bearings bearing engineering
Product Description
Angular Contact Rolling Ball Bearings
We make various kinds of ball bearing as per customer’s drawing and samples. Our ball bearing is widely applied the different industrials.
Quality comes from being controlled rather than be done. On the basis of the escalating production equipment and optimized process, CZPT spare no efforts and keeps improving for quality control. Quality assurance covered with system, technology and human resources are in full swing.
Confidence comes from strength, quality is derived from strict control and management. CZPT all along works for constant high quality products.
High carbon chrome bearing steel is a general and normally best material for bearing rings and rolling elements.
Chemical composition of bearing steel GCr 15
| element content(Wt%) | |||||
| C 0.95~1.05 |
Cr 1.4~1.65 |
Si 0.15~0.35 |
Mn 0.25~0.45 |
P ≤0.571 |
S ≤0.02 |
| Ni <0.23 |
Cu ≤0.25 |
Mo ≤0.1 |
Sn <0.03 |
As <0.04 |
Ti <0.005 |
| Sb <0.002 |
Pb <0.002 |
O <0.001 |
Al <0.05 |
Ca <0.01 |
|
Competitive advantages
1. Our ball bearing has a wide application, such as automotive industry, household appliances, power tools and etc.
2. We directly supply our ball bearing to many countries, like USA, France, Turkey, India, Brazil, Argentina, Mexico etc.
3. We have a wide range of ball bearing.
4. We could customize ball bearing for our customer.
Information needed for ball bearing inquiry
It will be better if customer could send us detailed drawing including below information.
1.Ball bearing model number
2. Ball bearing dimension
3. Ball bearing application
4. Required quantity
5. Other technical requirement.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | Customized |
|---|---|
| Aligning: | Customized |
| Separated: | Customized |
| Rows Number: | Customized |
| Load Direction: | Customized |
| Material: | Bearing Steel |
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 are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-04-23
China wholesaler NSK, NTN. Koyo,Angular Contact Ball Bearings,7348c,7348CTA,7348ceta,7348acm,B7348c,7352c,7352CTA,7352ceta,7352acm,B7352c,7356c,7356CTA,7356ceta,7356acm,B7356c, bearing engineering
Product Description
Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis. This means that these bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.
The axial load carrying capacity of angular contact ball bearings increases as the contact angle increases. The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the combined load is transmitted from 1 raceway to another, and a line perpendicular to the bearing axis.
The most commonly used designs are:
- single row angular contact ball bearings.
- double row angular contact ball bearings.
- four-point contact ball bearings.
| Part No. | d/mm | D/mm | B/mm | Load Rating(KN) | Limited Speed(r/min) | Load Rating(KN) | Limited Speed(r/min) | ||||
| Cr/KN | Cor/KN | Grease | Oil | Cr/KN | Cor/KN | Grease | Oil | ||||
| 718 serie | α=15°(C) | α=25°(AC) | |||||||||
| 71800 | 10 | 19 | 5 | 1.8 | 1.1 | 75000 | 120000 | 1.7 | 1.1 | 70000 | 110000 |
| 71801 | 12 | 21 | 5 | 2 | 1.4 | 70000 | 110000 | 1.9 | 1.3 | 63000 | 95000 |
| 71802 | 15 | 24 | 5 | 2.2 | 1.8 | 60000 | 90000 | 2.1 | 1.7 | 53000 | 80000 |
| 71803 | 17 | 26 | 5 | 2.3 | 1.9 | 53000 | 80000 | 2.1 | 1.8 | 50000 | 75000 |
| 71804 | 20 | 32 | 7 | 3.9 | 3.4 | 45000 | 67000 | 3.7 | 3.2 | 40000 | 60000 |
| 71805 | 25 | 37 | 7 | 4.2 | 4.1 | 38000 | 56000 | 3.9 | 3.9 | 34000 | 50000 |
| 71806 | 30 | 42 | 7 | 4.4 | 4.8 | 32000 | 48000 | 4.1 | 4.5 | 28000 | 43000 |
| 71807 | 35 | 47 | 7 | 4.6 | 5.5 | 26000 | 40000 | 4.3 | 5.2 | 24000 | 38000 |
| 71815 | 75 | 95 | 10 | 14.2 | 21.7 | 12000 | 19000 | 13.3 | 20.5 | 11000 | 18000 |
| 71816 | 80 | 100 | 10 | 14.5 | 23.1 | 11000 | 18000 | 13.6 | 21.8 | 9500 | 16000 |
| 71817 | 85 | 110 | 13 | 21.5 | 32.2 | 10000 | 17000 | 20.2 | 30.5 | 9000 | 15000 |
| 71818 | 90 | 115 | 13 | 21.7 | 33.5 | 9500 | 16000 | 20.4 | 31.6 | 8500 | 14000 |
| 71819 | 95 | 120 | 13 | 21.9 | 34.7 | 9000 | 15000 | 20.6 | 32.8 | 8500 | 14000 |
| 71820 | 100 | 125 | 13 | 22.5 | 37 | 8500 | 14000 | 21.2 | 34.9 | 8000 | 13000 |
| 71821 | 105 | 130 | 13 | 22.7 | 38.3 | 8500 | 14000 | 21.3 | 36.1 | 8000 | 13000 |
| 71822 | 110 | 140 | 16 | 31.8 | 51.6 | 8000 | 13000 | 29.9 | 48.7 | 7500 | 12000 |
| 71824 | 120 | 150 | 16 | 33.1 | 56.9 | 7000 | 11000 | 31.1 | 53.7 | 6700 | 10000 |
| 71826 | 130 | 165 | 18 | 38.7 | 67.6 | 6700 | 10000 | 36.3 | 63.8 | 6000 | 9000 |
| 71828 | 140 | 175 | 18 | 44.8 | 79.2 | 6000 | 9000 | 42 | 74.7 | 5600 | 8500 |
| 71830 | 150 | 190 | 20 | 51.2 | 92 | 5600 | 8500 | 48 | 86.8 | 5000 | 7500 |
| 71832 | 160 | 200 | 20 | 52.4 | 97.7 | 5000 | 7500 | 49.2 | 92.2 | 4800 | 7000 |
| 71834 | 170 | 215 | 22 | 66.5 | 123.4 | 4800 | 7000 | 62.4 | 116.5 | 4300 | 6300 |
| 71836 | 180 | 225 | 22 | 83.8 | 151.6 | 4800 | 7000 | 78.6 | 143 | 4300 | 6300 |
| 71838 | 190 | 240 | 24 | 100 | 179 | 4500 | 6700 | 94.4 | 169.2 | 4000 | 6000 |
| 71840 | 200 | 250 | 24 | 102.5 | 189.3 | 4300 | 6300 | 96.2 | 178.6 | 3800 | 5600 |
| 71844 | 220 | 270 | 24 | 106.4 | 209.3 | 3800 | 5600 | 99.8 | 197.4 | 3400 | 5000 |
| 71848 | 240 | 300 | 28 | 145 | 277 | 3400 | 5000 | 136 | 261 | 3000 | 4500 |
| 71852 | 260 | 320 | 28 | 148.8 | 299.3 | 3100 | 4600 | 139.6 | 282.3 | 2700 | 4100 |
| 71856 | 280 | 350 | 33 | 182 | 363.8 | 2800 | 4100 | 170.8 | 343.3 | 2400 | 3700 |
| Part No. | d/mm | D/mm | B/mm | Load Rating(KN) | Limited Speed(r/min) | Load Rating(KN) | Limited Speed(r/min) | ||||
| Cr/KN | Cor/KN | Grease | Oil | Cr/KN | Cor/KN | Grease | Oil | ||||
| 719 serie | α=15°(C) | α=25°(AC) | |||||||||
| 71907 | 35 | 55 | 10 | 11 | 10.9 | 26000 | 40000 | 10.4 | 10.3 | 20000 | 34000 |
| H71907 | 35 | 55 | 10 | 7.7 | 5.4 | 36000 | 53000 | 7.4 | 5.1 | 30000 | 45000 |
| H71907/HQ1 | 35 | 55 | 10 | 7.7 | 5.4 | 40000 | 60000 | 7.4 | 5.1 | 34000 | 50000 |
| 71908 | 40 | 62 | 12 | 14 | 14.2 | 20000 | 34000 | 13.3 | 13.5 | 18000 | 30000 |
| H71908 | 40 | 62 | 12 | 9.8 | 7 | 30000 | 45000 | 9.3 | 6.6 | 26000 | 40000 |
| H71908/HQ1 | 40 | 62 | 12 | 9.8 | 7 | 34000 | 50000 | 9.3 | 6.6 | 28000 | 43000 |
| 71909 | 45 | 68 | 12 | 14.7 | 16.1 | 18000 | 30000 | 13.9 | 15.2 | 17000 | 28000 |
| H71909 | 45 | 68 | 12 | 10.3 | 7.7 | 26000 | 40000 | 9.7 | 7.3 | 22000 | 36000 |
| H71909/HQ1 | 45 | 68 | 12 | 10.3 | 7.7 | 28000 | 43000 | 9.7 | 7.3 | 26000 | 40000 |
| 71910 | 50 | 72 | 12 | 19 | 21.2 | 17000 | 28000 | 17.9 | 20.1 | 15000 | 24000 |
| H71910 | 72 | 12 | 13.2 | 10.2 | 22000 | 36000 | 12.5 | 9.5 | 19000 | 32000 | |
| H71910/HQ1 | 50 | 72 | 12 | 13.2 | 10.2 | 26000 | 40000 | 12.5 | 9.5 | 22000 | 36000 |
| 71911 | 55 | 80 | 13 | 23.7 | 27.4 | 15000 | 24000 | 22.4 | 26 | 14000 | 22000 |
| H71911 | 55 | 80 | 13 | 16.2 | 12.5 | 19000 | 32000 | 15.2 | 11.8 | 16000 | 26000 |
| H71911/HQ1 | 55 | 80 | 13 | 16.2 | 12.5 | 22000 | 36000 | 15.2 | 11.8 | 22000 | 36000 |
| 71912 | 60 | 85 | 13 | 24.8 | 30.3 | 14000 | 22000 | 23.3 | 28.7 | 13000 | 20000 |
| H71912 | 60 | 85 | 13 | 16.5 | 13.8 | 18000 | 30000 | 15.8 | 13.2 | 15000 | 24000 |
| H71912/HQ1 | 60 | 85 | 13 | 16.5 | 13.8 | 19000 | 32000 | 15.8 | 13.2 | 20000 | 34000 |
| 71913 | 65 | 90 | 13 | 25.1 | 31.9 | 13000 | 20000 | 23.6 | 30.2 | 12000 | 19000 |
| H71913 | 65 | 90 | 13 | 16.8 | 14.5 | 17000 | 28000 | 16.2 | 13.8 | 15000 | 24000 |
| H71913/HQ1 | 65 | 90 | 13 | 16.8 | 14.5 | 19000 | 32000 | 16.2 | 13.8 | 17000 | 28000 |
| 71914 | 70 | 100 | 16 | 34.5 | 43.4 | 12000 | 19000 | 32.6 | 41.2 | 11000 | 18000 |
| H71914 | 70 | 100 | 16 | 20.8 | 17.8 | 16000 | 26000 | 19.8 | 16.8 | 13000 | 20000 |
| H71914/HQ1 | 70 | 100 | 16 | 20.8 | 17.8 | 19000 | 32000 | 19.8 | 16.8 | 17000 | 28000 |
| 71915 | 75 | 105 | 16 | 25 | 45.6 | 11000 | 18000 | 33 | 43.2 | 95000 | 16000 |
| H71915 | 75 | 105 | 16 | 21.8 | 19.2 | 15000 | 24000 | 20.5 | 18.2 | 13000 | 20000 |
| H71915/HQ1 | 75 | 105 | 16 | 21.8 | 19.2 | 17000 | 28000 | 20.5 | 18.2 | 15000 | 24000 |
| 71916 | 80 | 110 | 16 | 35.5 | 47.8 | 10000 | 17000 | 33.5 | 45.3 | 9000 | 15000 |
| H71916 | 80 | 110 | 16 | 22.5 | 20.8 | 14000 | 22000 | 21.2 | 19.5 | 12000 | 19000 |
| H71916/HQ1 | 80 | 110 | 16 | 22.5 | 20.8 | 16000 | 26000 | 21.2 | 19.5 | 14000 | 24000 |
| 71917 | 120 | 18 | 46.5 | 61.9 | 9500 | 16000 | 43.8 | 58.6 | 8500 | 14000 | |
| H71917 | 85 | 120 | 18 | 26.2 | 24.2 | 13000 | 20000 | 24.8 | 22.8 | 11000 | 18000 |
| H71917/HQ1 | 85 | 120 | 18 | 26.2 | 24.2 | 15000 | 24000 | 24.8 | 22.8 | 13000 | 20000 |
| 71918 | 90 | 125 | 18 | 47.2 | 64.8 | 9000 | 15000 | 44.5 | 61.4 | 8000 | 13000 |
| H71918 | 90 | 125 | 18 | 27.2 | 26.2 | 13000 | 20000 | 25.5 | 24.5 | 11000 | 18000 |
| H71918/HQ1 | 90 | 125 | 18 | 27.2 | 26.2 | 15000 | 24000 | 25.5 | 24.5 | 13000 | 20000 |
| 71919 | 95 | 130 | 18 | 47.9 | 67.8 | 9000 | 15000 | 45.2 | 64.1 | 8000 | 13000 |
| H71919 | 95 | 130 | 18 | 27.2 | 26.8 | 12000 | 19000 | 25.8 | 25.5 | 11000 | 18000 |
| H71919/HQ1 | 95 | 130 | 18 | 27.2 | 26.8 | 14000 | 22000 | 25.8 | 25.5 | 13000 | 20000 |
| 71920 | 100 | 140 | 20 | 60.4 | 84.4 | 8500 | 14000 | 56.9 | 79.9 | 8000 | 13000 |
| H71920 | 100 | 140 | 20 | 40.2 | 37.5 | 11000 | 18000 | 37.8 | 35.5 | 9000 | 15000 |
| H71920/HQ1 | 100 | 140 | 20 | 40.2 | 37.5 | 13000 | 20000 | 37.8 | 35.5 | 11000 | 18000 |
| 71921 | 105 | 145 | 20 | 61.4 | 88.2 | 8000 | 13000 | 57.8 | 83.5 | 7500 | 12000 |
| H71921 | 105 | 145 | 20 | 40.8 | 39.2 | 10000 | 17000 | 38.5 | 36.8 | 8500 | 14000 |
| H71921/HQ1 | 105 | 145 | 20 | 40.8 | 39.2 | 12000 | 19000 | 38.5 | 36.8 | 10000 | 17000 |
| 71922 | 110 | 150 | 20 | 62.3 | 91.9 | 7500 | 12000 | 58.7 | 87 | 7000 | 11000 |
| H71922 | 110 | 150 | 20 | 41.2 | 40.5 | 9000 | 15000 | 39.2 | 38.2 | 7500 | 12000 |
| H71922/HQ1 | 110 | 150 | 20 | 41.2 | 40.5 | 11000 | 18000 | 39.2 | 38.2 | 9500 | 16000 |
| 71924 | 120 | 165 | 22 | 73.7 | 107.6 | 7000 | 11000 | 69.5 | 101.9 | 6700 | 10000 |
| H71924 | 120 | 165 | 22 | 43.2 | 44.8 | 8500 | 14000 | 40.5 | 42.5 | 7500 | 12000 |
| H71924/HQ1 | 120 | 165 | 22 | 43.2 | 44.8 | 10000 | 17000 | 40.8 | 42.5 | 9000 | 15000 |
| 71926 | 130 | 180 | 24 | 76.3 | 117.1 | 6700 | 10000 | 71.9 | 110.9 | 6000 | 9000 |
| H71926 | 130 | 180 | 24 | 53.2 | 56.5 | 8000 | 13000 | 50.2 | 53.5 | 7500 | 12000 |
| H71926/HQ1 | 130 | 180 | 24 | 53.2 | 56.5 | 9000 | 15000 | 50.2 | 53.5 | 8000 | 14000 |
| 71928 | 140 | 190 | 24 | 78.9 | 126.4 | 6000 | 9000 | 74.4 | 119.7 | 5600 | 8500 |
| H71928 | 140 | 190 | 24 | 53.8 | 59.2 | 7000 | 11000 | 50.8 | 55.8 | 6700 | 10000 |
| H71928/HQ1 | 140 | 190 | 24 | 53.8 | 59.2 | 8000 | 13000 | 50.8 | 55.8 | 7500 | 12000 |
| 71930 | 150 | 210 | 28 | 118.2 | 175.1 | 5600 | 8500 | 111.4 | 165.8 | 5000 | 7500 |
| H71930 | 150 | 210 | 28 | 65.2 | 72.8 | 6700 | 10000 | 61.5 | 68.8 | 6000 | 9000 |
| H71930/HQ1 | 150 | 210 | 28 | 65.2 | 72.8 | 7500 | 12000 | 61.5 | 68.8 | 7000 | 11000 |
| 71932 | 160 | 220 | 28 | 123.6 | 191.2 | 5000 | 7500 | 116.5 | 181.1 | 4800 | 7000 |
| H71932 | 160 | 220 | 28 | 66.2 | 75.8 | 6000 | 9000 | 62.5 | 71.5 | 5600 | 8500 |
| H71932/HQ1 | 220 | 28 | 66.2 | 75.8 | 7000 | 11000 | 62.5 | 71.5 | 6700 | 10000 | |
| 71934 | 170 | 230 | 28 | 125.7 | 200 | 4800 | 7000 | 118.5 | 189.4 | 4300 | 6300 |
| H71934 | 170 | 230 | 28 | 66.8 | 78.8 | 5600 | 8500 | 63.2 | 74.5 | 5000 | 7500 |
| H71934/HQ1 | 170 | 230 | 28 | 66.8 | 78.8 | 6700 | 10000 | 63.2 | 74.2 | 6000 | 9000 |
| 71936 | 180 | 250 | 33 | 159.7 | 249.1 | 4500 | 6700 | 150.6 | 235.9 | 4000 | 6000 |
| H71936 | 180 | 250 | 33 | 79.5 | 95.2 | 5000 | 7500 | 75.2 | 89.8 | 4800 | 7000 |
| H71936/HQ1 | 180 | 250 | 33 | 79.5 | 95.2 | 6000 | 9000 | 75.2 | 89.8 | 5600 | 8500 |
| 71938 | 190 | 260 | 33 | 162.8 | 260.8 | 4300 | 6300 | 153.5 | 247 | 3800 | 5600 |
| H71938 | 190 | 260 | 33 | 80.5 | 98.5 | 4800 | 7000 | 76.2 | 93.2 | 4300 | 6300 |
| H71938/HQ1 | 190 | 260 | 33 | 80.5 | 98.5 | 5600 | 8500 | 76.2 | 93.2 | 5000 | 7500 |
| 71940 | 200 | 280 | 38 | 198.4 | 311.4 | 3800 | 5600 | 187.1 | 294.9 | 3600 | 5300 |
| H71940 | 200 | 280 | 38 | 82.8 | 105.5 | 4500 | 6700 | 78.2 | 99.5 | 4000 | 6000 |
| H71940/HQ1 | 200 | 280 | 38 | 82.8 | 105.5 | 5000 | 7500 | 78.2 | 99.5 | 4500 | 6700 |
| 71944 | 220 | 300 | 38 | 206.6 | 341.1 | 3600 | 5300 | 194.8 | 323 | 3200 | 4800 |
| H71944 | 220 | 300 | 38 | 96.9 | 125.4 | 4300 | 6300 | 91.5 | 118.4 | 3800 | 5600 |
| H71944/HQ1 | 220 | 300 | 38 | 96.9 | 125.4 | 5000 | 7500 | 91.5 | 118.4 | 4300 | 6300 |
| 71948 | 240 | 320 | 38 | 219.2 | 384.2 | 3200 | 4800 | 206.7 | 363.8 | 3000 | 4500 |
| H71948 | 240 | 320 | 38 | 153 | 216 | 3900 | 5800 | 146 | 200 | 3500 | 5200 |
| H71948/HQ1 | 240 | 320 | 38 | 153 | 216 | 4500 | 6500 | 146 | 200 | 4000 | 5800 |
| 71952 | 260 | 360 | 46 | 284.6 | 528.8 | 3000 | 4500 | 268.3 | 500.8 | 2600 | 4000 |
| 71956 | 280 | 380 | 46 | 288.7 | 554.6 | 2600 | 4000 | 272.2 | 525.5 | 2200 | 3600 |
| Mod. No. | d | D | Height | Cr | Cor | Grease | Oil | Weight |
| (mm) | (mm) | (mm) | (kN) | (kN) | (r/min) | (r/min) | (kg) | |
| 7571C | 50 | 80 | 16 | 26 | 21.9 | 13000 | 17000 | 0.29 |
| 7571AC | 50 | 80 | 16 | 23.6 | 20.1 | 9200 | 11000 | 0.29 |
| 7210C | 50 | 90 | 20 | 42.8 | 31.8 | 12000 | 16000 | 0.485 |
| 7210AC | 50 | 90 | 20 | 39.4 | 41.3 | 8500 | 11000 | 0.485 |
| 7210B | 50 | 90 | 20 | 37.535.7 | 26.7 | 6400 | 8500 | 0.485 |
| 7310B | 50 | 110 | 27 | 64.4 | 44.3 | 5500 | 7300 | 1.14 |
| 7410B | 50 | 130 | 31 | 90.2 | 60.4 | 4400 | 6000 | 1.92 |
| 7011C | 55 | 90 | 18 | 34.1 | 28.6 | 11000 | 15000 | 0.42 |
| 7011AC | 55 | 90 | 18 | 31.1 | 26.3 | 8300 | 10000 | 0.42 |
| 7211C | 55 | 100 | 21 | 52.9 | 40.2 | 11000 | 14000 | 0.635 |
| 7211AC | 55 | 100 | 21 | 48.7 | 37.1 | 7600 | 9500 | 0.635 |
| 7211B | 55 | 100 | 21 | 44.1 | 33.8 | 5700 | 7600 | 0.635 |
| 7311B | 55 | 120 | 29 | 74.3 | 52 | 5000 | 6700 | 1.45 |
| 7012C | 60 | 95 | 18 | 35 | 30.6 | 11000 | 14000 | 0.45 |
| 7012AC | 60 | 95 | 18 | 31.9 | 28.1 | 7700 | 9700 | 0.45 |
| 7212C | 60 | 110 | 22 | 64 | 49.5 | 9500 | 13000 | 0.82 |
| 7212AC | 60 | 110 | 22 | 58.9 | 45.7 | 6900 | 8600 | 0.82 |
| 7212B | 60 | 110 | 22 | 53.4 | 41.6 | 5100 | 6900 | 0.82 |
| 7312B | 60 | 130 | 31 | 84.9 | 60.3 | 4600 | 6200 | 1.81 |
| 7412B | 60 | 150 | 35 | 119 | 86.7 | 3700 | 5100 | 2.85 |
| 7013C | 65 | 100 | 18 | 37.1 | 34.3 | 10000 | 13000 | 0.47 |
| 7013AC | 65 | 100 | 18 | 33.7 | 31.4 | 7200 | 9000 | 0.47 |
| 7213C | 65 | 120 | 23 | 73.1 | 58.7 | 8900 | 12000 | 1.02 |
| 7213AC | 65 | 120 | 23 | 67.3 | 54.2 | 6400 | 8000 | 1.02 |
| 7213B | 65 | 120 | 23 | 60.9 | 49.3 | 4800 | 6400 | 1.02 |
| 7313B | 65 | 140 | 33 | 96.1 | 69.3 | 4300 | 5800 | 2.22 |
| 7014C | 70 | 110 | 20 | 46.9 | 43 | 9200 | 12000 | 0.66 |
| 7014AC | 70 | 110 | 20 | 42.7 | 39.4 | 6600 | 8300 | 0.66 |
| 7214C | 70 | 125 | 24 | 75.9 | 60.2 | 8400 | 11000 | 1.12 |
| 7214AC | 70 | 125 | 24 | 69.8 | 55.6 | 6100 | 7600 | 1.12 |
| 7214B | 70 | 125 | 24 | 63.2 | 50.6 | 4600 | 6100 | 1.12 |
| 7314B | 70 | 150 | 35 | 108 | 78.9 | 4000 | 5400 | 2.7 |
| 7015C | 75 | 115 | 20 | 48 | 45.6 | 8700 | 11000 | 0.69 |
| 7015AC | 75 | 115 | 20 | 43.6 | 41.7 | 6300 | 7800 | 0.69 |
| 7215C | 75 | 130 | 25 | 86.1 | 70.6 | 8000 | 11000 | 1.23 |
| 7215AC | 75 | 130 | 25 | 79.2 | 65.2 | 5800 | 7200 | 1.23 |
| 7215B | 75 | 130 | 25 | 71.7 | 59.3 | 4300 | 5800 | 1.23 |
| 7915B | 75 | 160 | 37 | 125 | 98.5 | 3400 | 4500 | 3.3 |
| 7016C | 80 | 125 | 22 | 58.7 | 55.3 | 8000 | 11000 | 0.93 |
| 7016AC | 80 | 125 | 22 | 53.4 | 50.6 | 5800 | 7200 | 0.93 |
| 7216C | 80 | 140 | 26 | 92.8 | 77.5 | 7500 | 9900 | 1.5 |
| 7216AC | 80 | 140 | 26 | 85.3 | 71.5 | 5400 | 6700 | 1.5 |
| 7216B | 80 | 140 | 26 | 77.1 | 65 | 4000 | 5400 | 1.5 |
| 7316B | 80 | 170 | 39 | 127 | 100 | 3500 | 4700 | 3.85 |
| 7017C | 85 | 130 | 22 | 60.1 | 58.7 | 7600 | 10000 | 0.97 |
| 7017AC | 85 | 130 | 22 | 54.6 | 53.7 | 5500 | 6800 | 0.97 |
| 7217C | 85 | 150 | 28 | 107 | 90.6 | 7000 | 9200 | 1.87 |
| 7217AC | 85 | 150 | 28 | 98.6 | 83.6 | 5000 | 6300 | 1.87 |
| 7217B | 85 | 150 | 28 | 89.2 | 76 | 3800 | 5000 | 1.87 |
| 7317B | 85 | 180 | 41 | 137 | 112 | 3300 | 4400 | 4.53 |
| 7018C | 90 | 140 | 24 | 71.7 | 69.1 | 7100 | 9400 | 1.26 |
| 7018AC | 90 | 140 | 24 | 65.2 | 63.3 | 5100 | 6400 | 1.26 |
| 7218C | 90 | 160 | 30 | 123 | 105 | 6500 | 8600 | 2.3 |
| 7218AC | 90 | 160 | 30 | 113 | 96.7 | 4700 | 5900 | 2.3 |
| 7218B | 90 | 160 | 30 | 102 | 88 | 3500 | 4700 | 2.3 |
| 7318B | 90 | 190 | 43 | 148 | 124 | 3100 | 4200 | 5.3 |
| 7019C | 95 | 145 | 24 | 73.4 | 73.4 | 6700 | 8900 | 1.32 |
| 7019AC | 95 | 145 | 24 | 66.6 | 67.1 | 4800 | 6000 | 1.32 |
| 7219C | 95 | 170 | 32 | 133 | 112 | 6100 | 8100 | 2.78 |
| 7219AC | 95 | 170 | 32 | 122 | 103 | 4400 | 5500 | 2.78 |
| 7219B | 95 | 170 | 32 | 111 | 94 | 3300 | 4400 | 2.78 |
| 7319B | 95 | 200 | 45 | 158 | 137 | 3000 | 4000 | 6.12 |
| 7000 Series – Angular Contact Ball Bearing | ||||||||
| Angular single row ball bearing have a 40° contact angle | ||||||||
| Item No. | Dimensions | Basic Load Ratings (N) | Speed (1/min) | Mass | ||||
| (mm) | Dynamic | Static | (kg) | |||||
| d | D | B | Cr | C0r | Limiting | Reference | approx. | |
| 7004 | 20 | 42 | 12 | 13,400 | 7,500 | 18,000 | – | 0.061 |
| 7005 | 25 | 47 | 12 | 15,000 | 9,300 | 16,000 | – | 0.071 |
| 7006 | 30 | 55 | 13 | 18,300 | 12,500 | 14,000 | – | 0.109 |
| 7007 | 35 | 62 | 14 | 22,400 | 16,000 | 12,000 | – | 0.14 |
| 7008 | 40 | 68 | 15 | 26,000 | 18,600 | 10,000 | – | 0.17 |
| 7200 Series – Angular Contact Ball Bearing | ||||||||
| Angular single row ball bearing have a 40° contact angle | ||||||||
| Item No. | Dimensions | Basic Load Ratings (N) | Speed (1/min) | Mass | ||||
| (mm) | Dynamic | Static | (kg) | |||||
| d | D | B | Cr | C0r | Limiting | Reference | approx. | |
| 7200 | 10 | 30 | 9 | 5,000 | 2,600 | 32,000 | 26,000 | 0.033 |
| 7201 | 12 | 32 | 10 | 6,950 | 3,550 | 28,000 | 26,000 | 0.035 |
| 7202 | 15 | 35 | 11 | 8,000 | 4,450 | 24,000 | 22,000 | 0.044 |
| 7203 | 17 | 40 | 12 | 10,000 | 5,700 | 20,000 | 20,000 | 0.064 |
| 7204 | 20 | 47 | 14 | 13,400 | 7,800 | 18,000 | 18,000 | 0.103 |
| 7205 | 25 | 52 | 15 | 14,600 | 9,300 | 16,000 | 16,000 | 0.127 |
| 7206 | 30 | 62 | 16 | 20,400 | 14,100 | 13,000 | 13,000 | 0.197 |
| 7207 | 35 | 72 | 17 | 27,000 | 19,000 | 11,000 | 12,000 | 0.29 |
| 7208 | 40 | 80 | 17 | 32,000 | 23,500 | 9,500 | 10,000 | 0.367 |
| 7209 | 45 | 85 | 19 | 36,000 | 27,000 | 8,500 | 9,500 | 0.411 |
| 7210 | 50 | 90 | 20 | 37,500 | 28,500 | 8,000 | 9,000 | 0.456 |
| 7211 | 55 | 100 | 21 | 46,500 | 38,500 | 7,000 | 8,500 | 0.604 |
| 7212 | 60 | 110 | 22 | 56,000 | 45,000 | 6,300 | 7,500 | 0.777 |
| 7213 | 65 | 120 | 23 | 64,000 | 55,000 | 6,000 | 7,000 | 1.08 |
| 7214 | 70 | 125 | 24 | 69,500 | 62,000 | 5,600 | 6,700 | 1.17 |
| 7215 | 75 | 130 | 25 | 68,000 | 62,000 | 5,300 | 6,700 | 1.25 |
| 7216 | 80 | 140 | 26 | 80,000 | 72,000 | 5,000 | 6,000 | 1.53 |
| 7217 | 85 | 150 | 28 | 90,000 | 86,000 | 4,500 | 6,000 | 1.94 |
| 7218 | 90 | 160 | 30 | 106,000 | 98,000 | 4,300 | 5,600 | 2.38 |
| 7219 | 95 | 170 | 32 | 116,000 | 106,000 | 4,000 | 5,300 | 2.64 |
| 7220 | 100 | 180 | 34 | 137,000 | 132,000 | 3,800 | 5,000 | 3.45 |
| 7221 | 105 | 190 | 36 | 144,000 | 142,000 | 6,000 | 4,800 | 4.18 |
| 7222 | 110 | 200 | 38 | 155,000 | 154,000 | 3,600 | 4,500 | 4.7 |
| 7224 | 120 | 215 | 40 | 169,000 | 178,000 | 3,400 | 4,300 | 5.31 |
| 7226 | 130 | 230 | 40 | 186,000 | 204,000 | 3,200 | 3,800 | 6.12 |
| 7228 | 140 | 250 | 42 | 198,000 | 231,000 | 4,800 | 3,400 | 8.55 |
| 7230 | 150 | 270 | 45 | 227000 | 275000 | 4,500 | 3000 | 10.9 |
| 7232 | 160 | 290 | 48 | 236,000 | 280,000 | 4,300 | 2,800 | 13.5 |
| 7234 | 170 | 310 | 52 | 265,000 | 325,000 | 3,800 | 2,600 | 16.7 |
| 7300 Series – Angular Contact Ball Bearing | ||||||||
| Angular single row ball bearing have a 40° contact angle | ||||||||
| Item No. | Dimensions | Basic Load Ratings (N) | Speed (1/min) | Mass | ||||
| (mm) | Dynamic | Static | (kg) | |||||
| d | D | B | Cr | C0r | Limiting | Reference | approx. | |
| 7301 | 12 | 37 | 12 | 10.600 | 5.300 | 24.000 | 19.000 | 0,066 |
| 7302 | 15 | 42 | 13 | 13.200 | 7.200 | 20.000 | 17.000 | 0,081 |
| 7303 | 17 | 47 | 14 | 16.300 | 9.000 | 18.000 | 15.000 | 0,11 |
| 7304 | 20 | 52 | 15 | 19.000 | 11.100 | 17.000 | 13.000 | 0,143 |
| 7305 | 25 | 62 | 17 | 26.000 | 15.800 | 14.000 | 11.000 | 0,242 |
| 7306 | 30 | 72 | 19 | 33.000 | 2.210 | 11.000 | 10.000 | 0,341 |
| 7307 | 35 | 80 | 21 | 40.000 | 27.500 | 9.500 | 9.000 | 0,447 |
| 7308 | 40 | 90 | 23 | 50.000 | 34.500 | 8.500 | 8.500 | 0,646 |
| 7309 | 45 | 100 | 25 | 61.000 | 43.000 | 7.500 | 7.500 | 0,813 |
| 7310 | 50 | 110 | 27 | 70.000 | 50.000 | 7.000 | 7.000 | 1,13 |
| 7311 | 55 | 120 | 29 | 80.000 | 61.000 | 6.300 | 6.700 | 1,46 |
| 7312 | 60 | 130 | 31 | 90.000 | 69.000 | 5.600 | 6.300 | 1,74 |
| 7313 | 65 | 140 | 33 | 103.000 | 82.000 | 5.300 | 6.000 | 2,12 |
| 7314 | 70 | 150 | 35 | 117.000 | 93.000 | 5.000 | 5.600 | 2,58 |
| 7315 | 75 | 160 | 37 | 130.000 | 107.000 | 4.500 | 5.300 | 3,29 |
| 7316 | 80 | 170 | 39 | 144.000 | 124.000 | 4.300 | 4.800 | 3,66 |
| 7317 | 85 | 180 | 41 | 155.000 | 138.000 | 4.000 | 4.500 | 4,4 |
| 7318 | 90 | 190 | 43 | 167.000 | 155.000 | 3.800 | 4.300 | 5,14 |
| 7319 | 95 | 200 | 45 | 176.000 | 167.000 | 3.800 | 4.000 | 5,93 |
| 7320 | 100 | 215 | 47 | 199.000 | 197.000 | 3.600 | 3.600 | 7,16 |
| 7321 | 105 | 225 | 49 | 209.000 | 214.000 | 5.300 | 3.400 | 9,0 |
| 7322 | 110 | 240 | 50 | 232.000 | 245.000 | 3.400 | 3.200 | 9,97 |
| 7324 | 120 | 260 | 55 | 255.000 | 285.000 | 3.200 | 3.000 | 12,5 |
| 7326 | 130 | 280 | 58 | 285.000 | 325.000 | 3.000 | 2.600 | 15,1 |
| 7328 | 140 | 300 | 62 | 300.000 | 345.000 | 4.300 | 2.400 | 20,5 |
| 7330 | 150 | 320 | 65 | 325.000 | 390.000 | 3.800 | 2.200 | 24,8 |
| 7332 | 160 | 340 | 68 | 360.000 | 450.000 | 3.600 | 2.000 | 29,0 |
| 7334 | 170 | 360 | 72 | 405.000 | 530.000 | 3.200 | 1.900 | 34,4 |
| Part No. | d/mm | D/mm | B/mm | Load Rating(KN) | Limited Speed(r/min) | Load Rating(KN) | Limited Speed(r/min) | ||||
| Cr/KN | Cor/KN | Grease | Oil | Cr/KN | Cor/KN | Grease | Oil | ||||
| 72 serie | α=15°(C) | α=25°(AC) | |||||||||
| 7200 | 10 | 30 | 9 | 6.5 | 3.8 | 56000 | 85000 | 6.3 | 3.7 | 53000 | 80000 |
| 7201 | 12 | 32 | 10 | 7.2 | 4.5 | 53000 | 80000 | 6.9 | 4.3 | 48000 | 70000 |
| 7202 | 15 | 35 | 11 | 9.1 | 5.8 | 48000 | 70000 | 8.8 | 5.6 | 43000 | 63000 |
| 7203 | 17 | 40 | 12 | 11.3 | 7.4 | 40000 | 60000 | 10.9 | 7.1 | 38000 | 56000 |
| 7204 | 20 | 47 | 14 | 13.1 | 9.6 | 34000 | 50000 | 12.6 | 9.2 | 30000 | 45000 |
| 7205 | 25 | 52 | 15 | 16.8 | 13.1 | 30000 | 45000 | 16.1 | 12.5 | 26000 | 40000 |
| 7206 | 30 | 62 | 16 | 23.4 | 18.8 | 24000 | 38000 | 22.3 | 18 | 20000 | 34000 |
| 7207 | 35 | 72 | 17 | 25.8 | 22.9 | 18000 | 30000 | 24.5 | 21.9 | 17000 | 28000 |
| 7208 | 40 | 80 | 18 | 34.1 | 30.9 | 17000 | 28000 | 32.5 | 29.5 | 15000 | 24000 |
| 7209 | 45 | 85 | 19 | 35.5 | 33.8 | 16000 | 26000 | 33.8 | 32.3 | 14000 | 22000 |
| 7210 | 50 | 90 | 20 | 43.3 | 40.6 | 15000 | 24000 | 41.3 | 38.7 | 14000 | 22000 |
| 7211 | 55 | 100 | 21 | 53.6 | 51.1 | 14000 | 22000 | 51.1 | 48.8 | 13000 | 20000 |
| 7212 | 60 | 110 | 22 | 55.8 | 56.2 | 12000 | 19000 | 53 | 53.5 | 11000 | 18000 |
| 7213 | 65 | 120 | 23 | 67.5 | 69 | 11000 | 18000 | 64.2 | 65.8 | 9500 | 16000 |
| 7214 | 70 | 125 | 24 | 70.2 | 74.6 | 10000 | 17000 | 66.6 | 71.1 | 9000 | 15000 |
| 7215 | 75 | 130 | 25 | 72.7 | 80.2 | 9500 | 16000 | 68.9 | 76.3 | 8500 | 14000 |
| 7216 | 80 | 140 | 26 | 86.5 | 96.5 | 9000 | 15000 | 82.1 | 91.9 | 8000 | 13000 |
| 7217 | 85 | 150 | 28 | 97.4 | 107.5 | 8500 | 14000 | 92.5 | 102.4 | 7500 | 12000 |
| 7218 | 90 | 160 | 30 | 121.9 | 131.3 | 8000 | 13000 | 115.8 | 124.6 | 7000 | 11000 |
| 7219 | 95 | 170 | 32 | 128.9 | 145.1 | 7500 | 12000 | 122.5 | 138.3 | 6700 | 10000 |
| 7220 | 100 | 180 | 34 | 146.2 | 165.9 | 7000 | 11000 | 138.9 | 158.2 | 6700 | 10000 |
| 7221 | 105 | 190 | 36 | 164.3 | 188.2 | 7000 | 11000 | 156.3 | 179.5 | 6300 | 9500 |
| 7222 | 110 | 200 | 38 | 170.4 | 202.5 | 6700 | 10000 | 161.8 | 193 | 6000 | 9000 |
| 7224 | 120 | 215 | 40 | 175.4 | 218.4 | 6000 | 9000 | 166.3 | 207.9 | 5300 | 8000 |
| 7226 | 130 | 230 | 40 | 200.4 | 258.3 | 5600 | 8500 | 190.4 | 246.2 | 5000 | 7500 |
| 7228 | 140 | 250 | 42 | 223.6 | 306.6 | 5000 | 7500 | 212.3 | 292.2 | 4500 | 6700 |
| 7230 | 150 | 270 | 45 | 240.9 | 341.5 | 4500 | 6700 | 228.7 | 325.5 | 4000 | 6000 |
| 7232 | 160 | 290 | 48 | 248.6 | 365.8 | 4300 | 6300 | 236.1 | 348.6 | 3800 | 5600 |
| 7234 | 170 | 310 | 52 | 300.2 | 459.2 | 3800 | 5600 | 285 | 437.6 | 3600 | 5300 |
| 7236 | 180 | 320 | 52 | 311.2 | 490.8 | 3800 | 5600 | 295.5 | 467.7 | 3400 | 5000 |
| 7238 | 190 | 340 | 55 | 321.3 | 524.8 | 3400 | 5000 | 305.1 | 500.1 | 3200 | 4800 |
| 7240 | 200 | 360 | 58 | 330.9 | 558.6 | 3200 | 4800 | 314.2 | 532.3 | 3000 | 4500 |
| Angular Contact Ball Bearing | ||||||||||||
| X1=OD-0.5mm | ||||||||||||
| Single Row | Double Row | Four Points Contact Ball | ||||||||||
| 70 series | 72 series | 73 series | 52 series | 53 series | 32 series | 33 series | 40 series | 49 series | QJ series | QJF series | X1 series | |
| ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM | ITEM |
| 7000 | 7200 | 7300 | 5200 | 3200 | 4032 | 4936 | QJ203 | QJF203 | QJ1571X1 | QJF1571X1 | ||
| 7001 | 7201 | 7301 | 5201 | 3201 | 4936X3 | QJ303 | QJF303 | |||||
| 7002 | 7202 | 7302 | 5202 | 5302 | 3202 | 3302 | 4938X3 | QJ304 | QJF304 | QJ1571X1 | QJF1571X1 | |
| 7003 | 7203 | 7303 | 5203 | 5303 | 3203 | 3303 | 4040 | QJ205 | QJF205 | |||
| 7004 | 7204 | 7304 | 5204 | 5304 | 3204 | 3304 | 4044 | 4944X3 | QJ206 | QJF206 | QJ1571X1 | QJF1571X1 |
| 7005 | 7205 | 7305 | 5205 | 5305 | 3205 | 3305 | 4048X1 | QJ306 | QJF306 | |||
| 7006 | 7206 | 7306 | 5206 | 5306 | 3206 | 3306 | 4952X3 | QJ207 | QJF207 | QJ1026X1 | QJF1026X1 | |
| 7007 | 7207 | 7307 | 5207 | 5307 | 3207 | 3307 | 4956X3 | QJ307 | QJF307 | |||
| 7008 | 7208 | 7308 | 5208 | 5308 | 3208 | 3308 | 4960 | QJ208 | QJF208 | QJ1571X1 | QJF1571X1 | |
| 7009 | 7209 | 7309 | 5209 | 5309 | 3209 | 3309 | 4960X3 | QJ308 | QJF308 | |||
| 7571 | 7210 | 7310 | 5210 | 5310 | 3210 | 3310 | QJ209 | QJF209 | QJ1030X1 | QJF1030X1 | ||
| 7011 | 7211 | 7311 | 5211 | 5311 | 3211 | 3311 | QJ309 | QJF309 | ||||
| 7012 | 7212 | 7312 | 5212 | 5312 | 3212 | 3312 | QJ210 | QJF210 | QJ1032X1 | QJF1032X1 | ||
| 7013 | 7213 | 7313 | 5213 | 5313 | 3213 | 3313 | QJ310 | QJF310 | ||||
| 7014 | 7214 | 7314 | 5214 | 5314 | 3214 | 3314 | QJ212 | QJF212 | QJ1034X1 | QJF1034X1 | ||
| 7015 | 7215 | 7315 | 5215 | 5315 | 3215 | 3315 | QJ214 | QJF214 | ||||
| 7016 | 7216 | 7316 | 5216 | 3316 | QJ216 | QJF216 | QJ1036X1 | QJF1036X1 | ||||
| 7018 | 7218 | 7318 | 5217 | 3220 | QJ220 | QJF220 | ||||||
| 7219 | 7319 | 5218 | 3322 | QJ222 | QJF222 | QJ1038X1 | QJF1038X1 | |||||
| 7571 | 7220 | 7320 | 5219 | QJ1571 | QJF1571 | |||||||
| 7321 | 5220 | QJ224 | QJF224 | QJ1040X1 | QJF1040X1 | |||||||
| 7571 | 7222 | 7322 | QJ1026 | QJF1026 | ||||||||
| 7571 | 7224 | 7324 | QJ226 | QJF226 | ||||||||
| 7026 | 7226 | 7326 | QJ1571 | QJF1571 | ||||||||
| 7571 | 7228 | 7328 | QJ228 | QJF228 | ||||||||
| 7030 | 7230 | 7330 | QJ1030 | QJF1030 | ||||||||
| 7032 | 7232 | 7332 | QJ230 | QJF230 | ||||||||
| 7034 | 7234 | QJ1032 | QJF1032 | |||||||||
| 7036 | 7236 | 7336 | QJ232 | QJF232 | ||||||||
| 7038 | QJ1034 | QJF1034 | ||||||||||
| 7040 | 7240 | QJ234 | QJF234 | |||||||||
| 71952 | 7244 | QJ1036 | QJF1036 | |||||||||
| 71956 | 72948 | QJ236 | QJF236 | |||||||||
| 71957 | 7248 | QJ1038 | QJF1038 | |||||||||
| 7072 | QJ238 | QJF238 | ||||||||||
| 71976 | QJ1040 | QJF1040 | ||||||||||
| QJ240 | QJF240 | |||||||||||
| QJ1044 | QJF1044 | |||||||||||
| QJ1048 | QJF1048 | |||||||||||
| QJ1052 | QJF1052 | |||||||||||
| QJ1056 | QJF1056 | |||||||||||
| QJ1060 | QJF1060 | |||||||||||
| QJ1064 | QJF1064 | |||||||||||
| QJ1068 | QJF1068 | |||||||||||
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 2/Set
1 Set(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-22
China Best Sales Sp-30FL Nylon Ball Steel Ball Casters Transfer Units Bearing with Hot selling
Product Description
Product Description
Application
Company Profile
HangZhou Terry Machinery Co.Ltd is a leading supplier of bearings, linear motion system for
CNC,ball transfer unit and transmission component. The growing industrial and favorable policy of
HangZhou benefit the development of Terry Machinery.Our products are utilized in industrial,motorcycle,
vehicle and Automation applications. Now we are exporting to 46 countries including USA, GBR, Germany,
Spain,Poland, Turkey ect. The goal of TerryMachinery to provide out customerswith widest range of products
at competitive prices, backed with the best Service.
Packing & Deliverey
Custome Praise
FAQ
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | None |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-22
China wholesaler 03b380m 03b400m 03b1500 03bcp380mm 03bcpn400mm Ex Gr Cooper Split Bearing Tapered Roller Bearing Thrust Ball Bearing bearing bronze
Product Description
COMPANY PROFILE
CZPT Hydraulics ZheJiang Co., Ltd.is a scientific and professional bearing producing enterprise, gathering R&D, producing and sales as 1 integration.mainly operating on non-standard, special andgeneral bearings.
The company is especially focusing on the research and manufacture of general high-tech production with the 20 years R&D experience, professional R&D staff and advanced equipment, of which 8 sets are imported equipment and 40 sets are high-precision processing equipment. it has invested for building a modern workshop, including 1 Bainite heat processing workshop of world advanced level, 1 machine processing workshop, 2 moder thermostatic &no-dust roller grinders, assembly workshop, physical-chemical testing center, heating laboratory and moder-managed warehouse. Depending on the markets in China and abroad, the company puts an active attitude upon products R&D, resulting a healthy circulation of 1 development generation, 1 reserve generation, and 1 producion generation. The enterprise enlarges the R&D investment, creates own brand, and strives to increase the exporting products of high-tech & high value-added, gains the honorable sales result and grows into 1 of the largest R&D enterprise in China of non-standard bearing and special bearing.
The advanced technology, outstanding quaity and considerable service after sales with enthusiasm make us get the rapid development in quite short time of years, and now it becomes the largest developing and producing enterprise in Asia of concrete carrier truck, speed-reducing machine,mine-digging machine, hydraulic pump spindle bearing and crecent bearing. With the continuing and wholly new developing theory of Technology is the motivation and quality is the life, We are not only pursuing the leading position in China, but also determined to march into the worldwide bearing area during it developing process, The products are mainly applied on the industries of mine, metalurgy, engineering, machineny, machine tool,electronic machine and so on, The products have gained the excllent sales resul in the markets of Europe, Southeast Asia, Middle East and so on in a dozen of countries and areas.
COMPANY ENVIREMENT
PRODUCT LIST
| 01/01E SERIES | 02/02E SERIES | ||||||
| Number | Shaft Diameter (inch) |
Number | Shaft Diameter (inch) |
Number | Shaft Diameter (inch) |
Number | Shaft Diameter (inch) |
| 01B103 EX/GR | 1 3-16″ | 01B500 EX/GR | 5″ | 02B115 EX/GR | 1 15/16″ | 02EB607 EX/GR | 6 7/16″ |
| 01B104 EX/GR | 1 1/4″ | 01B503 EX/GR | 5 3/16″ | 02B200 EX/GR | 2″ | 02EB608 EX/GR | 6 1/2″ |
| 01B107EX/GR | 1 7/16″ | 01B507 EX/GR | 5 7/16″ 394 | 02B203 EX/GR | 2 3/16″ | 02EB615 EX/GR | 6 15/16″ |
| 01B108EX/GR | 1 1/2″ | 01B508 EX/GR | 5 1/2″ | 02B204 EX/GR | 2 1/4″ | 02EB700 EX/GR | 7″ |
| 01EB111EX/GR | 1 11/16″ | 01B515 EX/GR | 5 15/16″ | 02B207 EX/GR | 2 7/16″ | 02EB715 EX/GR | 7 15/16″ |
| 01EB112EX/GR | 1 3/4″ | 01B600 EX/GR | 6″ | 02B208 EX/GR | 2 1/2″ | 02EB800 EX/GR | 8″ |
| 01EB115EX/GR | 1 15/16″ | 01EB607 EX/GR | 6 7/16″ | 02B211 EX/GR | 2 11/16″ | 02EB900 EX/GR | 9″ |
| 01EB200EX/GR | 2″ | 01EB608 EX/GR | 6 1/2″ | 02B212 EX/GR | 2 3/4″ | 02EB1000 EX/GR | 10″ |
| 01EB203EX/GR | 2 3/16″ | 01B615 EX/GR | 6 15/16″ | 02B215 EX/GR | 2 15/16″ | 02EB1100 EX/GR | 11″ |
| 01EB204EX/GR | 2 1/4″ | 01B700 EX/GR | 7″ | 02B300 EX/GR | 3″ | 02EB1200 EX/GR | 12″ |
| 01EB207EX/GR | 2 7/16″ | 01EB715 EX/GR | 7 15/16″ | 02B303 EX/GR | 3 3/16″ | 02B1300 EX/GR | 13″ |
| 01EB208EX/GR | 2 1/2″ | 01EB800 EX/GR | 8″ | 02B304 EX/GR | 3 1/4″ | 02B1400 EX/GR | 14″ |
| 01EB211EX/GR | 2 11/16″ | 01EB900 EX/GR | 9″ | 02B307 EX/GR | 3 7/16″ | 02B1500 EX/GR | 15″ |
| 01EB212EX/GR | 2 3/4″ | 01EB1000 EX/GR | 10″ | 02B308 EX/GR | 3 1/2″ | 02B1600 EX/GR | 16″ |
| 01EB215EX/GR | 2 15/16″ | 01EB1100 EX/GR | 11″ | 02B311 EX/GR | 3 11/16″ | 02B1700 EX/GR | 17″ |
| 01EB300EX/GR | 3″ | 01EB1200 EX/GR | 12″ | 02B312 EX/GR | 3 3/4″ | 02B1800 EX/GR | 18″ |
| 01EB303EX/GR | 3 3/16″ | 01B1300 EX/GR | 13″ | 02B315 EX/GR | 3 15/16″ | 02B1900 EX/GR | 19″ |
| 01EB304EX/GR | 3 1/4″ | 01B1400 EX/GR | 14″ | 02B400 EX/GR | 4″ | 02B2000 EX/GR | 20″ |
| 01EB307EX/GR | 3 7/16″ | 01B1500 EX/GR | 15″ | 02B403 EX/GR | 4 3/16″ | 02B2100 EX/GR | 21″ |
| 01EB308EX/GR | 3 1/2″ | 01B1600 EX/GR | 16″ | 02B407 EX/GR | 4 7/16″ | 02B2200 EX/GR | 22″ |
| 01EB311EX/GR | 3 11/16″ | 01B1700 EX/GR | 17″ | 02B408 EX/GR | 4 1/2″ | 02B2300 EX/GR | 23″ |
| 01EB312EX/GR | 3 3/4″ | 01B1800 EX/GR | 18″ | 02B415 EX/GR | 4 15/16″ | 02B2400 EX/GR | 24″ |
| 01EB315EX/GR | 3 15/16″ | 01B1900 EX/GR | 19″ | 02B500 EX/GR | 5″ | ||
| 01EB400EX/GR | 4″ | 01B2000 EX/GR | 20″ | 02B503 EX/GR | 5 3/16″ | ||
| 01EB403EX/GR | 4 3/16″ | 01B2100 EX/GR | 21″ | 02B507 EX/GR | 5 7/16″ | ||
| 01EB407EX/GR | 4 7/16″ | 01B2200 EX/GR | 22″ | 02B508 EX/GR | 5 1/2″ | ||
| 01B408 EX/GR | 4 1/2″ | 01B2300 EX/GR | 23″ | 02B515 EX/GR | 5 15/16″ | ||
| 01B415 EX/GR | 4 15/16″ | 01B2400 EX/GR | 24″ | 02B600 EX/GR | 6″ | ||
| 100 SERIES | 03E SERIES | Reminder | |||||
| Number | Shaft Diameter (inch) |
Number | Shaft Diameter (inch) |
Number | Shaft Diameter (inch) |
Add ‘EX’ or ‘GR’ to reference for expansion or fixed type.
respectively,e.g:Bearing:03 B 280M EX or 03 B 1100 EX. Cartridge:03 C 280M EX or 03 C 83 EX. |
|
| 100 B 215EX/GR | 2 15/16″ | 03B315 EX/GR | 3 15/16″ | 03B800 EX/GR | 8″ | ||
| 100 B 300EX/GR | 3″ | 03B400 EX/GR | 4″ | 03B900 EX/GR | 9″ | ||
| 100 B 307EX/GR | 3 7/16″ | 03B407 EX/GR | 4 7/16″ | 03B1000 EX/GR | 10″ | ||
| 100 B 315EX/GR | 3 15/16″ | 03B408 EX/GR | 4 1/2″ | 03EB1100 EX/GR | 11″ | ||
| 100 B 400EX/GR | 4″ | 03B415 EX/GR | 4 15/16″ | 03B1200 EX/GR | 12″ | ||
| 100 B 407EX/GR | 4 7/16″ | 03B500 EX/GR | 5″ | 03B1300 EX/GR | 13″ | ||
| 100 B 408EX/GR | 4 1/2″ | 03B507 EX/GR | 5 7/16″ | 03EB1400 EX/GR | 14″ | ||
| 100 B 415EX/GR | 4 15/16″ | 03B508 EX/GR | 5 1/2″ | 03B1500 EX/GR | 15″ | ||
| 100 B 500EX/GR | 5″ | 03B515 EX/GR | 5 15/16″ | 03EB1700 EX/GR | 17″ | ||
| 100 B 507EX/GR | 5 7/16″ | 03B600 EX/GR | 6″ | 03EB1800 EX/GR | 18″ | ||
| 100 B 508EX/GR | 5 1/2″ | 03B607 EX/GR | 6 7/16″ | 03B2000 EX/GR | 20″ | ||
| 100 B 515EX/GR | 5 15/16″ | 03B608 EX/GR | 6 1/2″ | 03EB2200 EX/GR | 22″ | ||
| 100 B 600EX/GR | 6″ | 03B615 EX/GR | 6 15/16″ | 03EB2300 EX/GR | 23″ | ||
| 100 B 715EX/GR | 7 15/16″ | 03B700 EX/GR | 7″ | ||||
| 100 B 800EX/GR | 8″ | 03B715 EX/GR | 7 15/16″ | ||||
| Chinese model | |||
| 01B O1EB | |||
| 01B35M EX GR | 01B115M EX GR | 01B220M EX GR | 01B1400-360M EX GR |
| 01B40M EX GR | 01B120M EX GR | 01B230M EX GR | 01B360M EX GR |
| 01EB45M EX GR | 01B125M EX GR | 01B240M EX GR | 01B380M EX GR |
| 01EB50M EX GR | 01B130M EX GR | 01B250M EX GR | 01B390M EX GR |
| 01EB55M EX GR | 01B135M EX GR | 01B1000-260M EX GR | 01B400M EX GR |
| 01EB60M EX GR | 01B140M EX GR | 01B260M EX GR | 01B420M EX GR |
| 01EB65M EX GR | 01B150M EX GR | 01B270M EX GR | 01B440M EX GR |
| 01EB70M EX GR | 01B155M EX GR | 01B275M EX GR | 01B3460M EX GR |
| 01EB75M EX GR | 01B600-160M EX GR | 01B280M EX GR | 01B480M EX GR |
| 01EB80M EX GR | 01B160M EX GR | 01B290M EX GR | 01B500M EX GR |
| 01EB85M EX GR | 01B608-170M EX GR | 01B300M EX GR | 01B530M EX GR |
| 01EB90M EX GR | 01B170M EX GR | 01B320M EX GR | 01B3560M EX GR |
| 01EB95M EX GR | 01B175M EX GR | 01B330M EX GR | 01B3580M EX GR |
| 01EB100M EX GR | 01B180M EX GR | 01B1300-340M EX GR | 01B3600M EX GR |
| 01EB105M EX GR | 01B190M EX GR | 01B340M EX GR | |
| 01B110M EX GR | 01B200M EX GR | 01B350M EX GR | |
| 02B 02EB | |||
| 02B50M EX GR | 02B125M EX GR | 02B220M EX GR | 02B400M EX GR |
| 02B60M EX GR | 02B130M EX GR | 02B230M EX GR | 02B420M EX GR |
| 02B65M EX GR | 02B140M EX GR | 02B240M EX GR | 02B440M EX GR |
| 02B70M EX GR | 02B145M EX GR | 02B250M EX GR | 02B460M EX GR |
| 02B75M EX GR | 02B150M EX GR | 02B260M EX GR | 02B480M EX GR |
| 02B80M EX GR | 02B155M EX GR | 02B280M EX GR | 02B500M EX GR |
| 02B85M EX GR | 02B600-160M EX GR | 02B300M EX GR | 02B530M EX GR |
| 02B90M EX GR | 02B160M EX GR | 02B320M EX GR | 02B560M EX GR |
| 02B100M EX GR | 02B170M EX GR | 02B330M EX GR | 02B580M EX GR |
| 02B105M EX GR | 02B175M EX GR | 02B340M EX GR | 02B600M EX GR |
| 02B110M EX GR | 02B180M EX GR | 02B350M EX GR | |
| 02B115M EX GR | 02B190M EX GR | 02B360M EX GR | |
| 02B120M EX GR | 02B200M EX GR | 02B380M EX GR | |
| 03B 03EB 03XB 03E | |||
| 03B100M EX GR | 03B190M EX GR | 03B290M EX GR | 03EB440M EX GR |
| 03B110M EX GR | 03EB600M EX GR | 03B300M EX GR | 03EB460M EX GR |
| 03B120M EX GR | 03B200M EX GR | 03B320M EX GR | 03XB460M EX GR |
| 03B130M EX GR | 03B220M EX GR | 03EB340M EX GR | 03XB480M EX GR |
| 03B140M EX GR | 03B240M EX GR | 03EB360M EX GR | 03B500M EX GR |
| 03B150M EX GR | 03B250M EX GR | 03XB360M EX GR | 03B530M EX GR |
| 03B160M EX GR | 03B260M EX GR | 03B380M EX GR | 03EB560M EX GR |
| 03B170M EX GR | 03XB280M EX GR | 03B400M EX GR | |
| 03B180M EX GR | 03EB280M EX GR | 03EB420M EX GR | |
| 100B | |||
| 100B75M EX GR | 100B100M EX GR | 100B120M EX GR | 100B140M EX GR |
| 100B85M EX GR | 100B110M EX GR | 100B130M EX GR | 100B140M EX GR |
PRODUCT OVERVIEW
HOUSING TYPES
INTERNAL STRUCTURE
COMPANY ADVANTANGES
FAQ
1. how can we guarantee quality?
Always final Inspection before shipment;
2.what can you buy from us?
Auto Bearing,Bearing Housing,Taper Roller Bearing,Casting,Hydraulic pump,Hydraulic parts,excavator parts and so on.
Ceep groove ball bearing/Self aligning ball bearing/Cylindrical roller bearing/Spherical roller bearing/ Angular contact ball bearing/Tapered roller bearing/ Thrust ball bearing/Thrust cylindrical roller bearing/Needle roller bearing
3. why should you buy from us not from other suppliers?
One stop bearing and mechanical customized parts,
Designed bearing,
Small quantity order available
Factory price offer
OEM ODM bearing service
4.What is the transportation?
lf small quantity,we suggest to send by express,such as DHL,UPS,TNT FEDEX flarge amount,by air or sea shipping.
5.Can we design packaging?
Except regular packing,and we can make customer’s own packing.
6.What’s your payment method?
We can accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, MoneyGram etc.
7.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
8.Is the company a production factory or a trading company?
MKS company is a manufacturing enterprise focusing on bearings ,hydraulic pumps and hydraulic parts , produce and sales.
If you have any questions,Please contact us,We must be reply quickly.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Bearing Steel |
| Spherical: | Aligning Bearings |
| Load Direction: | Radial Bearing |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
What 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 2024-04-22
China best CZPT Deep Groove Ball Bearing 6907/25 Size 25*55*10mm manufacturer
Product Description
Koyo deep groove ball bearing 6907/25 size 25*55*10mm
We can supply Bearings And Ball Bearings, please feel free to contact us!
Product Parameters
| Product Name | Bearing |
| Brand | KOYO |
| Model | 6907/25 |
| Warranty | 1 Year |
| Application | Industrial Ect |
| Technical consulting support | Yes |
Real Picture
Company Profile
ZheJiang CZPT Xing Trading Co.,Ltd is a professional supplier of Inverter,Servo Motor,PLC And HMI with 20 years production experience.
Our main products Inverter,Servo Motor,PLC And HMI are widely applied to the field of industrial automation control.
We guaranteed 100% new brand original, and we have a lot of stock with fast delivery. The technical support and after sale service
is provided and customer’s questions will be responded in the first time.
Main Products:
1. Servo system products
2. Linear motion products
3. Sensor products
4. Frequency converter, PLC,
FAQ
1.Q: How about the warranty ?
A: Aiwell provide 12 months warranty for all the goods from us , and you can refund the goods with any quality problem in 15 days.
2.Q: Other supplier have a better pice than yours.
A: “To create more benefit fir clients”is our belief, if you have a better price , please let Aiwell know , we will try best to meet your price and support you.
3.Q: We have not cooperated before , how can we believe you ?
A: For our first order , you can pay after we prepare the goods.
4.Q: What about shipment ?
A: We have DHL forwarder with competitive price , of course , cutsomers can also use their own freight forwarders.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 60° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Double |
| Load Direction: | Radial Bearing |
| Material: | Carbon Steel |
| 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.
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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-19
China factory The Asian Standard Linear Bearing Method LAN Can Be Used for Ball Bearings in Medical and Food Machinery with Great quality
Product Description
Product Name: Asia standard lengthened Square Flanged Linear Bearing
Linear motion bearings have the characteristics of smooth movement, low friction, high rigidity, long life, economy, easy to maintain or replace,
Our priority is 100% quality control and 100% customer satisfaction. We have a responsibility to help our customers to be competitive and advantageous in the market
Maneuvering linear slides such as machine slides, XY tables, roller tables and some dovetail sliders are moved by the bearings of the drive mechanism. Not all linear slides are electric, there are non-electric dovetail slides, ball bearing sliders and roller sliders that provide low friction linear motion for inertially or manually driven devices. All linear sliders provide linear motion according to bearings, whether they are ball bearings, dovetail bearings or linear roller bearings. XY tables, linear stages, machine sliders and other advanced sliders use linear motion bearings to provide multi-axis movement along X and Y.
Product General information
a, Low frictional linear motion
Steel balls are accurately guided by a retainer, so low frictional resistance and stable linear motion can be achieved.
Simple replacement of conventional plain bushings
It is easy to use Linear Bushings instead of conventional plain bushings, because both types are used with a round shaft, and no major redesign is necessary.
b, Wide variations
For each dimensional series, standard, adjustable clearance and open types are available with and without seals, so the best linear bushing for the application may be selected. In addition to the standard type, the high-rigidity long type is available. These types can be selected to suit the requirements in applications.
c, Miniature linear bushing LM Compact design
Miniature Linear Bushing is very small in size, allowing for compact assembly in machines and equipment.
d, High Reliability
ERSK linear bearing has very stringent quality control standards covering every production process. With proper lubrication and use,trouble-free operation for an extended period of time is possible.
e,Smooth Operation
The high efficiency of linear shaft is vastly superior to conventional shaft. The torque required is less than 30%. Linear motion can be easily changed from rotary motion. The linear bearings are moved very smoothly in the linear shaft.
f,High Durability
Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable linear bearings manufactured.
g,Easy interchangable
h,Easy maintenance
the linear rails can replace the base surface installation, the old wear parts (rails and blocks) can be replaced, reduce costs.
i,Easy installation
the linear rails and carriages can be changed easily, reduce material costs, reduce product prices, reduce product replacement costs and time.
Company Profile
Yiboyuan (HangZhou City) Precision Machinery Co., Ltd. is located in Bacha Road Industrial Park, HangZhou City, HangZhou City, ZheJiang Province, is a professional manufacturer of linear bearings
integrating design, research and development, production and sales. The company’s main products are: YBYZ linear bearings, YBYZ linear flange bearings, YBYZ nickel-plated linear bearings, YBYZ steel linear bearings, YBYZ box sliders, YBYZ smooth shaft supports, YBYZ self lubricating bearings, YBYZ outer steel inner copper linear bearings, YBYZ aluminum-plastic linear bearings, YBYZ all-plastic linear
bearings, YBYZ graphite copper sleeved linear bearings, YBYZ fixed rings, nut seats, cross shaft brackets and so on. Yiboyuan linear bearings should build the most complete linear bearing enterprises and smooth shaft supporting products at home and abroad, and solve one-stop procurement services for automation companies.Our mission – to create revenue benefits for customers, provide high-quality products for the market, and create a stage for employees to play, the future Yiboyuan is a high-tech, service-oriented, international Yiboyuan, to build a century-old brand is our continuous goal.
Brand trademark registration
Yiboyuan (HangZhou) Precision Machinery Co., Ltd. is a professional manufacturer of linear motion products with many years of experience. And has its own registered brand YBYZ, we specialize in the production of linear bearings, plain bearings, shaft bearings, box sliders, self-lubricating copper sleeve. Good quality, competitive price. Our company is located in HangZhou City, ZheJiang Province. Close to HangZhou Port, ZheJiang Port.
Our products are widely used in precision machinery, fitness equipment, printing presses, packaging machines, medical and food machinery, textile machinery and other machinery and auxiliary equipment. Our products sell well in North America, Western Europe, Australia, Southeast Asia, the Middle East, South America and other regions.
Our packing:
* Industrial pakage
HangZhou City, ZheJiang Province.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
|---|---|
| Function: | Super |
| Flange Shape: | None |
| Shape: | Straight |
| Series: | LM |
| Material: | Bearing Steel |
| Samples: |
US$ 0.1/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.
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 2024-04-19
China manufacturer Asian Standard Linear Bearing Method Blue Bearings Can Be Used for Printing Press Deep Groove Ball Bearings wholesaler
Product Description
Product Name: Asia standard lengthened Square Flanged Linear Bearing
Linear motion bearings have the characteristics of smooth movement, low friction, high rigidity, long life, economy, easy to maintain or replace,
Our priority is 100% quality control and 100% customer satisfaction. We have a responsibility to help our customers to be competitive and advantageous in the market
Maneuvering linear slides such as machine slides, XY tables, roller tables and some dovetail sliders are moved by the bearings of the drive mechanism. Not all linear slides are electric, there are non-electric dovetail slides, ball bearing sliders and roller sliders that provide low friction linear motion for inertially or manually driven devices. All linear sliders provide linear motion according to bearings, whether they are ball bearings, dovetail bearings or linear roller bearings. XY tables, linear stages, machine sliders and other advanced sliders use linear motion bearings to provide multi-axis movement along X and Y.
Product General information
a, Low frictional linear motion
Steel balls are accurately guided by a retainer, so low frictional resistance and stable linear motion can be achieved.
Simple replacement of conventional plain bushings
It is easy to use Linear Bushings instead of conventional plain bushings, because both types are used with a round shaft, and no major redesign is necessary.
b, Wide variations
For each dimensional series, standard, adjustable clearance and open types are available with and without seals, so the best linear bushing for the application may be selected. In addition to the standard type, the high-rigidity long type is available. These types can be selected to suit the requirements in applications.
c, Miniature linear bushing LM Compact design
Miniature Linear Bushing is very small in size, allowing for compact assembly in machines and equipment.
d, High Reliability
ERSK linear bearing has very stringent quality control standards covering every production process. With proper lubrication and use,trouble-free operation for an extended period of time is possible.
e,Smooth Operation
The high efficiency of linear shaft is vastly superior to conventional shaft. The torque required is less than 30%. Linear motion can be easily changed from rotary motion. The linear bearings are moved very smoothly in the linear shaft.
f,High Durability
Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable linear bearings manufactured.
g,Easy interchangable
h,Easy maintenance
the linear rails can replace the base surface installation, the old wear parts (rails and blocks) can be replaced, reduce costs.
i,Easy installation
the linear rails and carriages can be changed easily, reduce material costs, reduce product prices, reduce product replacement costs and time.
Company Profile
Yiboyuan (HangZhou City) Precision Machinery Co., Ltd. is located in Bacha Road Industrial Park, HangZhou City, HangZhou City, ZheJiang Province, is a professional manufacturer of linear bearings
integrating design, research and development, production and sales. The company’s main products are: YBYZ linear bearings, YBYZ linear flange bearings, YBYZ nickel-plated linear bearings, YBYZ steel linear bearings, YBYZ box sliders, YBYZ smooth shaft supports, YBYZ self lubricating bearings, YBYZ outer steel inner copper linear bearings, YBYZ aluminum-plastic linear bearings, YBYZ all-plastic linear
bearings, YBYZ graphite copper sleeved linear bearings, YBYZ fixed rings, nut seats, cross shaft brackets and so on. Yiboyuan linear bearings should build the most complete linear bearing enterprises and smooth shaft supporting products at home and abroad, and solve one-stop procurement services for automation companies.Our mission – to create revenue benefits for customers, provide high-quality products for the market, and create a stage for employees to play, the future Yiboyuan is a high-tech, service-oriented, international Yiboyuan, to build a century-old brand is our continuous goal.
Brand trademark registration
Yiboyuan (HangZhou) Precision Machinery Co., Ltd. is a professional manufacturer of linear motion products with many years of experience. And has its own registered brand YBYZ, we specialize in the production of linear bearings, plain bearings, shaft bearings, box sliders, self-lubricating copper sleeve. Good quality, competitive price. Our company is located in HangZhou City, ZheJiang Province. Close to HangZhou Port, ZheJiang Port.
Our products are widely used in precision machinery, fitness equipment, printing presses, packaging machines, medical and food machinery, textile machinery and other machinery and auxiliary equipment. Our products sell well in North America, Western Europe, Australia, Southeast Asia, the Middle East, South America and other regions.
Our packing:
* Industrial pakage
HangZhou City, ZheJiang Province.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
|---|---|
| Function: | Super |
| Flange Shape: | None |
| Shape: | Straight |
| Series: | LM |
| Material: | Bearing Steel |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-04-19
China wholesaler Male Rod End Bearing Stainless Ball Steel Joint Bearing Phs 16 Left/Right Rod Bearing bearing air
Product Description
Spherical Plain Bearing
Basic Info.
| Model NO. | GE 55 SX | Separated | Separated |
| MOQ | 1PCS | Quality | Guaranteed |
| Mainly Market | America Europe Asia Africa | Serive | OEM |
| Stock | Rich Stocks | Feature | High Precision, Small Torque, Low Noise |
| Transport Package | Industrial Packing or as Per Requirement | Specification | GE 55 SX |
| Trademark | FOS Bearing or OEM | Origin | YANDIAN, ZheJiang |
| HS Code | 8482200000 | Production Capacity | 7000PCS/Month |
Product Decription
Knuckle-bearing is a spherical plain bearing, its sliding contact surface is an inner sphere and an outer sphere, which can rotate and swing at any Angle when moving, it is made of surface phosphating, blasting, insert pad, spraying and other special process processing methods. Joint bearing has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and so on.
Product Series
More series of Roller bearing
Knuckle bearing
| odel | Shaft Diameter | Mass | Dimensions (mm) | Basic load ratings | |||||||
| kg | d | D | T | dk | D1 | B | C | Dyn. | Stat. | ||
| Cr N | Cor . N | ||||||||||
| GE 25 SX | 25 | 0.14 | 25 | 47 | 15 | 42.5 | 31.4 | 14 | 14 | 47800 | 239000 |
| GE 28 SX | 28 | 0.18 | 28 | 52 | 16 | 47 | 35.7 | 15 | 15 | 57500 | 287000 |
| GE 30 SX | 30 | 0.21 | 30 | 55 | 17 | 50 | 36.1 | 16 | 16 | 64600 | 323000 |
| GE 35 SX | 35 | 0.27 | 35 | 62 | 18 | 56 | 42.4 | 17 | 17 | 78500 | 392000 |
| GE 40 SX | 40 | 0.33 | 40 | 68 | 19 | 60 | 46.8 | 18 | 18 | 90600 | 453000 |
| GE 45 SX | 45 | 0.42 | 45 | 75 | 20 | 66 | 52.9 | 19 | 19 | 106000 | 532000 |
| GE 50 SX | 50 | 0.46 | 50 | 80 | 20 | 74 | 59.1 | 19 | 19 | 118000 | 590000 |
| GE 55 SX | 55 | 0.68 | 55 | 90 | 23 | 80 | 62 | 22 | 22 | 149000 | 745000 |
| GE 60 SX | 60 | 0.73 | 60 | 95 | 23 | 86 | 68.1 | 22 | 22 | 160000 | 857100 |
| GE 65 SX | 65 | 0.77 | 65 | 100 | 23 | 92 | 75.6 | 22 | 22 | 173000 | 867000 |
| GE 70 SX | 70 | 1.1 | 70 | 110 | 25 | 102 | 82.2 | 24 | 24 | 208000 | 1040000 |
| GE 80 SX | 80 | 1.5 | 80 | 125 | 29 | 115 | 90.5 | 27 | 27 | 244000 | 1220000 |
| GE 90 SX | 90 | 2.1 | 90 | 140 | 32 | 130 | 103.3 | 30 | 30 | 313000 | 1560000 |
| GE100SX | 100 | 2.3 | 100 | 150 | 32 | 140 | 114.3 | 30 | 30 | 339000 | 1690000 |
| GE110SX | 110 | 3.9 | 110 | 170 | 38 | 160 | 125.8 | 36 | 36 | 469000 | 2340000 |
| GE120SX | 120 | 4 | 120 | 180 | 38 | 170 | 135.4 | 36 | 36 | 498000 | 2490000 |
| GE130SX | 130 | 6.1 | 130 | 200 | 45 | 190 | 148 | 42 | 42 | 622000 | 3110000 |
| GE140SX | 140 | 6.5 | 140 | 210 | 45 | 200 | 160.6 | 42 | 42 | 663000 | 3310000 |
| GE150SX | 150 | 7.9 | 150 | 225 | 48 | 213 | 170.9 | 45 | 45 | 764000 | 3820000 |
| GE160SX | 160 | 9.4 | 160 | 240 | 51 | 225 | 181.4 | 48 | 48 | 872000 | 4360000 |
| GE170SX | 170 | 13 | 170 | 260 | 57 | 250 | 194.3 | 54 | 54 | 1080000 | 5440000 |
| GE180SX | 180 | 17.5 | 180 | 280 | 64 | 260 | 205.5 | 61 | 61 | 1310000 | 6590000 |
| GE190SX | 190 | 18.3 | 190 | 290 | 64 | 275 | 211.8 | 61 | 61 | 1370000 | 6850000 |
| GE200SX | 200 | 23.3 | 200 | 310 | 70 | 290 | 229.2 | 66 | 66 | 1540000 | 7740000 |
Production Process
Production Process
Inspection
Our Advantage
Package and shipment
Company Profile
HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.
Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation. Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted International standard design and manufacturing. Registered trademark “FOS” .
Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.
HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.
The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system, to prove satisfactory to our customers. Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.
Exhibitions
About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced products and service can meet your request.
Why choose us?
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS mix different standard bearings.
2. MOQ: 3000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks!
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement.
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| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 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.
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 2024-04-17