China Custom Spherical Roller Bearing 22320 bearing driver kit

Product Description

Model: Sphercial roller bearing 22320
Brand: AUTO
Series: Spherical roller bearing, double row
d:  100
D:  215
B:  73


HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.


A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs


A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

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.

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Precision: P4 P2
Applied to: Reducer, Papermaking Machinery, Railway Vehicle
Processing Range: Processing Range
Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Medium and Large(120-190mm)

roller bearing

Can you provide guidance on the selection and sizing of roller bearings for specific applications?

Yes, I can provide guidance on the selection and sizing of roller bearings for specific applications. Choosing the right roller bearing involves considering various factors such as load requirements, speed, operating conditions, and environmental factors. Proper sizing ensures optimal performance, reliability, and longevity of the bearing in the intended application. Here’s a detailed explanation of the steps involved in selecting and sizing roller bearings:

  1. Identify the Application Requirements:

Start by identifying the specific requirements of the application. Consider factors such as the type and magnitude of the load, operating speed, temperature, and any environmental conditions (e.g., presence of moisture, dust, or chemicals). Understanding these requirements helps in selecting a roller bearing that can withstand the application’s demands.

  1. Determine the Load:

Calculate the load the bearing will be subjected to in the application. This includes both radial and axial loads. Consider static loads (steady loads) and dynamic loads (loads that vary with time). Additionally, factor in any shock or impact loads that may occur. Determining the load is crucial for selecting a bearing with the appropriate load capacity to avoid premature failure.

  1. Select the Bearing Type:

Based on the application requirements and load calculations, choose the appropriate type of roller bearing. Common types include cylindrical roller bearings, spherical roller bearings, tapered roller bearings, and needle roller bearings. Each type has specific design features suited for different load and operating conditions. Consulting bearing manufacturer catalogs or working with application engineers can help in identifying the most suitable bearing type.

  1. Calculate the Bearing Size:

Once the bearing type is determined, calculate the required bearing size. This involves considering factors such as the bearing’s rated load capacity, speed rating, and the calculated load from the application. The bearing size should be chosen to ensure that the calculated load falls within the bearing’s rated load capacity. Additionally, consider the desired service life, which can be influenced by factors such as lubrication, operating temperature, and reliability requirements.

  1. Consider Mounting and Clearance:

Take into account the mounting arrangement and the required clearance for the bearing. Consider factors such as shaft and housing tolerances, fits, and the need for axial or radial clearance. Proper mounting and clearance ensure that the bearing operates smoothly and minimizes the risk of excessive heat generation, premature wear, or bearing damage.

  1. Consider Lubrication and Sealing:

Evaluate the lubrication requirements and sealing options for the application. Proper lubrication is essential for reducing friction, dissipating heat, and preventing premature wear. Consider the lubrication method (grease or oil), frequency of lubrication, and the compatibility of the lubricant with the operating conditions. Additionally, assess the need for sealing to protect the bearing from contaminants and ensure reliable operation in the application environment.

  1. Consult Manufacturers and Application Engineers:

When in doubt or dealing with complex applications, it is recommended to consult bearing manufacturers or application engineers. They can provide technical expertise, access to bearing selection software, and additional guidance specific to the application’s requirements. Manufacturers and engineers can consider factors beyond basic selection and sizing, such as special operating conditions, customization options, and optimization for performance and reliability.

Proper selection and sizing of roller bearings are critical for ensuring optimal performance and reliability in specific applications. By following these steps and seeking expert advice when needed, you can choose the right roller bearing that meets the demands of your application and maximizes the lifespan of your machinery or equipment.

roller bearing

What is the impact of proper lubrication on the performance and lifespan of roller bearings?

Proper lubrication plays a crucial role in enhancing the performance and extending the lifespan of roller bearings. The application of the correct lubricant in the appropriate quantity and at regular intervals offers several significant benefits. Here’s a detailed explanation of the impact of proper lubrication on the performance and lifespan of roller bearings:

  • Reduced Friction and Wear:

Proper lubrication creates a thin film of lubricant between the rolling elements and the raceways of roller bearings. This lubricating film acts as a protective barrier, reducing direct metal-to-metal contact and minimizing friction. With reduced friction, the bearing operates more efficiently, resulting in less energy loss and decreased wear. By preventing excessive wear, proper lubrication helps to maintain the precision and smooth operation of roller bearings, contributing to their extended lifespan.

  • Temperature Control:

Lubrication helps to dissipate heat generated during the operation of roller bearings. The lubricant absorbs and carries away heat from the bearing, preventing the buildup of excessive temperatures. Effective temperature control is crucial as elevated temperatures can lead to premature bearing failure, lubricant breakdown, and reduced performance. Proper lubrication ensures that roller bearings operate within their optimal temperature range, promoting reliable performance and prolonging their lifespan.

  • Corrosion and Contamination Prevention:

Lubricants often contain additives that provide protection against corrosion and minimize the effects of contaminants. Roller bearings are vulnerable to corrosion from moisture or aggressive environments, which can degrade their performance and lead to premature failure. Lubrication forms a protective barrier, preventing moisture and corrosive substances from reaching the bearing surfaces. Additionally, lubricants can trap and suspend contaminants, such as dirt, dust, and particles, preventing them from causing damage to the bearing. Proper lubrication helps to maintain a clean and protected environment, ensuring the longevity and reliable operation of roller bearings.

  • Noise and Vibration Reduction:

Insufficient or improper lubrication can result in increased noise and vibration levels in roller bearings. When the lubricating film is inadequate, the rolling elements and raceways can experience metal-to-metal contact, leading to noise and vibration during operation. Proper lubrication ensures that the lubricating film remains intact, minimizing noise and vibration levels. Reduced noise and vibration not only contribute to a smoother and quieter operation but also help to prevent potential damage to the bearing and its surrounding components.

  • Sealing Effectiveness:

Proper lubrication helps to maintain the effectiveness of seals or shields used in roller bearings. Lubricants can enhance the sealing properties of these protective mechanisms, preventing the entry of contaminants into the bearing. By keeping contaminants out, proper lubrication helps to preserve the integrity of the lubricant and prolong the lifespan of the bearing. It also reduces the need for frequent maintenance and extends the time between bearing replacements.

In summary, proper lubrication significantly impacts the performance and lifespan of roller bearings. It reduces friction and wear, controls temperature, prevents corrosion and contamination, reduces noise and vibration, and enhances the effectiveness of sealing mechanisms. By providing optimal lubrication, roller bearings operate more efficiently, experience less wear, and have an extended service life. Regular maintenance and adherence to proper lubrication practices are essential for maximizing the performance and longevity of roller bearings in various applications and industries.

roller bearing

How do roller bearings contribute to reduced friction and smooth rotation in machinery?

Roller bearings play a crucial role in reducing friction and ensuring smooth rotation in machinery. Their design and operating principles contribute to minimizing contact resistance and facilitating efficient motion. Here’s a detailed explanation of how roller bearings achieve reduced friction and smooth rotation:

  • Rolling Motion:

Roller bearings operate on the principle of rolling motion, where the rolling elements (rollers) roll between the inner and outer raceways. This rolling action produces significantly lower friction compared to sliding contact between surfaces. The rolling motion reduces the contact area between the rolling elements and the raceways, resulting in reduced frictional resistance. As a result, roller bearings experience less energy loss and generate less heat during operation, contributing to improved efficiency and reduced wear.

  • Lubrication:

Proper lubrication is essential for reducing friction and ensuring smooth rotation in roller bearings. Lubricants such as oil or grease are used to create a thin film between the rolling elements and raceways. This lubricating film separates the surfaces, minimizing direct metal-to-metal contact and reducing friction. Lubrication also helps to dissipate heat generated during operation and prevent wear and corrosion. Adequate lubrication ensures that roller bearings operate smoothly and with minimal resistance, promoting long service life and reliable performance.

  • Low Friction Materials:

The materials used in roller bearings are carefully selected to minimize friction and enhance performance. The rolling elements and raceways are typically made from high-quality bearing steels that have excellent hardness, strength, and wear resistance. These materials reduce friction and prevent premature wear, ensuring smooth rotation over an extended period. Additionally, the use of low-friction cage materials, such as brass or synthetic polymers, further reduces friction by minimizing frictional contact between the rolling elements and the cage.

  • Precision Manufacturing:

Roller bearings are manufactured with high precision to maintain consistent clearances and minimize internal friction. The dimensions and tolerances of the rolling elements, raceways, and other bearing components are tightly controlled during the manufacturing process. This precision ensures proper alignment and smooth operation of the bearing. By minimizing internal friction and maintaining precise clearances, roller bearings contribute to reduced energy loss and smooth rotation in machinery.

  • Sealing and Contamination Prevention:

Sealing mechanisms are often incorporated into roller bearings to protect them from external contaminants, such as dust, dirt, and moisture. Seals or shields prevent the ingress of contaminants into the bearing, which could increase friction and lead to premature wear. By maintaining a clean and lubricated environment, the seals contribute to reduced friction and ensure smooth rotation. Proper sealing also extends the service life of the bearing and reduces the need for frequent maintenance.

In summary, roller bearings achieve reduced friction and smooth rotation in machinery through their rolling motion, effective lubrication, the use of low-friction materials, precision manufacturing, and sealing mechanisms. By minimizing direct contact, employing efficient lubrication, and maintaining precise clearances, roller bearings optimize the efficiency, reliability, and performance of machinery, leading to smoother operation, reduced energy consumption, and extended service life.

China Custom Spherical Roller Bearing 22320   bearing driver kitChina Custom Spherical Roller Bearing 22320   bearing driver kit
editor by CX 2024-03-02

Roller Bearing

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