Your location:  Home  >  Bearing News  >  World Bearing News
<<  Back

Is there a specific range of bearing clearance?

Resource from:  CBCC Likes:77
Aug 23,2023

Is there a specific range of bearing clearance?


Bearing clearance and expansion are important factors in the operation and longevity of mechanical systems that use bearings. However, the specific range of bearing clearance and expansion can vary widely depending on the type of bearing, the application, and the manufacturer's specifications.

Bearing Clearance:

RB80070 Cross Roller Bearing RB80070 Cross Roller Bearing

Bearing clearance refers to the gap or space between the inner and outer rings of a bearing when the bearing is not under load. This gap is necessary to accommodate thermal expansion, manufacturing tolerances, and lubrication. The appropriate bearing clearance helps prevent excessive friction, heat generation, and premature wear.

Different Types Of Bearings'clearance:

RB80070 Cross Roller Bearing RB80070 Cross Roller Bearing

Different types of bearings (e.g., ball bearings, roller bearings) and applications require different levels of clearance. Some general guidelines are:

1.Cylindrical Roller Bearings: Typically have tighter clearances than spherical roller bearings, suited for applications with moderate to heavy loads and thermal expansion.

2.Deep Groove Ball Bearings: Usually have larger clearances for applications where low friction is a priority.

3.Thrust Bearings: Can have tighter clearances to handle axial loads.

Bearing manufacturers often provide recommended clearance values in their product documentation, and the clearance may be specified as C0, C2, C3, etc., where these numbers indicate different levels of clearance.

Appropriate Ranges:

RB80070 Cross Roller Bearing RB80070 Cross Roller Bearing

The appropriate range of bearing clearance depends on several factors:

1.Load: Heavier loads might require larger clearances to accommodate deformation under load.

2.Speed: High-speed applications might require tighter clearances to minimize vibration and friction.

3.Temperature: Operating temperature affects both clearance and expansion, and the chosen clearance should accommodate the expected temperature range.

4.Manufacturer Recommendations: Always follow the manufacturer's recommendations for the specific bearing type and application.

5.Alignment: Proper shaft and bearing housing alignment also affect clearance requirements.

You can contact us if you have any requirements!


Company:Luoyang EFANT Precision Bearing Manufacturing Co. Ltd

Address:No. 9 Jingjin North Rd, Luoxin Development Zone, 

Xin'an County, Luoyang City, Henan Province 471003, China


【CBCC News Statement】
1.The news above mentioned with detailed source are from internet.We are trying our best to assure they are accurate ,timely and safe so as to let bearing users and sellers read more related info.However, it doesn't mean we agree with any point of view referred in above contents and we are not responsible for the authenticity. If you want to publish the news,please note the source and you will be legally responsible for the news published.
2.All news edited and translated by us are specially noted the source"CBCC".
3.For investors,please be cautious for all news.We don't bear any damage brought by late and inaccurate news.
4.If the news we published involves copyright of yours,just let us know.


Cnbearing is the No.1 bearing inquiry system and information service in China, dedicated to helping all bearing users and sellers throughout the world.

Cnbearing is supported by China National Bearing Industry Association, whose operation online is charged by China Bearing Unisun Tech. Co., Ltd.

China Bearing Unisun Tech. Co., Ltd owns all the rights. Since 2000, over 3,000 companies have been registered and enjoyed the company' s complete skillful service, which ranking many aspects in bearing industry at home and abroad with the most authority practical devices in China.