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The Structure and Characteristics of Roller Bearing

Bearing Selection Method

Bearing Size Selection

The Limit Rotating Speedof the Bearings

The Main Size and Code of the bearings

Bearing Allowable Tolerance

Bearing Clearance

Bearing Materials

Bearing Use

Pereormances and Parameters

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The Limit Rotating Speedof the Bearings

　　Roller bearing has defined rotating speed limit. There are the limit rotating speed of bearing grease lubrication and oil lubrication in the Bearing Size Table. It is an allowable rotation of the bearing with standard design under ordinary load conditions. When the bearing rotating speed exceeds 70% of the limit rotating speed, it should choose the superior lubricating grease and oil with high speed and superior performance.

　　4.1 Correction of the limit rotating speed
　　when the bearing load (P) exceeds 8% of the basic rated load or the axial load Fa is higher than 20% service conditions of radial load Fv, the limit rotating speed should times the correction factor.

　