What you must know - bearing accuracy class

I. dimensional accuracy (items related to shaft and housing installation)

• allowable deviations of inside diameter, outside diameter, width and assembly width.

• the allowable deviation of the inner circle diameter and the outer circle diameter of the roller group

• allowable limit value of chamfering size

• allowable variation in width

Ii. Rotation accuracy (items related to the jump of rotating body)

Radial runout and axial runout are allowed for inner and outer rings

The inner ring is allowed to jump horizontally

Allowable variation in outside surface inclination

Allowable variation of raceway thickness for thrust bearings

Allowable deviation and allowable variation of taper hole

Note: This article is reproduced from Official account on Wechat.