Research Article

Dynamic Parameter Analysis of Spindle Bearing Using 3-Dimension Quasi-Dynamic Model

Table 1

Geometry parameters of ball bearing.

Bearing parametersvalue

Pitch diameter(mm)31
Ball diameter(mm)8
The number of balls6
Initial contact angle(°)24
Inner rolling groove curvature0.56
outer rolling groove curvature0.52
Bearing bore diameter(mm)20
Bearing outside diameter (mm)42
Cage outside diameter(mm)35
Cage core diameter (mm)30
Cage width(mm)14
Elasticity modulus (MPa)2e5