Reliability and Reliability Sensitivity Analysis of Rolling Bearings Based on Contact Fatigue under Finite Probability Information

Table 3

Statistical characteristics of basic random variables of rolling bearings.

Basic random variable	Distribution type	Mean value	Standard deviation
Bearing pitch diameter	Normal	46	0.0920
Inner raceway groove curvature radius	Normal	4.9	0.0098
Outer raceway groove curvature radius	Normal	5.0	0.0100
Ball diameter	Normal	9.525	0.0191
Axial force	Normal	1000	20
Radial force	Normal	1000	20
Allowable yield stress	Unknown	684	13.68