Raceway Defect Frequency Deviation of Full-Ceramic Ball Bearing Induced by Fit Clearance in Wide Temperature Ranges

Table 2

Physical parameters of the bearing components.

Item	Value
Bearing density (kg/m^3)	3100
Pedestal density (kg/m^3)	7850
Bearing elastic modulus (Pa)	3.3 × 10^11
Pedestal elastic modulus (Pa)	2.16 × 10^11
Thermal deformation coefficient of the pedestal (1/K)	1.25 × 10^−5
Thermal deformation coefficient of the bearing (1/K)	2.8 × 10^−6
Contact stiffness of the pedestal (N/m)	2.5 × 10^8