Analyzing Vibration Mechanism of Angular Contact Ball Bearing with Compound Faults on Inner and Outer Rings

Table 1

Parameters of bearing and operating conditions.

Parameters	Value
Diameter of inner ring/mm	25
Diameter of bottom of groove of inner ring/mm	30.425
Density of inner ring material/g/cm^3	7.83
Diameter of outer ring/mm	47
Diameter of bottom of groove of outer ring/mm	41.562
Density of outer ring material/g/cm^3	7.83
Diameter of balls/mm	5.556
Number of balls	16
Width of bearing/mm	12
Contact angle/°	15
Inner diameter of cage/mm	36
Outer diameter of cage/mm	39.27
Diameter of cage pocket/mm	5.89
Density of cage material/g/cm^3	1.3
Dynamic viscosity of grease/mm^2/sec	5.1
Radial load/N	300
Axial load/N	100
Initial rotational speed of inner ring/r/min	1000
Stable rotational speed of inner ring/r/min (linear increase to stable speed within 0.1s)	10000
Initial step size	0.0001s
Simulation duration	0.5s
Diameter of damaged area in inner ring/mm	0.2
Depth of damaged area in inner ring/mm	0.1
Diameter of damaged area in outer ring/mm	0.2
Depth of damaged area in outer ring/mm	0.1