Table 1.

Description of bearing faults.

Label	Fault Description	Fault Width (mm)	Fault Depth (mm)
1	Normal	0	0
2	Inner race serious fault	0.8	0.2
3	Outer race serious fault	0.8	0.2
4	Roller fault	0.5	0.2
5	Inner race minor fault	0.3	0.2
6	Outer race minor fault	0.3	0.2
7	Hybrid serious fault (inner race serious fault, outer race serious fault and roller fault)	0.8/0.8/0.5	0.2/0.2/0.2
8	Hybrid minor fault (Inner race minor fault, outer race minor fault and roller fault)	0.3/0.3/0.5	0.2/0.2/0.2