Table 1.

Different bearing fault conditions considered in this study.

Fault	Normal	Inner Race			Outer Race			Ball
Class	0	1	2	3	4	5	6	7	8	9
Severity	N/A	0.007″	0.014″	0.021″	0.007″	0.014″	0.021″	0.007″	0.014″	0.021″