Rolling Bearing Fault Diagnosis Based on Sensitive Feature Transfer Learning and Local Maximum Margin Criterion under Variable Working Condition

Table 3

The detailed information of the second group dataset.

Bearing condition	Defect diameter (mm)	Number of training samples	Number of testing samples		Class label
		3 hp	3 hp (case 3)	2 hp (case 4)
Normal	0	20	40	40	1
Ball fault	0.007	20	40	40	2
	0.014	20	40	40	3
	0.021	20	40	40	4
	0.028	20	40	40	5
Inner race fault	0.007	20	40	40	6
	0.014	20	40	40	7
	0.021	20	40	40	8
	0.028	20	40	40	9
Outer race fault	0.007	20	40	40	10
	0.014	20	40	40	11
	0.021	20	40	40	12
Number of samples		240	480	480