Table 3.

Description of sample labels (CWRU dataset).

Labels	Bearing fault	Fault size (inch)	Load (hp)
0	Ball fault	0.007	0$\sim$3
1		0.014	0$\sim$3
2		0.021	0$\sim$3
3	Inner race fault	0.007	0$\sim$3
4		0.014	0$\sim$3
5		0.021	0$\sim$3
6	Outer race fault	0.007	0$\sim$3
7		0.014	0$\sim$3
8		0.021	0$\sim$3