Experimental Investigation of the Diagnosis of Angular Contact Ball Bearings Using Acoustic Emission Method and Empirical Mode Decomposition

Table 3

Value of KER for outer race defect at different conditions.

KER	Speed (rpm)	Small defect	Large defect
Small load	600	0.0126	0.0217
	900	0.0114	0.0219
	1200	0.0247	0.0661
	1500	0.0825	0.2507
Medium-low load	600	0.0203	0.0273
	900	0.0457	0.0636
	1200	0.0947	0.2398
	1500	0.1412	0.2474
Medium-high load	600	0.0506	0.0499
	900	0.0441	0.2244
	1200	0.0926	0.2426
	1500	0.1190	0.2204
High load	600	0.0664	0.0804
	900	0.0546	0.2495
	1200	0.1006	0.2207
	1500	0.1130	0.2337