Fault Diagnosis for Rolling Bearing under Variable Conditions Based on Image Recognition

Table 1

Data declaration.

Fault diameter (mils)	Motor speed (rpm)	Inner race	Ball	Outer race
				3 o’clock	6 o’clock	12 o’clock
21	1797	213.mat	226.mat		238.mat
	1772	214.mat	227.mat		239.mat
	1750	215.mat	228.mat		240.mat
	1730	217.mat	229.mat		241.mat