Rolling Bearing Fault Detection Based on the Teager Energy Operator and Elman Neural Network

Table 2

Bearing specifications.

(a) Size: (in)

Inner diameter	Outer diameter	Thickness	Ball diameter	Pitch diameter
0.9843	2.0472	0.5906	0.3126	1.537

(b) Defect frequencies: (multiples of running speed in Hz)

Inner ring	Outer ring	Cage train	Rolling element
5.4152	3.5848	0.39828	4.7135