Acoustic Diagnosis of Rolling Bearings Fault of CR400 EMU Traction Motor Based on XWT and GoogleNet

Table 1

Bearing specification.

Number of roller	Roller diameter (mm)	Roller length (mm)	Width (mm)	Intermediate diameter (mm)	Outer raceway diameter (mm)	Out diameter (mm)	Inner raceway diameter (mm)	Inner diameter (mm)
16	13	13	23	97.5	110.5	125	84.5	70