Monopulse Feature Extraction and Fault Diagnosis Method of Rolling Bearing under Low-Speed and Heavy-Load Conditions

Table 1

Basic parameters of test bearings.

Outer race diameter	Inner race diameter	Pitch diameter	Roller diameter	Roller number
55 mm	42 mm	48.5 mm	6.5 mm	16
FCC	Outer race fault		Inner race fault
	6.93		9.07
Fault size	0.5 mm	0.7 mm	1.1 mm	1.6 mm
Code name	1	2	3	4