A New Intelligent Fault Diagnosis Method of Rotating Machinery under Varying-Speed Conditions Using Infrared Thermography

Table 1

Working parameters of the rotating machinery (Table 1 is reproduced from the study by Li et al. (2018), under the Creative Commons Attribution License/public domain).

Bearing specs	MB ER-12K
Number of rolling elements	8
Rolling element diameter	0.3125 inches
Pitch diameter	1.318 inches
Contact angle
Sampling frequency	12800Hz
Speed range	900RPM to 3000RPM
Angular acceleration	175r/s^2