Shock and Vibration / 2015 / Article / Fig 10

Research Article

Diagnosis of Roller Bearings Compound Fault Using Underdetermined Blind Source Separation Algorithm Based on Null-Space Pursuit

Figure 10

Pitting faults at the bearing of shaft I at the north of the speed-up gearbox.
(a) Inner-race pitting
(b) Outer-race pitting