Electrical pitting wear debris analysis of grease-lubricated rolling element bearings

► The major electrical pitting caused in the first and second regime of the arc discharge. ► The test results, as reflected in this paper serve to demonstrate the power of wear debris as analyzed. ► This assists in the condition monitoring of grease lubricated rolling element bearings. ► The tests carried out and the reported findings are aimed to assist those who intend on performing further diagnostics in this area with greater ease.