Analiza uszkodzeń łożysk spowodowanych prądami łożyskowymi

The negative influence of bearing currents on the durability of rolling bearings in the alternating current electric motors are shown. The reasons of bearing current formation in electric motors are given. Examples of bearing races damages of cooperating rolling bearing elements are presented. Analysis of dents distribution in the roller, roll-neck and ball bearing races are made. Conclusions drawn from laboratory researches are presented in chapter 6.