insulated deep groove ball bearing -币游国际app

insulated deep groove ball bearings generally have two types: the inner insulation coating insulated bearings and the outer coat insulated bearings. the basic coating can withstand voltages up to 3000 volts ac or dc. however, according to customer requirements supply 500v-3000v dc coating. one can refer to international suffix (vl0241 & vl2071, j20aa, j20b, j20c, sq77 & sq77e etc). applications mainly used in high-power electric motors, wind turbines, railway locomotive traction motors, variable frequency motors, generators and other occasions.