... won the trust and praise from most of our customers. Deep groove ball bearings and various kinds of non-standarded bearings are our ... , medical devices, motorbikes, textile machines, autos and other areas. deep groove ball bearing(auto bearing)We have Open, Z, ZZ, RS, 2RS,RZ, 2RZ.N ... .We produce 6000, 6200, 6300, 6800 and 6900 series. Single row deep groove ball bearing,auto bearing