... 2 Less coefficient of friction 3 High quality, goog service Deep Groove Ball Bearings Special properties1. High accuracy2. Low noise3. Low ... , motors, medical devices, motorbikes, textile machines, autos and other areas. deep groove ball bearingWe have Open, Z, ZZ, RS, 2RS,RZ ... ,Z2V2,Z3V3.We produce 6000, 6200, 6300, 6800 and 6900 series.Model specifications BearingNoBored(mm)O.dD(mm)WidthB(mm)Load ...