6706 2RS Hybrid Ceramic Bearing 30374 mm ABEC-1 ( 1 PC) Industry Motor Spindle 6706HC Hybrids Si3N4 Ball Bearings 3NC 6706RS

6706 2RS Hybrid Ceramic Bearing 30*37*4 mm ABEC-1 ( 1 PC) Industry Motor Spindle 6706HC Hybrids Si3N4 Ball Bearings 3NC 6706RS