Full ceramic insert bearing dimensions,   Full ceramic insert bearings Bearing No Boundary Dimensions (mm) mass （kg)      (refer） d D B S C r/min G ds ZrO2 Si3N4 UC201CE 12 47 31 12.7 17 0.6 4.5 M6 x 1 0.16 0.09 UC202CE 15 47 31 12.7 17 0.6 4.5 M6 x 1 0.15 0.08 UC203CE [...]