Uc308 D1 NskUC308D1 Bearing UC308D1 Bearing d 40 mm Bore diameter D 90 mm Outside diameter B,B4 52 mm Width of inner ring C 27 mm Outer ring width r(min.) 2 mm Chamfer dimension S1 33 mm Distance from locking device side face to raceway centre G 10 mm Distance face to thread centre ds M101. 25 Set screw Ca 6. 1 mm Distance from oil hole centre to raceway centre d4 56 mm Outside diameter of inner ring Cr 40. 5 kN Basic dynamic load rating C0r 24 kN Basic static