FYH Bearing 17mm Bore SB203 Axle Insert Ball Mounted BearingSB203 FYH ball Bearing Insert Cylindrical bore (with set screws) 17mm Inner Diameter Bearing SB203 FYH Mounted Axle Bearing 17mm Bore. The inner diameter is 17mm, the outer diameter is 40mm and the width is 22mm. SB203 FYH Bearing Mounted Axle Bearing Quantity: 1 Bearing Basic Load (Cr): 9,550 N Basic Load (Cor): 4,800 N Dimensions d D B C r (min) S S1 S2 17mm 40mm 22mm 12mm 0. 6mm 6mm 16mm 4mm