FYH Bearing 12mm Bore SB201 Axle Insert Ball Mounted BearingSB201 FYH ball Bearing Insert Cylindrical bore (with set screws) 12mm Inner Diameter Bearing SB201 FYH Mounted Axle Bearing 12mm Bore. The inner diameter is 12mm, the outer diameter is 40mm and the width is 22mm. SB201 ball 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 12mm 40mm 22mm 12mm 0. 6mm 6mm 16mm 4mm