Bore Diameter (Actual) 20.0 mm, Bore Length 2.0 in, Bushing Size SF , Bushing Type QD , SFX20MM , Installation Torque 360.0 in_POUND, Integral Key - No , Keyway Size 6 X 6 , Material Sintered Steel , Number of Bolts 3.0 , Rated Torque 11000.0 in_POUND, Shaft Attachment Finished Bore