Bore Diameter (Actual) 1.625 in, Bore Length 4.63 in, Bushing Size J , Bushing Type QD , J X 1-5/8-KW BUSHING , Installation Torque 1620.0 in_POUND, Integral Key - No , Keyway Size 0.375 X 0.375 , Material Cast Iron, Class 30 , Number of Bolts 3.0 , Rated Torque 45000.0 in_POUND, Shaft Attachment Finished Bore