Bore Diameter (Actual) 40.0 mm, Bore Length 1.25 in, Bushing Size SH , Bushing Type QD , SHX40MM , Installation Torque 108.0 in_POUND, Integral Key - No , Material Ductile Iron, Class 65 , Number of Bolts 3.0 , Rated Torque 3500.0 in_POUND, Shaft Attachment Finished Bore