Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 3/8 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 3 33/64 in Overall Width 0.945 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 22 699 psi Maximum Transmitted Torque 2 354 ft-lb