Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 11/16 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 4 21/64 in Overall Width 1.496 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 38 199.459 psi Maximum Transmitted Torque 341 ft-lb Outside Diameter Tolerance +0/-.002 in