Keyless Bushing Flange Type Flanged For Bore Diameter 3/4 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 1 5/16 in Overall Width 0.964 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 24 622.044 psi Maximum Transmitted Torque 103 ft-lb Outside Diameter Tolerance +0/-.002 in