Keyless Bushing Flange Type Not Applicable For Bore Diameter 7/8 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 1 27/32 in Overall Width 1.024 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 32 317.662 psi Maximum Transmitted Torque 22 ft-lb Outside Diameter Tolerance +0/-.002 in