Keyless Bushing Flange Type Not Applicable For Bore Diameter 3/4 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 1 27/32 in Overall Width 1.358 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 33 105.691 psi Maximum Transmitted Torque 16 ft-lb Outside Diameter Tolerance +0/-.002 in