Keyless Bushing Flange Type Flanged For Bore Diameter 16 mm Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 1 3/16 in Overall Width 24.5 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 29 315.621 psi Maximum Transmitted Torque 86 ft-lb Outside Diameter Tolerance +0/-.002 in