Keyless Bushing Flange Type Not Applicable For Bore Diameter 1 1/8 in Keyless Bushing Type Multi-Screw Locking Assembly Material Carbon Steel Outside Diameter 2 5/32 in Overall Width 1.126 in System of Measurement Inch Hub Contact Pressure 17 621 psi Maximum Transmitted Torque 454 ft-lb Outside Diameter Tolerance +0.0013 in