Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 7/16 in Keyless Bushing Type Multi-Screw Locking Assembly Material Carbon Steel Outside Diameter 3 47/64 in Overall Width 1.37 in System of Measurement Inch Hub Contact Pressure 22 860 psi Maximum Transmitted Torque 2 728 ft-lb Outside Diameter Tolerance +0.0018 in