Lovejoy 69790413973 Steel F 5E Hub, Rigid, 175 mm Bore, 5.69" Length Through Bore, 45 mm x 10.4 mm Keyway, 388.87 Inch Pounds Item Torque

                For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings. Exposed bolts are the standard design. F Type coupling consists of two flex hubs, two sleeves, and one accessory kit.