Lovejoy 69790443809 Steel Hercuflex FX Series 43809 FX 4.5EM Hub, Rigid, 4-1/8" Bore, 9.09" OD, 5.31" Length Through Bore, 1" x 1/2" Keyway, 427460 Inch Pounds Item Torque

                The Hercuflex coupling has increased nominal torque, larger maximum bore size and longer service life. It is interchangeable with standard AGMA flange interface.