Lovejoy 69790442537 Steel Hercuflex FX Series 42537 FX 4EM Hub, Rigid, 6" Bore, 8.10" OD, 4.75" Length Through Bore, 1-1/2" x 3/4" Keyway, 311540 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.