Lovejoy 69790442483 Steel HercuFlex FX Series 42483 FX 4EM Hub, Rigid, 2-5/8" Bore, 8.10" OD, 4.75" Length Through Bore, 5/8" x 5/16" 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.