Lovejoy 69790442244 HERCUFLEX FX Series 42244 FX 4E Steel Rigid Hub, Length Through Bore 4.75", 6-13/16" Bore, 8.10" OD, 1-3/4" x 7/8" Keyway

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