Lovejoy 69790442253 HERCUFLEX FX Series 42253 FX 4E Steel Rigid Hub, Length Through Bore 120.7 mm, 21 mm Bore, 205.7 mm OD, 6 mm x 2.8 mm Keyway

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