Lovejoy 69790443538 HERCUFLEX FX Series 43538 FX 4.5E Steel Rigid Hub, Length Through Bore 134.9 mm, 22 mm Bore, 230.9 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.