Lovejoy 69790443726 HERCUFLEX FX Series 43726 FX 4.5S Steel Rigid Hub, 71 mm Bore, 230.9 mm OD, 20 mm x 4.9 mm Keyway, 134.9 mm Length Through Bore

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