Lovejoy 69790441235 HERCUFLEX FX Series 41235 FX 3.5S Steel Rigid Hub, 18 mm Bore, 174.5 mm OD, 6 mm x 2.8 mm Keyway, 106.4 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.