Lovejoy 69790441111 HERCUFLEX FX Series 41111 FX 3.5E Steel Rigid Hub, Length Through Bore 106.4 mm, 21 mm Bore, 174.5 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.