Lovejoy 69790400223 Cast Iron F 4.5E Sleeve with O-Ring, 5.31" Length Through Bore, 13.63" OD, 13.63 Inch Pounds Item Torque

                For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings. Exposed bolts are the standard design. F Type coupling consists of two flex hubs, two sleeves, and one accessory kit.