... Roll Bearing, Housing, Grease Oil Sealing etc. MountingUpright, InvertedTop EndTop Plate, Clevis End, Threaded End, Plain End and Forked Head FunctionsLifting ... , Linking Shaft, Coupling, Pillow Block Bearing, Counter, Bevel Gearbox, Swivel Plate etc.RN-Series Translating Screw Jack Material: Lifting Screwsteel C45 ...