UC206 30mm Black Oxide Plated Plated Insert 30mm Bore BearingUC206 Black Oxide Plated Insert Ball Bearing 30mm Inner Diameter UC206 20 Black Oxide Plated Insert Ball Bearing, bearing is wide inner ring with spherical outer ring, bearing is re lubrication groove with oil hole on set screw side, bearing is anti rotation pin on side opposite grease groove, bearing is nylon patched class 3A set screws. UC206 Black Oxide Bearing Oxide Plated Insert Ball Bearing Shaft Diameter: 30mm Dynamic load rating: 19438 N