UC212-37 Black Oxide Plated Plated Insert 2 5/16 Bore BearingThis item will be shipped within One Week Returns Subject to 15% restocking Fee UC212 37 Black Oxide Plated Insert Ball Bearing 2 5 16" inch Inner Diameter UC212 37 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. UC212 37 Black Bearing