UC210-50mm Bearing Insert 50mm MountedThis item will be shipped within One Week Returns Subject to 15% restocking Fee UC210 50mm Bearing Insert Set Screw Locking 50mm Inner Diameter UC210 50mm Bearing Insert, Bearing is standard duty, bearing is Wide inner ring with spherical outer ring, Bearing is relubrication groove with oil hole on set screw side, bearing is nylon patched class 3A set screw, Standard seal is R Seal. UC210 50mm Bearing Cylindrical Carttridge Ball Bearing Shaft