This item will be shipped within One Week Returns Subject to 15% restocking Fee SER-40mm Bearing Insert Set Screw Locking 40mm Inner Diameter SER-40mm Bearing Insert, Bearing is Standard load capacity, bearing is Wide inner ring with cylindrical outer ring and snap ring, Bearing has relubrication groove with oil hole on side opposite of set screws, bearing has anti-rotation pin on side opposite grease groove, bearing is nylon patched class 3A Set Screws are standard, Standard seal is R-Seal.