This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPFZ203-17mm Flange Pressed Steel 3 Bolt Ball Bearing 17mm Inner Diameter FHPFZ203-17mm Flange Pressed Steel 3 Bolt Ball Bearing, bearing is Two light duty and self aligning pressed steel housing, bearing is narrow inner ring, Bearing is zinc plated stamped Steel, bearing is Non-relubricatable, Standard seal is RST tight riding, full cover, metal shroud seals.