This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPFFZ211-55mm Flange Pressed Steel 4 Bolt Ball Bearing 55mm Inner Diameter FHPFFZ211-55mm Flange Pressed Steel 4 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.