This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPFFZ210-50mmG Flange Pressed Steel 4 Bolt Ball Bearing 50mm Inner Diameter FHPFFZ210-50mmG 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 relubricatable, Standard seal is RST tight riding, full cover, metal shroud seals.