This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPFFZ210-31 Flange Pressed Steel 4 Bolt Ball Bearing 1 15/16" Inch Inner Diameter FHPFFZ210-31 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.