This item will be shipped within One Week Returns Subject to 15% restocking Fee FHSFLCTQ201-8 Flange Ductile Flush 2 Bolt Unit Ball Bearings Set Screw Locking 1/2" Inch Inner Diameter FHSFLCTQ201-8 Flange Ductile Flush 2 Bolt Unit Ball Bearing, Bearing is standard duty and high grade cast iron, bearing is narrow inner ring, bearing is Non-relubricatable, Standard seal is RST tight riding, full cover, metal shroud seals.