This item will be shipped within One Week Returns Subject to 15% restocking Fee FHSFX203-17mmG Flange Ductile 2 Bolt Unit Ball Bearings Set Screw Locking 17mm Inner Diameter FHSFX203-17mmG Flange Ductile 2 Bolt Unit Ball Bearing, Bearing is standard duty and high strength ductile iron, bearing is narrow inner ring, bearing is relubricatable, Standard seal is RST tight riding, full cover, metal shroud seals.