This item will be shipped within One Week Returns Subject to 15% restocking Fee FHF3C207-23 Flange Round Hole 3 Bolt Ball Bearing Eccentric Collar Locking 1 7/16" Inch Inner Diameter FHF3C207-23 Flange Round Hole 3 Bolt Ball Bearing, bearing is standard duty, high-grade cast iron, Bearing is solid foot housing design, bearing is Non-relubricatable unit,bearing is narrow inner ring, Standard seal is RST tight riding, full cover, metal shroud seals.