This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPWC206-30mm Pillow Block Cast Iron Light Duty Ball Bearing Eccentric Locking Collar 30mm Inner Diameter FHPWC206-30mm Pillow Block Cast Iron Light Duty Ball Bearing, bearing is eccentric locking collar, Bearing is solid foot housing design, bearing has Narrow inner ring, bearing is Non-relubricatable unit, Standard seal is RST tight riding, full cover, metal shroud seals.