This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPWC204-20mmG Pillow Block Cast Iron Light Duty Ball Bearing Eccentric Locking Collar 20mm Inner Diameter FHPWC204-20mmG 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 relubricatable unit, Standard seal is RST tight riding, full cover, metal shroud seals.