This item will be shipped within One Week Returns Subject to 15% restocking Fee FHPPZ204-20mm-IL Pillow Block Pressed Steel Ball Bearing Set Screw Locking 20mm Inner Diameter FHPPZ204-20mm-IL Pillow Block Pressed Steel Ball Bearing, bearing is light duty, self-aligning pressed steel housings, housing unit is available with inter-locking feature(IL suffix), bearing is narrow inner ring, Standard seal is RST tight riding, full cover, metal shroud seals.