7/8" Bearing UCP205-14 Black Oxide Plated Insert Bearing + Pillow BlockUCP205 14 Black Oxide Plated Insert Bearing + Pillow Block Set Screw Type High Center Height 7 8" inch Inner Diameter UCP205 14 Black Oxide Plated Insert Bearing + Pillow Block, UCP205 14 is Set Screw Type High Center Height, Inner Diameter is 7 8". Black oxide has certain properties and characteristics that makes it ideal for certain applications. It is used to add corrosion resistance and for appearance. UCP205 14 Black Oxide Plated Insert Bearing +