A metal or plastic shield located on the face sides of a ball or roller bearing, primarily designed to prevent foreign substances from entering the internal construction of the bearing.
air-tight bearing protector part name assigned by controlling agency, boat trailer end item identification, kit includes universal adapter ring, hard-coat anodized., bushing, stainless steel., super seal., air pressure gauge unit cap, hard-coat anodized., fill valve, bronze with nickel plating., bonding agent. has a capacity of 5200 pounds. special features, steel corrosion resisting spacer material