16 inline Skate Sealed Bearing Bronze Cage16 inline Skate Bearings 608 2RS BRONZE Cage 16 skate bearings 608 2RS are Sealed Deep Groove Oil Preserved Radial Ball Bearings with BRONZE cage, The Bronze material is one of the least friction and less friction means higher speeds. Bearings have Rubber Seals, Made from high strength chrome steel for durability and performance, features dual rubber seals for enhanced protection against dust and contaminants, also bearings are pre lubricated with