6209RS1 Sealed Ball Bearing 45x85x19mm6209RS1 Sealed Ball Bearing 45mm x 85mm x 19mm 6209 RS1 Sealed Ball Bearing, 6209RS1 bearing is made from Chrome Steel,6209RS1 bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6209RS1 bearing is self lubricated bearings, 6209RS1 bearing is already greased. 6209RS1 Ball Bearing Deep Groove Ball Bearing Closures: Rubber Sealed Material: Chrome Steel Size: 45mm x 85mm x 19mm Inner Diameter: 45mm Outer