S6903-2RS Stainless Steel Sealed Bearing 17x30x7mmS6903 2RS Stainless Steel Sealed Ball Bearing 17mm x 30mm x 7mm S6903 2RS radial and deep groove ball bearing, bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, S6903 2RS bearings is sealed and self lubricated, S6903 2RS bearing is made from stainless steel, bearings is lubricated with grease. S6903 2RS Ball Bearing Deep groove radial ball bearing Material: Stainless Steel Closures: Double sealed with