S6905-2RS Stainless Steel Sealed Ball Bearing 25mm x 42mm x 9mm S6905-2RS radial and deep groove ball bearing,bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, S6905-2RS bearings is sealed and self lubricated, S6905-2RS bearing is made of Stainless Steel, bearings is lubricated with grease.