6807-2RS Sealed Ball Bearing 35 x 47 x 7 mm 6807-2RS Sealed Ball Bearing is radial, deep groove ball bearing,bearing is made of Chrome Steel with chrome steel balls and steel cage,6807-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,6807-2RS bearing is sealed and self lubricated,the quality is set to EMQ (electric motor quality) to ensure high speed,6807-2RS bearing is lubricated with grease.