6819-2RS Sealed Ball Bearing 95mm x 120mm x 13mm One Bearing 6819-2RS Bearing is double sealed, radial and deep groove ball bearing, bearing is made of Chrome Steel with chrome steel balls and steel cage,6819-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,6819-2RS bearing is sealed and self lubricated, the quality is set to EMQ (electric motor quality) to ensure high speed, 6819-2RS bearing is lubricated with greased.