6810-2RS Sealed Ball Bearing 50m x 65mm x 7mm 6810-2RS Bearing, categorized as slim section, double sealed, radial and deep groove ball bearing,6810-2RS bearing is made of Chrome Steel with chrome steel balls and steel cage,6810-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,6810-2RS bearing is sealed and self lubricated,the 6810-2RS inner diameter is 50mm, the 6810-2RS outer diameter is 65mm and the 6810-2RS width is 7mm, the quality is set to EMQ (electric motor quality) to ensure high speed,6810-2RS bearing is lubricated with grease.