6808RS1 Sealed Ball Bearing 40x52x7mm6808RS1 Sealed Ball Bearing 40mm x 52mm x 7mm 6808RS1 Bearing, categorized as slim section, double sealed, radial, deep groove ball bearing, 6808RS1 bearing is made from Chrome Steel with chrome steel balls and steel cage, 6808RS1 bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6808RS1 bearing is sealed and self lubricated with grease. The 6808RS1 inner diameter is 40mm, the 6808RS1 outer diameter is