6810DDU Bearing 50x65x7 Sealed6810DDU Sealed Ball Bearing 50m x 65mm x 7mm 6810DDU Bearing, categorized as slim section, double sealed, radial and deep groove ball bearing, 6810DDU bearing is made from Chrome Steel with chrome steel balls and steel cage,6810DDU bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6810DDU bearing is sealed and self lubricated,the 6810DDU inner diameter is 50mm, the 6810DDU outer diameter is 65mm and