6810DDU Bearing, categorized as slim section, double sealed, radial and deep groove ball bearing, 6810DDU bearing is made of 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 the 6810DDU width is 7mm, the quality is set to EMQ (electric motor quality) to ensure high speed,6810DDU bearing is lubricated with grease.