6816DDU 80x100x10mm Sealed Ball Bearing6816DDU Sealed Ball Bearing 80 x 100 x 10 mm 6816DDU Bearing is double sealed, radial and deep groove ball bearing, 6816DDU bearing is made from Chrome Steel with chrome steel balls and steel cage, 6816DDU bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, bearing is sealed and self lubricated with grease. 6816DDU Ball Bearing Deep groove radial ball bearing Lubrication: Pre lubricated with grease