6909DU Sealed Ball Bearing 45x68x12mm6909DU Ball Bearing 45mm x 68mm x 12mm Ball Bearing 6909DU, the 6909 DU bearing are made from high strength Chrome Steel, 6909DU can rotate up to 5,500 rpm, 6909DU bearing has Rubber Seals to protect the bearing from dust or any possible contamination, 6909DU bearing are self lubricated bearing, 6909DU bearing are already greased. Double Sealed ball bearing 6909DU 6909DU Closures: Rubber Seals Quantity: 1 Bearing 6909DU. Dynamic load rating Cr: 14,100