6909DDU 45x68x12 Sealed Ball Bearing6909DDU Ball Bearing 45mm x 68mm x 12mm Ball Bearing 6909DDU, the 6909DDU bearing is made from Chrome Steel, 6909DDU can rotate up to 5,500 rpm, 6909DDU bearing has Rubber Seals to protect the bearing from dust or any possible contamination, 6909DDU bearing is self lubricated bearing, 6909DDU bearing is already greased. Double Sealed ball bearing 6909DDU 6909DDU Closures: Rubber Seals Quantity: 1 Bearing 6909DDU. Dynamic load rating Cr: 14,100 N