6009-2RS Bearing 45x75x16mm Sealed6009 2RS Sealed Ball Bearings 45mm x 75mm x 16mm 6009 2RS Sealed Ball Bearings, bearing is made from Chrome Steel, this is self lubricated bearing (bearing is already greased), each bearing has 2 Rubber Shield to protect the bearing from dust or any possible contamination. 6009 2RS Ball Bearing Deep Groove Ball Bearings Size: 45mm x 75mm x 16mm Bearing Inner Diameter: 45mm Bearing Outer Diameter: 75mm Bearing Width: 16mm Closures: Rubber Sealed