6707-2RS Sealed 35x44x5 Ball Bearing6707 2RS Sealed Ball Bearing 35mm x 44mm x 5mm 6707 2RS Sealed Ball Bearing, Bearing inner diameter is 35mm, Bearing outer diameter is 44mm and Bearing width is 5mm, Bearings is made from Chrome Steel, each bearing has 2 rubber seals to protect the bearing from dust or any possible contamination , plus its pre lubricated with grease so its ready to roll right away. 6707 2RS Ball Bearing Deep Groove Ball Bearing Material: Chrome Steel Closures: Two