6215-2RS Sealed Ball Bearing 75mm x 130mm x 25mm One Ball Bearing 6215-2RS Sealed Ball Bearing, Bearing inner diameter is 75mm, Bearing outer diameter is 130mm and Bearing width is 25mm, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, Bearing is made of Chrome Steel, also bearing is pre-lubricated with grease.