Set of two 6005RS Sealed Ball Bearing 25mm x 47mm x 12mm Set of two 6005RS Sealed Ball Bearing, the inner diameter is 25mm, outer diameter is 47mm and the width is 12mm, Bearing is made of Chrome Steel, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.