SMR106-2RS Stainless Steel Ball Bearing 6mm x 10mm x 3mm SMR106-2RS double sealed, radial, deep groove ball bearing, bearing is made of Stainless Steel, bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, bearing is sealed and self lubricated, the inner diameter is 6mm, the outer diameter is 10mm and the width is 3mm.