6211-2RS Bearing 55x100x21 Sealed6211 2RS Sealed Ball Bearing 55mm x 100mm x 21mm 6211 2RS Sealed Ball Bearing, 6211 2RS bearing is made from Chrome Steel,6211 2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6211 2RS bearing is self lubricated bearings, 6211 2RS bearing is already greased. 6211 2RS ball bearings Deep Groove Ball Bearing Closures: Rubber Sealed Material: Chrome Steel Size: 55mm x 100mm x 21mm Inner Diameter: 55mm