6022ZZ Shielded Ball Bearing 110mm x 170mm x 28mm One Ball Bearing 6022ZZ Shielded Ball Bearing, bearing is Chrome steel, 6022ZZ has Electric motor quality, each 6022ZZ bearings is closed with 2 Metal Shields, one Shield from each side, to protect the bearing from dust or any possible contamination, also 6022ZZ bearing is pre-lubricated with grease, Bearings 6022ZZ has industrial packaging.