627ZZ Shielded Ball Bearing 7mm x 22mm x 7mm 627ZZ Shielded Ball Bearing, 627ZZ is made of Chrome steel, each 627ZZ bearing is closed with 2 Metal Shields, 627ZZ has Electric motor quality, one Shield from each side, to protect the bearing from dust or any possible contamination, also 627ZZ bearings are pre-lubricated with grease, Bearings 627ZZ have industrial packaging.