6007ZZ Double Shielded Ball Bearing 35mm x 62mm x 14mm 6007ZZ Double Shielded Ball Bearing, bearing is made of Chrome steel, 6007ZZ is Electric motor quality, each 6007ZZ bearings is closed with 2 Metal Shields, one Shield from each side, to protect the bearing from dust or any possible contamination, also 6007ZZ bearings are pre-lubricated with grease, Bearings 6007ZZ has industrial packaging.