6204ZZ Shielded Ball Bearings 10 Ball Bearings Pack of 10 bearings 6204ZZ for use in many applications, 6204ZZ Bearings are made of Chrome Steel,6204ZZ bearing has 2 Metal shields to protect the bearing from dust or any possible contamination, 6204ZZ bearings are pre-lubricated with grease, 6204ZZ Bearings are packed in the original manufacturer bag.