6008RS Sealed Ball Bearing 2 Ball Bearings Set of 2 bearings 6008RS for use in many apllications. 6008RS Bearings are made of Chrome Steel, 6008RS can rotate up to 10,000 rpm with no problem, 6008RS Bearings have optimum clearance for higher speeds, 6008RS bearing has 2 rubber seals to protect the bearing from dust or any possible contamination, 6008RS bearings are pre-lubricated with grease, 6008RS Bearings are packed in the original manufacturer bag.