ATV Rear Axle Set of 2 Ball Bearings You are bidding on a Quality set of 2 bearings for use in the ATV rear axle, Bearings are made of Chrome Steel and can rotate up to 11,000 rpm with no problem, each bearing has 2 rubber seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed in the original manufacturer bag.