TRX350 FourTrax 4x4 ATV Rear Axle Chrome Steel set of 2 Ball Bearings Set of 2 ball bearings for use in the TRX350 FourTrax 4x4 ATV rear axle, each bearing has 2 rubber seals to protect the bearing from dust or any possible contamination, Bearings are packed in the original manufacturer bag, also bearings are pre-lubricated with grease, Bearings are made of Chrome Steel.