Yamaha Raptor (Raptur) ATV Rear Axle Ball Bearings Set of 2 ball bearings for use in the Yamaha ATV Raptor (Raptur) rear axle, model year 2001 & 2002, Bearings are made of Chrome Steel and can rotate up to 11,000 rpm with no problem, Bearings have C3 the ultimate clearance for higher speeds, 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.