Yamaha Rear Wheel Bearing For YZ125 and YZ250 Fits model years 1988-1998 3 Ball Bearings 3 bearings for use in the Yamaha Rear Wheel Bearing, For Model YZ250 and YZ125 Fits model years 1988-1998 only. Bearings are made of Chrome Steel, each bearing are Double Sealed to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated, Bearings are packed in the original manufacturer bag.