Yamaha 4 X 4 ATV Front Knuckle Bearings Fits Wolverine 350,Big Bear 400, Kodiak 400 and Grizzly 600 2 Ball Bearings 2 bearings for use in the Yamaha 4 X 4 front knuckle bearings. Fits WOLVERINE 350, BIG BEAR 400, KODIAK 400 AND GRIZZLY 600. each bearing are Double Shield. Bearings are packed in the original manufacturer bag.