We know that occasionally a skate bearing will fail. In the past, if you had a defective bearing you would either have to buy from a store’s bulk box or buy a new set. Bones Bearings presents an option with one of the most trusted bearings in the world, #1 selling Bones REDS. Bones REDS SWRB (Single wheel replacement bearings). 2 Bones REDS bearings per pack.