Recent 13++ Skateboard Tires With Bearings. Each wheel requires two bearings. Thus, skateboard bearings are sold in sets of eight. There are now skateboard bearings with parts made out of. Are you unsure which bearings you should get? Skateboard Tires With Bearings - 72mm Black Ball Bearing Inline Skate Wheel Plastic L 2442 Ohio Travel Bag As usual all the best brands can be found at skatehut.