8 Skateboard/Skate Black Bearings Yellow Seals & Nylon Cage Set of 8 Bearings (retail packed) set of 8 Deep Groove Radial Ball Bearings, bearings are blacked and have nylon cage that would make them faster, bearings have 2 Removable yellow Seals, Bearings are made of Chrome Steel, each bearing has 2 Removable yellow Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with oil.