16 Roller Skate Black Bearing - Bronze Cage & Yellow Seals16 Roller Skate Black Bearings with Bronze Cage and yellow Seals 8mm x 22mm x 7mm Metric Set of 16 Roller Skate Black Bearings, bearings work in Roller Blades, 16 Deep Groove Radial Ball Bearings, bearings are black and have Bronze Cage that would make them faster, bearings have 2 Removable yellow Seals, Made from high strength chrome steel for durability and performance, each bearing has 2 Removable yellow Seals to protect the bearing from dust or