608B-2RS Fidget Hand Spinner Bearing, Deep Groove Radial Ball Bearing, bearing is black and has Bronze Cage that would make them faster, bearing has 2 Removable white Seals, Bearing is made of Chrome Steel, each bearing has 2 Removable white Seals to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with oil.

• Item: 608-2RS Ball Bearing
• Type: Fidget Hand Spinner Bearing
• Color: Black
• Closures: 2 white Removable Seals
• Cage: BRONZE(less friction=higher speeds)
• Dimensions: 8mm x 22mm x 7mm/Metric
• ID (inner diameter)/Bore: 8mm
• OD (outer diameter): 22mm
• Width/Height/thickness: 7mm
• Size: 8x22x7 mm
• Quantity: One Bearing