You are buying one 608CE Full Ceramic bearing made of Zirconia ceramic with Zirconia ceramic balls and PA66 Cage, low friction all the way, made specially for the hand spinners, high quality, high speed.

Check our video testing this Full ceramic bearing in a Fidget spinner, search youtube for wP3nF8X5vXE

• Item: 608 Hand Spinner Toy Bearing.
• Type: Full Ceramic
• Bearing Size: 8mm x 22mm x 7mm
• Dimensions: 8*22*7 mm/Metric
• ID (inner diameter)/Bore=8mm
• OD (outer diameter)=22mm
• Width/Height/thickness=7mm
• Inner/outer races: ZrO2 (zirconium oxide) Ceramic
• Balls: ZrO2 (zirconium oxide) Ceramic
• Quantity: One ball bearing
• Cage: PA66
• Closures: Open