8* Skateboard Bearings ABEC 9 for Fidget Spinner Replacement Chrome Steel Black

608 Bearings , A Professional Skateboard Bearings
for Skateboard, Roller Shoes ,Fidget Spinner
Material : Gcr15 ( All Chrome Steel)
Size: 
Inner Diameter: 8 mm ( 0.31 Inch)
Outer Diameter: 22 mm (0.87 Inch)
Height: 7 mm (0.28 Inch)
Ball Diameter: 3.9688 mm (0.1563 Inch)
Ball Quantity: 7
Static Load : 1200 N
Dynamic Load: 2600 N
Limit Speed : 32000 / min
Accuracy Class: ABEC-9
Noise: Tiny Noise
Idling Performance : High Speed
Anti-Expansion Properties: Excellent
Lubricating Oil: Light oil
Package Include: 8 Pcs Skateboard Bearings