Abec 9 Bearings

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ABEC scale - WikipediaThe ABEC scale is an industry accepted standard for the tolerances of a ball bearing.  There are five classes from largest to smallest tolerances: 1, 3, 5, 7, 9Abec vs. Skate Rated™ - Support - Bones BearingsIn an application like this, an ABEC - 7 or 9 bearing rating may be appropriate. However, a skateboard with 54mm wheels turning 20,000 RPM will be traveling 
Bullseye Bearings ABEC 9 Skateboard  The Bullseye ABEC 9 Bearing. Bearings are circular pieces of steel with flat sides that contain eight lubricated balls, their purpose is to keep wheels running Abec 9 Skateboard Bearings | Lily BearingAbec-9 has been the highest grade in bearing industry. The Abec 9 rollerblade bearing can be applied to any harsh conditions with high speed requirementsThe ABEC Myth | TransWorld SKATEboardingJul 13, 2002 - The ABEC rating system uses odd numbers, ranging from 1 to 9. The higher the number, the tighter the tolerance of the bearing, and thus, the 
 

High Quality Flanged Miniature Ball Bearings F685zz, F695zz, F605zz, F625zz, F635zz ABEC-1

Flanged Pilot Type Compact Type
50 Deep Groove Ball Bea

Miniature Ball Bearings 681zz, 682zz, 683zz, 684zz, 685zz, 686zz, 687zz, 688zz, 689zz ABEC-1, ABEC-3

Square flange shape Standard
No Cast Iron

High Quality Miniature Deep Groove Ball Bearings 608, 608zz, 608 2RS ABEC-1 ABEC-3

[Aluminum Alloy] 201 Deep Groove Ball Bea
Flange Type DD (Contact Rubber S