Wholesale ABEC-9 Custom 608 Professional Concave Skateboard Bearings

Jul 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 

Jump to ABEC and Other Rated Bearings - ABEC, which stands for Annular Bearing ... ABEC 9 – Those bearings with a rating of at least 9 are 

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 

Synopsis ABEC 9 Ceramics Bearings are German engineered inner-outer races along with a new and more advanced black ball ceramic formula provides you 

Jun 16, 2018 - You will see roller skate bearings marketed with all kinds of ABEC ratings: ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9 and even ABEC-11

Fast, free shipping. Abec 9 skateboard bearings from Sector 9 and Nothing Special

The 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, 9

In 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 

Jul 22, 2018 - Skateboard bearings often have an ABEC rating that indicates the level of ... ABEC 9 and higher bearings would be ridiculous to use in a 

Abec-9 has been the highest grade in bearing industry. The Abec 9 rollerblade bearing can be applied to any harsh conditions with high speed requirements