- ABEC 7**
- Quality bearings at an affordable price.
- Blue Rays have CNC machined inner-outer races with harden chrome steel bearing balls providing you with exceptional bearing smoothness, durability and speed.
- German engineered you can be assured of their precision, quality, and speed being far beyond any bearings in their price range.
**The ABEC scale is an industry accepted standard for the tolerances of a ball bearing. It was developed by the Annular Bearing Engineering Committee (ABEC) of the American Bearing Manufacturers Association (ABMA). There are five classes, going from widest tolerances to tightest: 1, 3, 5, 7, and 9.
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