Deep Groove Ball Bearings 6322, 6324, 6326, 6328, 6330, 6332, 6334, 6336, 6338, 6340, 6344, Open Type, Zz, 2RS, ABEC-1 Grade

Jul 22, 2018 - The ABEC rating system is the American method for rating the accuracy and tolerance of ... ABEC 5 bearings are the norm in skateboarding

Jul 13, 2002 - Most of what the skateboarding public knows about the ABEC rating of .... selling bearings, mainly with ABEC 1, ABEC 3, ABEC 5, and ABEC 7 

One (1) set of eight (8) Lucky Bearings Black Beauty Bearings from Lucky Bearings; Rating: Abec 5; Industry standard size: 608 with a 8mm core, 22mm outer 

Grade 5 Chromium Steel Balls. High precision balls are within 5/1,000,000″ round. These are military level specification, used for precision equipment

There are five classes, going from widest tolerances to tightest: 1, 3, 5, 7, and 9. Higher ABEC classes provide better precision, efficiency, and greater speed 

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 from largest to smallest tolerances: 1, 3, 5, 7, 9

The answer is that "Bones Bearings are Skate Rated™ not ABEC rated." Bones® ... The ABEC rating system includes grades 1,3,5,7, and 9. The higher the 

Aug 24, 2015 - ABEC includes five tolerances classes: 1, 3, 5, 7, and 9 with 1 being the widest and 9 the tightest. Thus, bearings with a higher ABEC rating