| S | 9,5 mm |
| C | 19 mm |
| D | 72 mm |
| Bore Diameter (mm) | 31.75 |
| Basic dynamic load rating (C) | 28,5 kN |
| Outer Diameter (mm) | 72 |
| Width (mm) | 25,4 |
| B | 25,4 mm |
| L | 4 mm |
| Bearing number | GRA104RR |
Abec vs. Skate Rated™ - Support - Bones Bearings
The ABEC rating system includes grades 1,3,5,7, and 9. The higher the ABEC rating, the tighter the tolerances are, making the bearing a more precision part
ABEC scale - Wikipedia
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
What an ABEC Rating Tells You About Skateboard Bearings
Jul 22, 2018 - Skateboard bearings often have an ABEC rating that indicates the level of precision and ... ABEC 5 bearings are the norm in skateboarding
The ABEC Myth | TransWorld SKATEboarding
Jul 13, 2002 - “Today, skateboard companies are selling bearings, mainly with ABEC 1, ABEC 3, ABEC 5, and ABEC 7 ratings. The common misconception is
LUCKY ABEC 5 Bearings : Skateboard ...
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