| Da - Outer Ring Backing Diameter | 262.000 mm |
| C0 - Static Radial Rating | 1420000 N |
| Reference Thermal Speed Rating (Oil)2 | 1400 |
| C - Inner Ring Width | 82.550 mm |
| R - Inner Ring To Clear Radius4 | 3.200 mm |
| Type | NU |
| Tapered Bore | N |
| d | 180 mm |
| B - Outer Ring Width | 82.550 mm |
| D | 280 mm |
ABEC scale - Wikipedia
There are five classes from largest to smallest tolerances: 1, 3, 5, 7, 9. The higher ABEC classes provide better precision, efficiency, and the possibility of greater
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 9 Skateboard Bearings | Lily Bearing
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
The ABEC Myth | Transworld SKATEboarding
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
Bullseye Bearings ABEC 9 Skateboard ...
The Bullseye ABEC 9 bearing is best for very fast speeds and high precision. For example, if you wanted to achieve high speeds in a downhill style skate, these