Brand | IKO |
C | 22 mm |
Bearing number | RNA 4909UU |
Size (mm) | 52x68x22 |
Da max. | 64 mm |
Basic dynamic load rating (C) | 38,9 kN |
Weight | 0,197 Kg |
Width (mm) | 22 |
Outer Diameter (mm) | 68 |
Basic static load rating (C0) | 63,4 kN |
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
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
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
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
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