Thin Section Deep Groove Radial Ball Bearing Sf61802-2RS ABEC-3 Precision

The ABEC scale is an industry accepted standard for the tolerances of a ball bearing. ... Bearings not conforming to at least ABEC 1 cannot be classified as precision bearings as their tolerances are too loose. The scale also works as a guide 

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 

A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. ... The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. ... The ABEC scale is an industry accepted standard for the

ABMA standard 20 defines 5 classes: ABEC 1, ABEC 3, ABEC 5, ABEC 7, and ABEC 9. Instrument series ball bearings are defined in standards 12.1 and 12.2 

Jul 13, 2002 - “It's silly that ABEC ratings are what skaters are looking at,” he says. “An ABEC 1 or 3 is all you really need on a skateboard. In skateboarding 

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 

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