Ignoramus2057 wrote:

At the same time, if you search for ABEC 7 on eBay, you will see a
huge quantity of a buck a dozen "ABEC 7" skateboard or roller skate
bearings.

I have hard times believing that they are really made to such
specs. (or that skateboards need such precision)


I was at a Favnir or SKF class a few years ago. They said they didn't make
an ABEC 1 and a 3 was likely to be a 5 since their goal is to make good
bearings.


Wes