Came to know about ABEC today. Probably, not the most important thing we need to know but, hey, here it is.
American Bearing Engineering Committee or council.
The higher the ABEC rating the tighter the tolerance.
Tolerance to a certain value...
tighter tolerance = more equipments rejecting the bearings although,
tighter tolerance is also = better performance.
The American system ABEC is exactly the opposite of the ISO standards (International Standards Organization), as usual :-|. Higher ABEC number is class 1 and lower ABEC number is class 6, class 1 being the best.
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