Am I missing something? But surely if the rating is higher (abec) it has less run out and slop so should allow less crud to enter the bearing? So should last longer?
I think I am with lippy on this one!

And can't see anything wrong with him bigging his products up, all company's do.... How many Rc cars claim to be the the ultimate?
Ref , do you think as a brca ref you should be entering into spurious forum debates using words like sh*t!?
Just my thoughts