RBnDFW wrote:

That's what it seems to me, as well. I bought the two cheaper ones.

Some people routinely buy new sealed bearings, pop the seals and replace
the grease inside with the best grease they can buy.
I know at least one that swears by this, and he is responsible for a
bearing-studded production line

Well if the bearing is lubed with something akin to Kluber NBU-15 it *might* be worth it.

http://www.wadkintooling.com/WannerG...easetubes.html

Damn, that 50 gram tube I have in my tool box is almost 32 bucks.

Wes