Quote:
Originally Posted by Jared
If you have a set of two driven rollers or wheels with a pair of bearings in between, you're forced to use a hex bearing here. The inner race of the hex bearing is much weaker than the inner race of the round bearing and has a sloppy fit. I'm pretty sure 254 solved this problem in the past on their outer wheels by using 1/2" keyed shaft...
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No, they used 7/16" hex at the wheels.