The bearings I have en route to me have small diameter needles, spaced VERY close together, almost like a universal joint. I think shaft wear would be at a minimum, since the rollers will overlap each others' travel a little.

www.ebay.com/itm/204380274310

Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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