I have a Thompson 8105-448-014 ball screw and nut. It feels loose and Thompson rates its repeatability (back lash) as .005. I would like to tighten it up with new balls. No problem getting the balls out or back in, but what size should I get for a start? It is supposed to have 1/8" balls. The ones that are in it are actually .1234. Funny number, but that's what they are.
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