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Originally Posted by Alex469
nevermind, we found that they were 3/8" in bore.
They are the steel shaft couplings that look like a super-long shaft collar with 4 set screws, we used them on out drill motors in 2003.
_Alex
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ahh yes. i just realized that now that we dont use that for our drive. or maybe not use them at all theres really no reason to use 3/8 shaft. we still use it tho. hm.. would make more sense if we just bought 1/2 shaft for our axles next year. since our bearings are for 1/2 anyway. then we could skip the annoying process of using those brass bushing/spacers each time we go from 3/8 to 1/2.