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That got welded in place (without the bearing, and the fit is loose enough the bearing can be tapped out easily.)
I then machined a foot-long chunk of 1" cold-rolled steel into a new shaft, added a thick collar as a thrust surface
(used to be an old 7/8" nut, turned down and bored out, MIGged in place) and turned a 2.5" diameter shallow
"cup" to hold a tapered roller bearing at the top (also MIGged into place.)





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