Originally Posted by
Slightspeed
No idea. I'm not a wheel builder, like I said I got the wheels used, so I don't know their history. The hub was dated 1960, so anything could have happened in that time. They spun very true, and never gave any indication of trouble. With the replacement, so far so good.
Uncommon, but note the hub had been rebuilt a few times... makes one wonder if there was a lateral load occurrence at some point.