Originally Posted by Tourmeister
it was smooth right up to the moment it let go
It may have felt smooth to your back end, but I bet that your right hand would have felt the roughness 1000 miles earlier.
Steptoe, thanks a lot for the pictures! I can attest that the whole procedure is doable as Steptoes says, and that the only hard part is to drive the old bearing out. A bit of side-road desperation would have easily taken care of the problem.