This idea of using all sorts of different axle parts to assemble a disc brake I-beam axle has turned out to be quite different than the original ideas of this thread to adapt disc brakes to the existing axle.

If original axle and fabricated disc brake kit and or replacement wheel bearings is your goal stick with this existing thread.
I think I'm moving on though, I like the new ideas and direction better.

I felt it better to branch off and start a new thread for the continuation of the assembled axle idea.
https://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=725027#Post725027

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-