Very true words Greg - nice catch!
My 65' Heavy 10 has turned into the same complete rebuild. Bearings were all shot in the Countershaft and now the QCGB. No doubt I'll see some issues with the Apron, Saddle, Tailstock and Spindle.......hopefully all minor.
When a machine is over 30 yrs old it is going to need new sealed bearings.....just the way it works. Swarf, chips, caked grease gum up everything. Took me an hour to clean the oil passages in the Gearbox. We should all be thankful that these machines can take abuse, and the majority of them can be returned to factory fresh.......but it does take some time, some TLC, and a lot of patience. It is very rewarding to see a problem and fix it.
Keep at it.... I'll be a couple months behind on my restore.....but (like you) will be very pleased with the process and outcome.