833 4spd repair advice

I would not be nearly as concerned about the bearings/rollers as I would be 1-2-3 speed gears spinning on a stationary main shaft for 10 minutes without lubrication. Even if those parts were lubed up when installed, it would not provide adequate lubrication...especially after 10 min of run time. It needs to come all the way apart, look for galling on the main shaft. Unfortunately I think your lesson here will be expensive....sorry.