Quote Originally Posted by Andrew Wilding View Post
Waitroda,
How hot do your bearings get?
I will update my build log to show the progress.
I was running today machine non stop for 4 hours and after I couldn't keep fingers on spindle as well. I never paid too much attention to bearings temp until I read your post :) That's the DIY spindle filled nearly entirety with synthetic engine oil with a little air gap. When I mill next time I'll do the temp checks in some time periods.
I'm awaiting for your update