I’d just jam an expansion anchor in there and then drift it out from the other side. Considering that you are painting it anyway, then you could use a little heat on the frame if it is being stubborn.
The issue of not being able to do anything without having a whole forum tell you how?.
You can tell by some people’s questions that they are gibbon fisted….
Rather harsh, removing blind bearings is not a particularly intuitive task. I see where you are coming from though, one thread to ask how many bearings to replace, another thread to ask how to remove the bearings, I’d have waited for a 3rd thread asking whether to grease the faces or not before pressing in before ranting though 😉