I am renovating my rear brakes after the left caliper apparently got stuck and wore the pads completely down. Actually scratched the disk.

Since I wanted to renovate or replace the left disk I pulled off the hub. It stuck a bit but finally pulled off by hand. So I decided to take the right disk off too. Not in bad shape, but do both sides at the same time, right…

Well, the right hub did not want to come off. I could pull it a little bit, enough so the bearings were loose, but no further. So I tried a puller, but it only pushed the axle back in, the hub did not come out. Hadn't seen that coming.
I then removed the screws from the disk so I could turn it enough to where there was solid metal behind the wheel lug threads and used the wheel bolts to push against the disk. That started pulling the hub out and after a few tries with a wrench between the bolts and disk, it finally came off. Of course, now I will have the same problem getting it back on after I service the disk and calipers.
Any ideas why it could be stuck like that? No, there is no rust.

I may try putting the hub in the freezer over night to shrink it a bit. Perhaps it will slide in then, or at least enough to where the wheel nut can pull it back the rest of the way. We shall see.