These bearings have been in the freezer for a few days.
Get the hubs ready for the oven.
Ten minutes at 350° F. That temp won't hurt the powdercoat.
Get the brass hammer and drift ready.
Find the spacers.
Grease them inside and out.
Pull the hubs out and put the bearing in place. I had to use a lot hammer on the bossed that were up in the oven compare to the down ones. I would think twenty minutes in the oven would have been better.
Get one side in and ...
then flip and drop the spacers in.
Install the other bearings. The brake side bearings only go flush with the surface. On the other side the bearing go deep enough to have room for a seal.