Hub bearings?

[bertrenolds5]

So I'm doing my front end and I now have everything off the car. I pulled the hubs with a slide hammer and I know the inner wheel bearing is on the knuckle but what bearing is on the outside right behind the hub? Should I also replace this bearing and if so where do I get it and what is it called? Also when I have a new bearing pressed in do they also press the hub back on at the same time? Just wondering because how do you get the rear wheel bearing/hub assembly back on? And on the rear hub there are 2 bearing right, inner/outer? Or is that just for AWD and I have to buy the entire hub assembly for the rear? If I sound stupid it's because I learn as I go and I have no one to teach me besides these forums so bear with me please.

1991 eagle talon tsi fwd

I was looking at bearings at orilley and national bearings are pretty cheap, anyone hear anything bad about them? $31 a piece compared to autozone at $44 for the fronts for timken.