Yes and yes.
The Haas outboard support just has a hole in the casting no bearing or bushing.
The plate for the Rotary Table is permanent on the machine table and the Rotary is switched on and off this plate. I did a thread showing this a while back;
http://www.cnczone.com/forums/showthread.php?t=22023
There are alignment screws and keyway so the Rotary goes back to with 0.001" of the same place each time. Also the Rotary is far enough away from the spindle centerline that it is not possible to crash it.