I'm focused on the ball bearing mount now. It's held by a bolt screwed into a t-nut, but the t-nut needs to slide back and forth in a slot so you can adjust the bearing location. Being able to slide, it will also spin as you try to tighten it. You don't want it to spin, so I found a little bolt from some electronics or something I had taken apart and drove it into one of the t-nut mounting holes.
This is the bearing bolted into place. I had filed down a couple washers a bit to go on either side of the bearing. This bearing can be adjusted forward or back to accommodate different blades.
Here's the whole lower blade guide assembly attached to the table support beam. (I haven't attached the trunion supports I made a few days ago, but they will go on the ends of this beam.) The wrench is there to weigh it down in place until I bolt the thing to the frame.
That's all for now. I'm caught up.