Ok, I couldn't find anything in the Manuel that shows the swing arm. So the first picture is the view from behind. note on the right that the shaft is bigger than the rest of it. It will fit into the swing arm and push up to the bearing. On the left the shaft is the same size all the way to the end, and pushes up to the bearing.
In this picture, between the chrome spacer and the swing arm, you can see the bearing. The chrome spacer is 5/8'' wide, plus I would say a .050 cone shape tit, that looks like the end of the bearing. And the side that touches the bearing, there is a cone shape inset, for the bearing to fit into.
In this picture, you can see the bearing between the swing arm and The frame.
In this picture, you can see how the shafts larger end fits into the swing arm.
You have my number, call me if you need to