links:
https://talk.newagtalk.com/forums/thread-view.asp?tid=382650&mid=3040278#M3040278
This next link, shows a homemade tool to "suck in" or "draw in" either wheel module hex bearings or wheel module pivot bushings:
https://talk.newagtalk.com/forums/thread-view.asp?tid=687910&mid=5840585#M5840585