I hope this isn't too challenging for your experts. I've already put the door back in place and it's, as you can imagine, a pain to remove. I'm hoping to only do it one more time, when installing the replacement wheels.
Paul from SWISCO responded:
February 15, 2024
Many thanks for posting. We believe you are showing an old Acorn roller assembly, the 87-174. Please compare and let us know if this matches what you need.