Body size 2 5/8 w Height. 2 1/8 not counting Wheel just frame
Screw 1 5/16 from mounting Screw to adjusting screw.
1/8 inch from mounting screw To top of frame
Dave Sr. from SWISCO responded:
December 10, 2020
Checking with our suppliers it seems that your roller is no longer available. I would suggest trying the 81-266 roller axle kit. You could use this and reuse your old housing. See what you think.