Patio glass door wheels

A quick learner from Middle River, MD says:
Hi Swisco,

See attached photos. I need to order a handful of these patio glass door wheels. I am having difficulty locating. Below are the specs:

ULTRA is stamped on the side.
1" wheel
1/2" housing width
Approx 1-1/16" or 1-1/8" housing width
1-3/4" length of outer housing
User submitted photos of patio door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Hello again! I believe the 81-086 might be a good match. It has a 1-1/8" wheel, but you should be able to adjust to make up for it. Let me know what you think.
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