Help finding Wheel assembly

A professional from Long Beach, CA says:
Attached is a file with two photos of a wheel assembly I am trying to find. It is in California from the 1960
User submitted photos of a roller.
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Dave Sr. from SWISCO responded:
This is a strange roller! Can you tell me what it's used for? If this installs on a patio glass door, see our 81-002. This may work for you, though I can't be sure. Let me know what you think.
A contractor from Southern California says:
It is a patio glass door. The 81-002 will not work. The assembly I sent photos of is 5 inches long with two attachment holes one on each end. I suppose the 81-002 could be retrofitted in some way by drilling a new attachment hole in the door.
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Tom from SWISCO responded:
Thank you for your patience in this matter. After extensive research, the only other part that may work as a replacement is our 81-262, though I am not sure if it will. Could this be a better match?
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