Sliding glass door roller

A quick learner from Baton Rouge, Louisiana says:
I can't see any identifying markings on this old roller. I am hoping your experts can identify what replacement I will need from the attached images.
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Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

Hello!

Thank you for your patience during our busy season. Take a look at our 81-024 and 81-090 rollers. Carefully compare our dimensions to yours and see if either match what you need. 

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