Glass sliding door wheel

A contractor from Bellaire Texas says:
I would like to know if you have a replacement wheel for this if you do I would be buying multiple wheels I work for a 50yr old apartment complex and sliding door wheels always go bad if you can please reply to my email and thanks
User submitted photos of a patio door roller.
Profile picture of Paul
Paul from SWISCO responded:
I think you should consider either our 81-016 or 81-017. Check them out and see what you think.
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