Steel patio door rollers

A quick learner from Cool, CA. 95614 says:

Need 2 patio door rollers. No markings or identifying name or numbers.
See attached photo. Requesting ordering info necessary to order parts.
User submitted photos of a patio door roller.
Profile picture of Paul
Paul from SWISCO responded:
It's hard to say for sure what can work without dimensions. Look at the three rollers I've associated with this discussion and let me know if any could work. You will need to carefully compare our measurements to yours.
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