Rollers for sliding door

A handy person from Bethesda, MD says:
The rollers for this old sliding door (about 1985) are still working, but not well. Tonight I removed them to take a photo, and then put them back in the door. They don't have a manufacturer name or part number. There is one set at each end of the bottom of the door.

I got a similar set of rollers from Home Depot, but they didn't fit. I need an exact match, or close to an exact match. If you don't have them, do you know of anyone who may have them?

User submitted photos of a patio door roller.
Profile picture of Paul
Paul from SWISCO responded:
Good morning, Ned. Take a look at our 81-033 roller assembly and see if this can work for you as a replacement.
A quick learner from Bethesda, MD says:
That's it! Thanks, Paul. I'm about to order one of them.
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