I did not see any numbers or markings on these roller assemblies.
I actually could not find any markings or model numbers on the sliding door itself either. But I do know it is made by Pella. I suspect it could be from around the early 1980's.
For some basic dimensions of the roller assembly:
The sheet metal base is approx. 1.68 inches tall and appro. 0.667 inches wide.
The metal roller has a diameter of 1.5 inches.
Thank you,
John
Emily from SWISCO responded:
October 19, 2022
Hello, John. Your roller appears to be a match for our 81-098. Look over our dimensions and compare them with yours to see what you think. Alternate image for 81-098
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