Old door roller assembly

A quick learner from Orlando, FL says:
Can you please identify the roller assembly in the attached photo? I need to order a couple of these if you have them. thank you.
Thumbnail of the uploaded file named door roller.jpg
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Emily from SWISCO responded:

Hello there!

We don't have this exact roller but you can start by taking a look at our 81-062 . Review our dimensions and compare them with yours to see if this matches up for what you need.

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