Can't find the roller.

A quick learner from Knoxville says:
Sliding doors maybe from 60-70s?.?.
Roller came off, I've bought several different ones over last few weeks, nothing fits. The roller looks to be ½ x ½ though can be sure without removing 1. Thanks for any help.
Thumbnail of the uploaded file named 20211024_145843~2.jpg
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Emily from SWISCO responded:

Hi there!

I don't recognize this roller at first glance but I'm going to have one of our senior experts take a look and see if they could recommend a replacement for you. We'll reach out as soon as more information is available. 

Thank you!

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Paul from SWISCO responded:

Closet door manufacturers don't make 1/2" rollers, I'm afraid. The closest we have is a 3/4" roller, like our 23-011 with a 1/4" offset and 23-012 with a 1/2" offset. You might also want to consider a new complete track kit like our 23-502

A quick learner from Knoxville says:
Thank you for the help.
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