Searching for motise door rollers

A quick learner says:
Looking to purchase 4 rollers to fit in a mortised opening in my sliders. Photo attached.
Thumbnail of the uploaded file named webcam-3/26/2020, 12:24:06 PM.png
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Bob from SWISCO responded:

Thanks for posting. I'm afraid I am uncertain if we have anything that can replace this type of roller. The closest matches we have are our 23-218 or 81-246, but I by no means can make any guarantee either will work for you. Take a look and see what you think. I apologize we can't be of more help, and best of luck with your repairs.

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