Bifold door top guide roller

A home owner from Sitting in tennessee says:
July 31, 2019
Outside diameter of the roller is approximately 7/8".
Inside diameter of the center hole is 3/8" where the spring loaded pivot goes into the hole.
The height of the roller is 1 /4" .
The width of the track is 1" .
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Bob from SWISCO responded:
August 5, 2019

Thanks for writing in. Sorry, but our website failed to accept your pictures. Could you try uploading them again? Or if you want, you could email them to us instead at help@swisco.com. Be sure to include your discussion reference number, D146556, in your email so we know who to identify it with. Many thanks. 
A home owner from Sitting in tennessee says:
August 8, 2019
This is a pic of the guide roller I'm trying to locate. Thanks in advance for any help.
Thumbnail of the uploaded file named IMG_20190731_083312.jpg
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Bob from SWISCO responded:
August 8, 2019

Thanks! Take a look at our 21-174. This may be what you're looking for.
Roll Guide
Roll Guide
21-174
$1.20
Bi-fold Door Repairs
Bi-fold Door Repairs
GUIDE
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