Single roller less wide

A handy person from California says:

it is exactly like your 81-082 but only 3/4" wide. How do I find a narrower option?
Note the machine bolt that secures the side style to the bottom rail is 1/4" ? 20 and is 1 3/4" long.
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Bob from SWISCO responded:

Thanks for posting. I'm afraid that the 81-082 remains the best possible option; we don't have anything closer to what you need. Apologies that we cannot be of more help, and thanks for considering our products.

A contractor from California says:
thanks for your effort.
Do you have any idea who might have been the manufacturer of this roller?
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Bob from SWISCO responded:

I'm afraid not. If you look around the inside of your frame, see if you can find a metallic AAMA sticker. If so, show us a picture of it. Those stickers often have a clue as to who the manufacturer is.

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