Bipass sliding mirror doors

A handy person from Farmington, NM says:
Bi-pass sliding mirror doors.
This is off a motorhome, 2002 Fleetwood Bounder 39r.
The door was manufactured by Shower Enclosure America, Inc. (SEA).
SEA says the manufacturer of the mirror door roller assembly wnet out of business in 2004.
The width of the assembly is .5".
The roller has a concave surface to meet a ridge on the track.
Even if I could get 4 wheels, I could rivet it in place.
The wheel would have to be 1" diameter. with a .25" width.

Thank you.
Robert
Thumbnail of the uploaded file named 2020-07-31 12.29.46.jpg
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Tom from SWISCO responded:

Hello, Robert. Your roller looks similar to our 81-247. This may be what you want, but our dimensions are a little different compared to those given. Carefully review the measurements we show on the 81-247 store page and let me know how they compare.

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