Bottom roller for mirrored sliding glass door

A home owner from Pembroke Pines, FL says:
April 12, 2021
There is a Patent Pending number which I can only see the beginning and ending numbers of: DS???21

The part has the follow dimensions:
metal frame height: 3 9/16"
met frame width: approx 1 3/4"

wheel: approx 1 5/8"

height of entire unit (plastic and metal frame): approx 5"

Thanks for your help!

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Tom from SWISCO responded:
April 15, 2021

I'm not sure I recognize this roller, but the design is very similar to our 23-225. Look this part over to start out and see how well it compares to your original.
Mirror Wardrobe Door Roller, Concave
Mirror Wardrobe Door Roller, Concave
23-064
$10.97
Bottom Mount BB Roller Assembly
Bottom Mount BB Roller Assembly
23-225
$12.20
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