Tom from SWISCO responded:
September 14, 2022
We did sell this roller at one time, but it was discontinued many years ago. There is no verified alternative, but our 81-030 is one possible candidate. I cannot guarantee that it will work for you, but I can at least tell you that we don't have anything that would work better. Look it over and see if you think you could adapt this for use in your door. Alternate image for 81-030
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