roller assembly

A home owner from USA says:
This is a picture of my old roller assembly. The concave roller size is 1
User submitted a photo of a patio door roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
This Thanks for posting. The 81-011 is not as tall as yours, but it does appear to be our closest replacement. It could possibly work, though I cannot guarantee it.
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