Identify roller Assembly for glass sliding door

A quick learner says:
Greetings ,

I wonder if u can identify this Assembly there is no stamp that i can see on the item? Perhaps is a standard type.

See if can help thanks
User submitted photos of patio door hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hello! Your patio door roller looks like our 81-156. Please compare our dimensions to yours to confirm that they match.
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