Help trying to replace sliding door roller assembly

A home owner from New Hampshire says:
Off-market door - cannot find any name or part numbers. No markings on the roller assembly that came out of the door. Thanks.
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Jasmine from SWISCO responded:

Thanks for posting! Your patio sliding door roller reminds me of our 81-158 steel, ball-bearing Dual Roller Assembly, with a 1-1/4" wheel diameter. 

Take a look over the dimensions and compare them to your existing roller to confirm that this is the right fit. I am confident this is the replacement you'll need.

Alternate image for 81-158
Alternate image for 81-158

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