Sliding Glass Door Rollers

A home owner from Capitan, NM says:
Searching for rollers for my sliding glass door which seems to have rollers of two types although the two types may be interchangeable. The manufacturer is PE DEL MAR. I have looked at their catalog and part number AD1 323-LS seems close, but I am not sure.

Photos attached. Please advise.

User submitted photos of patio door rollers.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting, Seth. I think this looks a lot like our 81-004, but it's hard to say. Carefully compare the dimensions we show to your own hardware and see how they compare.
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