Sliding glass door wheels

A handy person from Cooper City says:
Didn't see any identifiable numbers. 1980's South Florida home in Pembrooke Pines.
User submitted photos of patio door rollers.
Profile picture of Paul
Paul from SWISCO responded:
I believe this is an old Air Control or Keller sliding door. We don't have an exact match for this part, but see our 81-006 and see if you can use this as a replacement.
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