Patio door roller assembly

A handy person from new jersey says:
Circa 1971 Mildor Patio Aluminum door. Single steel roller unit with 1-1/4" x 9/32 roller. 21/64" is width of bearing
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Mike from SWISCO responded:
Can you take a few pictures and upload them so we can take a look?
A handy person from NJ says:
71 Mildor Roller assmembly. I can still use the assembly but the wheels (2) are shot. See pic......
User submitted photo of patio door assembly.

1-1/4" Diameter Wheel
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Donna from SWISCO responded:
Please take a look at the newly added SWISCO product code 81-257, sliding patio glass door replacement roller.
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