Help replacing these rollers

A quick learner from Hockessin DE says:
I need to replace two rollers. The rollers have a specific fit to slide into the aluminum framing. I have one roller that works and allows me to adjust the height, but the other screw on the other older is rusted frozen.

It says PATIORAMA on the door handle, and was likely installed in the late 60s.
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Dave Sr. from SWISCO responded:

Hello,

Take a look at our 81-125 patio roller to see if it matches up to your dimensions. I myself have used the 81-023 roller in some cases but you will need to drill and countersink a hole in the bottom door rail for the 33-103 mounting screw. Look at the 81-023 diagram on how to install it. 

My last suggestion would be to just replace the wheel with the 81-266 roller kit. Take a look at the suggestions from the web site, along with the related videos to see which option would work best for you. Thanks for posting!

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