Sliding glass door purchased about 30 yrs ago need new rollers

A quick learner from Antioch, caMelJo says:
July 17, 2019
Sliding glass door 8foot purchased about 30 yrs ago need new rollers.
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Bob from SWISCO responded:
July 24, 2019

Thanks for writing in. Can we see one of the rollers removed from the door? Specifically, we will need the height and thickness of the assembly, as well as the diameter of the wheel. From there, we should be able to narrow down what you need. For removal and replacement details, see the video below.
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