Circa 1954 Sliding Glass Door - Need Replacement Roller Parts

A home owner from Phoenix, AZ says:
January 8, 2019
The roller in the circa 1954 sliding glass door at my house in Phoenix, AZ needs to be replaced. Local repair companies do not have suppliers with the needed part(s). I am looking for parts please. Thank you.
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Bob from SWISCO responded:
January 8, 2019

Thanks for contacting SWISCO. I'm afraid it's very difficult to identify what rollers you need unless I can see the entire assembly removed from the door. Could you do this and provide pictures of the roller assembly? The height and thickness of the housing, as well as the diameter of the wheel, would also be very useful in identifying a replacement for you. If you need help on removing the rollers, check out the video below. Thanks!
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