Patio Door Rollers -

A quick learner from Tucson, Arizona says:
February 27, 2022
Patio Door is 8' tall slider - about 25 years old. There are no markings on the roller assembly but it appears to be very similar to the 81-056 unit in your inventory. Dimensions on the image are approximations as I had to calculate from the platform the roller is laying on in picture. I didn't measure while I had the doors out of the door frame.

I will replace rollers on two patio doors, four rollers in total.
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Bob from SWISCO responded:
February 28, 2022

I agree the 81-056 looks very close. The width and height of the assembly, as well as the wheel diameter, are the most prevalent dimensions. So long as these match up for you, then these should work for you. 
Patio Sliding Glass Door Roller
Patio Sliding Glass Door Roller
81-056
$16.38
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