Replacing a therm roller

A quick learner from USA says:
October 31, 2023
Please.see pictures (attached) A Therm patio door roller. I will need two of these. Please email me back with what to order.
Thanks

The housing had the typical screw that passed through a hole to connect to the roller. The door as I remember it had a slot on each side for the center point of the roller that protrudes outside of the encasement to slide in on each side.
This A Therm roller is at least 25-30 years old.
Hope this helps.

Took off the door again and captured as many pics of housing and roller. Hope this is sufficient to determine what roller will be needed.
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Casey from SWISCO responded:
November 1, 2023

Hello,

We'd be happy to help but it looks like you have only removed the inner housing of your roller so far. We would also need to see the outer housing removed from the door, as well as have you write out the exact height, width, and wheel diameter, to compare to our inventory. Thank you! 
A quick learner from USA says:
November 17, 2023
Hi

Wheel diameter 5/8.
Width 5/16
Height 1 1/8

Also this A Therm roller and inner housing was from a building constructed 1988.
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A quick learner from USA says:
November 17, 2023
More pic
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A quick learner from USA says:
November 17, 2023
Last set of pics
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Casey from SWISCO responded:
November 20, 2023

Thanks for getting back to us. Your photos resemble the 81-027 shown below but the dimensions differ from the ones you've provided. Take a look and compare the specifications to confirm if it is the correct match. 

Alternate image for 81-027
Alternate image for 81-027
Sliding Door Roller Assembly, 1-1/4" Concave BB Wheel
Sliding Door Roller Assembly, 1-1/4" Concave BB Wheel
81-027
$8.45
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