Hard to find roller

A quick learner from California says:
February 17, 2018
The doors were installed in 1977. There are 8 doors total in 2 units we own. All the rollers need replacing.
roller
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Tom from SWISCO responded:
February 22, 2018
Could we see some more photos? We'd like to see the back and the top of the roller. We'd also like to know some specific dimensions. Can you type those out for us?
A professional from CA says:
February 22, 2018
Without a clear view of the back end I can't say for sure, but it looks like 81-085.
Patio Roller Assembly, 1-1/2" Steel Ball Bearing
Patio Roller Assembly, 1-1/2" Steel Ball Bearing
81-270
$8.72
Roller Axle Repair Kit
Roller Axle Repair Kit
81-310
$4.92
1-1/4"dia Nylon Concave BB Wheel
1-1/4"dia Nylon Concave BB Wheel
81-228
$1.44
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