1984 aluminum sliding glass door rollers

A home owner from Chicago area says:
Need 2 rollers. There are no markings or anything on the rollers but the glass has a Guardian stamp on it.
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Tom from SWISCO responded:

Hello! Thanks for posting. We sell a bunch of rollers that may replace this, though the best match will depend on size. I admittedly can't make out your exact dimensions from these photos, so I recommend carefully reviewing the measurements we show for each product to confirm the best match. See our 81-023, 81-278, and 81-279 to start out. We have others but I'm hoping one of these is a winner. If not, let me know and we can look at what else we have.

81-023 : Sliding Door Roller, 1-1/4
Sliding Door Roller, 1-1/4"dia. Steel Concave BB
81-023
$10.07
VIEW >
81-278 : Patio Roller Assembly, 1-1/2
Patio Roller Assembly, 1-1/2" Steel Ball Bearing
81-278
$6.71
VIEW >
81-279 : Patio Roller Assembly, 1-1/4
Patio Roller Assembly, 1-1/4" Steel Ball Bearing
81-279
$8.90
VIEW >
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