Looking for the wheels for these

A quick learner from Oregon says:
June 18, 2020
Hello,
I am looking for the wheels for these. Preferably, steel or brass. They are 3/8 O.D. wheels.

Thank you!
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Tom from SWISCO responded:
June 23, 2020

It looks like you need two different rollers. I couldn't find a replacement for the single wheel assembly, but the double assembly is a little easier. See our 87-194 or maybe our 87-188 for two possibilities. Carefully review the dimensions and pictures we show on each product's respective store page and let me know if either will work for you.
A quick learner from Oregon says:
June 23, 2020
Thank you! Looks like it is the 87-188. 3/8 inch OD wheels. Just ordered some.
Sliding Window Roller, Two 3/8" Nylon Wheels
Sliding Window Roller, Two 3/8" Nylon Wheels
87-188
$3.97
Sliding Window Roller, Two 1/2" Flat Wheels
Sliding Window Roller, Two 1/2" Flat Wheels
87-194
$3.70
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