Sliding aluminium windows circa 1970 in Palm Desert, CA

A quick learner from Bend, OR says:
I have a friend who lives in Palm Desert, Ca and needs new rollers for several of his windows. Attached are pictures of the roller assemblies. I was able to get them all working kind of, but they co need replacement. I went through your catalogue and didn't see anything that matched.
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Tom from SWISCO responded:

Thanks for contacting us. The closest match we've been able to find is our 87-212. Could this possibly work for you? Look it over and tell me what you think.

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