Suspension roller assembly for CertainTeed double hung window

A handy person from San Francisco, CA says:
CertainTeed BrynMawr II double hung window
left Carriage (roller) for lower window
User submitted photos of a coil window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! I think you should check out our 15-192 shoe, Series 170 spring, 15-156 housing, and 15-157 drums. Could this hardware work for you? Keep in mind that you only need to replace the parts that are damaged.
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