rollers for single slide MI windows

A handy person from Jacksonville, FL says:
We are looking to replace many rollers that have worn down. wheel diam 1/2", roller assbly height 9/16", length of assembly just under 1 1/2". Can you supply these rollers? Is it possible to replace just the roller and not the whole assembly?
User submitted photos of a window roller.
Profile picture of Paul
Paul from SWISCO responded:
Hello. We don't have an exact match, but I think I have an easy modification that can work for you. MI took over Capitol Windows in the last century, so we believe that the 87-120 should work for you. It does have a flange on the end, but being nylon, it can be cut off. Please compare all the dimensions. Do you think this would work for you?
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