Sliding window wheels

A home owner from Fall river says:
November 14, 2018
Wheels had no numbers just said product of delmar . There from sliding windows made around 1972 we have 300 windows in the building .
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Tom from SWISCO responded:
November 20, 2018

Take a look at our 87-175 roller. This looks similar in design to yours, but see what you think.
A home owner from Fall river says:
November 30, 2018
Negative it's not even remotely close.
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Dave Sr. from SWISCO responded:
December 1, 2018

I agree with Tom; in terms of style, our 87-175 looks very close. Can you go into more detail on why it won't work? Is it a matter of dimensions? If so, can you tell me what yours are? You can see detailed dimensions on the 87-175 store page and use them for reference. 

If it's not a matter of size, please go into more detail so that we can find a better match.
Acorn Roller Assembly, 7/8" Flat Wheel
Acorn Roller Assembly, 7/8" Flat Wheel
87-174
$12.58
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