Sliding window rollers

A home owner from Pueblo Co says:

I don't know the manufacturer of the numbers on the hardware. Windows are 20 year plus old. 

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Casey from SWISCO responded:


I don't recognize this roller at first glance but I'm going to have one of our senior experts take a look and see if they could recommend a replacement for you. We'll reach out as soon as more information is available. Thank you!

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Paul from SWISCO responded:


Unfortunately, I was unable to locate your window roller assembly. I did find a possible substitute, which would be our 87-012 that might work for you. 

It pushes into the window sash channel and the width is 7/16". The locking teeth come out 9/16" and with pliers, you can bend them wider. The complete height with the wheel is 3/8". Please look it over and see if you think that this part could work for your repair. Thanks for posting. 

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