Sliding Window Rollers, No Manufacturer ID

A home owner from Seminole, FL says:
April 8, 2021
Looking for replacement rollers for sliding windows. No manufacture info available. Cut-out in bottom of window is 3/8"W x 1-3/8"L. Not sure of depth into bottom of window but old rollers are 1/2" deep including plastic housing and wheel. I don't know that it's the right replacement but your item #87-036 has the same general shape as the ones I want to replace. The wheels on mine are silver, aluminum or stainless? There are two wheels in per plastic housing. Thank you.
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Paul from SWISCO responded:
April 13, 2021

We agree that the 87-036 roller assembly seems to match your dimensions. The wheel is brass and it only uses one wheel per housing, because the two post positions are different heights. It's just a rudimentary form of height adjustment.

I just recommend getting an undamaged version of your roller just to be 100% sure that our dimensions all match up to yours.
A home owner from Seminole, FL says:
April 13, 2021
What 2-wheel roller do you recommend then?
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Paul from SWISCO responded:
April 13, 2021

We don't have one in this size. I don't think two wheels are entirely necessary in this case. If the dimensions for the 87-036 match then I think it is your best bet.
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