Metal window roller replacement aama windows from 1981

A contractor from Plymouth mi says:
July 19, 2021
My current roller are plastic housing and metals wheels. They are 3/8 wide and 1/2 tall. What's proper ones to order
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Bob from SWISCO responded:
July 22, 2021

This reminds me of our 87-143 Window Roller. Look it over and see if the dimensions match what you need.
Sliding Window Roller
Sliding Window Roller
87-143
$3.97
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