Acorn window roller part

A quick learner says:
April 17, 2015
Wondering if your pn 87-141 or 87-099 will work as a replacement for this part
User submitted photos of a window roller.
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Tom from SWISCO responded:
April 23, 2015
Thanks for your patience in this matter. We have found a possible match and are currently working on bringing it in. I will let you know as soon as it becomes available!
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Tom from SWISCO responded:
April 29, 2015
Thanks again for your patience. Our new 87-170 is now available for your consideration.
Window Roller BB Wheel, 9/16" dia.
Window Roller BB Wheel, 9/16" dia.
87-058
$1.82
Acorn Sliding Window Roller
Acorn Sliding Window Roller
87-170
$9.70
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