Please help me find these old window rollers

A quick learner from Colorado says:
July 19, 2013
Thanks for looking!
The bracket is 1.5 " long 7/16" tall and wide
The wheel is 1/2" dia with a 4/16 hole
The axle is 1/2" long and 3/16" dia

I found no labels,stickers or stamps on ant part of these windows

The complex was built in the early 80s


Jeff
User submitted photos of window rollers.
Profile picture of Casey
Casey from SWISCO responded:
August 7, 2013
Hey, Jeff. Thank you for your patience in this matter. We haven't been able to find an exact match for this roller, but check out our 87-106 and see if you think this could work as a substitute replacement.
A quick learner from Colorado says:
August 7, 2013
Thank you! dimensions are close so I ordered 2 to test
Sliding Window Roller, Concave Wheel
Sliding Window Roller, Concave Wheel
87-106
$6.51
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