Keller sliding window wheels.

A quick learner from Panama City Beach, FL says:
February 24, 2019
I'm trying to find the replacement wheels for keller aluminum sliding windows, circa 1978. The wheel is steel and is 9/16" diameter and 3/16" wide. The axle is 5/32" diameter and nylon. Also how are these removed and replaced.
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Casey from SWISCO responded:
February 25, 2019

Please take a look at our 87-193 flat steel roller. Do you think this could work for you? Review it and let us know what you think.
1/2" Flat Steel Roller with Axle Pin
1/2" Flat Steel Roller with Axle Pin
87-193
$1.47
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