SWISCO - The Replacement Hardware Authority

Sliding Window Parts specifications

A handy person from Colorado says:
Hello, I have a few questions.

(1) For the 87-102, what is the exact Height of the slider from the base of the wheel to the top of nylon cap? what is the steel wheel/roller's width? Is it 1/4"? finally, does it fit well in a 1/2" channel channel?

(2) For the 87-051, is the design intended to be squeezed at the center (wider belled out part) to force-fit into a 1/2"-internal width window base channel? what is the exact height of the slider from the base of the wheel to the top of nylon cap?
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Paul from SWISCO responded:
The 87-102 will fit tightly in a 1/2" channel but it has a 9/16" return to wrap over the window frame. The width of the metal roller is 1/4" and the total height is 17/32".

The 87-051 will fit in a 1/2" channel and there are two adjustable heights" 7/16" and 1/2".
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