Can you help me find a part # for these rollers?

A quick learner from Methuen MA says:
Measurements are:

top housing 1 1/2"
height: 1 1/2"
there is a flare on the bottom of the housing which makes the thickness of the housing 1 1/16" thick
The steel wheel is 1 1/2"
There are two screws on the back side of the housing, the bottom screw is the adjusting screw, and the top screw is just a threaded hole to put the frame together. Any help would be greatly appreciated.
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Dave Sr. from SWISCO responded:

Hello,

You mentioned that the top hole is used to hold the frame together. However, I'm not sure what holds your roller housing in the bottom rail of the door. We'll need you to confirm how the part installs to determine if we carry a possible replacement. Thank you. 

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