Need new rollers for my sliding windows (photos attached)

A home owner from Carlsbad, California says:
The attached photos and dimensions show the window rollers on the bottom of my sliding windows. The windows were installed in 1993.
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Emily from SWISCO responded:

Hi there!

Your roller reminds me of our 87-181. Look over our dimensions and compare them to your original hardware to see if this matches up for what you need. 

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