part needed for BetterBilt sliding windows

A quick learner from USA says:
Customer Care:

I need to replace several of these plastic roller brackets from BetterBilt sliding windows in my house built 1994. See attached photos of my roller units, also the lock mechanism as a reference. The windows themselves are in fine condition but the plastic roller brackets are cracking from age.

Found no stickers on the windows, but the sliding doors are identified as
User submitted photos of a window roller.
Profile picture of Paul
Paul from SWISCO responded:
Would you be able to use our 87-181 roller? Carefully look it over and tell me what you think.
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