Upper roller

A quick learner says:
The item on the right is a complete pic of the item I need to replace. The item on the left is the one that broke. The item is over 20 years old and was used in a shower door.
Thumbnail of the uploaded file named GIF_20210406_144048.gif
Profile picture of Bob
Bob from SWISCO responded:

I am wondering if this is part of a roller like our 23-017 Pair. Compare and see what you think. 

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