Help with roller

A quick learner from California says:
Hello, I was on the site and noticed there are a few similar looking rollers. Can I please get help with choosing the right one. I have attached photos.
I saw 23-041, 23-225, 23-199
The roller is convex, there is no groove in the roller, it sticks in the slide rail. Thank you for your help.
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Casey from SWISCO responded:


As long as the dimensions shown on our product page match your roller, I would recommend the 23-225 as a replacement. Thanks for posting! 

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