Patio door rollers

A quick learner from California says:
I need 2 of these rollers.Thanks, Andy
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Bob from SWISCO responded:

I'm not entirely sure, but start with our 81-133. Compare all the dimensions and let me know how they differ in any way. 

A quick learner from California says:
If you look at my end on view photo the criticl areas are the two female tracks on the right side (opposite the roller). Those tracks slide onto the corresponding rails inside the door frame. It does not look like 81-133 will mount that way. Any other suggestions? Thanks for your help.
Andy
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Dave Sr. from SWISCO responded:

Maybe I can help! Your original roller is no longer available, but take a look a look at the 81-139. I believe this roller should work as a replacement. Review the dimensions and see what you think. 

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