Four Seasons door rollers

A quick learner from usa says:
My 2 sliding doors are hard to slide. I am attaching pictures. Four Seasons just sent me a set but they're not identical to old ones. Please see attached pictures.

Thank you!
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Bob from SWISCO responded:

This looks more like our 81-154 to me. Compare the dimensions, particularly the height and width of the assembly and the wheel diameter, and see if this matches what you need. 

A quick learner from usa says:
Thank you for your wonderful assistance! Have a great day!
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