Pella Sliding Door Inquiry

A quick learner from San Diego says:
Hello,

I am looking to replace the rollers on an old Pella sliding glass door. The 81-249 is the correct dimensions. Is there a replacement that has a "flange" at the bottom to support the roller. My doors are old and the bottom of the slider has some deterioration and isn't supporting the roller well from the inside bottom of the door and a flange should assist in keeping the roller in a correct position. Thank you.
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Emily from SWISCO responded:

Hi there!

We'd be happy to identify your roller but we'll need to see it removed from your door to compare to our inventory. 

Thank you! 

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