Replacement rollers Pella aluminum clad sliding patio doors

A quick learner says:
Pella aluminum clad wood sliding patio doors. The house was built in 1985. The doors are the originally installed doors.

2 ¾" L x 1 ¾" H x ¾" w

Each ¾" measurement is actually 11/16". I suspect they report the size as ¾".
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Lauren from SWISCO responded:

Hello, thank you for posting,

Your roller resembles the 81-098 roller assembly. Please compare the dimensions to confirm a good fit! This is a genuine Pella part. We also carry the 81-249 roller assembly that is a generic version of this roller. Let us know if you have any additional questions!  

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