Patio sliding door

A home owner from Vestal, NY says:
Dear Sirs:
I've attached 3 photos of the rollers on my patio glass sliding door for your review.
The wheels are 1 1/4" in diameter.

I'm looking to replace them with a new set as they have worn out.

After searching your site, I believe your part #81-030 looks very similar to the ones in the door.

Am I correct with this assumption? Can you help me determine if this is correct?

Thank you for your help.
User submitted photo of their door hardware.
Profile picture of Paul
Paul from SWISCO responded:
I agree, the 81-030 looks close, but that's about all I can say. The only way to know for sure is to go through each dimension we show for the 81-030 and confirm that it is a match for the same dimension on your own roller.
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