1987 Designer Series Patio Door rollers

A home owner from Chester, MD says:
Hello,
I have a house built in 1987 that has a "between the pane" blind Pella patio door. Pella said it was a Designer Series. Which set of roller do I need as the old ones are worn out?
Thanks,
Jack
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Paul from SWISCO responded:
I would start by looking at our 81-244, but I highly recommend that you remove the old rollers and compare them to our specs before you make a decision.
A home owner from Chester, MD says:
Thanks. I was able to get the door off and the rollers DO NOT have the flange depicted in the 81-244 pictures. Which would be the correct choice without flanges? IK would like to get them on order. Thank you!
Jack
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Tom from SWISCO responded:
Well, our 81-098 is a Pella sliding glass door roller without flanges. Could that be a match? If you aren't sure, take a few pictures of the roller and upload it here for us to see.
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