axles for patio door rollers

A home owner from Independence, OR says:
May 24, 2011
I would like to replace the rollers on my 1989 patio door (white color, aluminum frame). No manufacturer's name is legible, just a date stamp. I did not see the dual roller assemblies on your web site, but the replacement 1 1/8 rollers (81-223) look like a good match for mine.

Which axles will work with this roller? Are they a simple press fit? Thanks.
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Mike from SWISCO responded:
May 24, 2011
Why don't we try to see if can figure out if your roller assembly is still available. It is always better to replace with whole roller assembly versus just the wheel. Can you post a couple pictures of your roller removed from the door?
A home owner from Independence, OR says:
May 25, 2011
Here is the picture. There is no hardware to secure the assembly inside the door. To remove the assembly I carefully tapped the long frame edges off of the door and slid the roller assembly out of a channel in the lower edge.

Wheel diameter measures 1 1/4 inches. I mentioned in the earlier post that it was 1 1/8, but that is wrong. Thanks
User submitted photo of patio door roller 1989
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Mike from SWISCO responded:
May 26, 2011
Thank you for posting and submitting your photos.

We believe we may have located a possible replacement roller. We will post an update as soon as the product is available and online for you to view.
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Donna from SWISCO responded:
June 27, 2011
Hello,
Please take a look at the newly added SWISCO product code 81-154, Tandem Roller Assembly.
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