Sliding glass door rollers

A quick learner from Charleston, WV says:

Need help identifying this replacement parts. It looks like it is the following?:

PatioRoller Assembly, 1-1/2" Steel Ball Bearing

Product Code: 81-278

Thumbnail of the uploaded file named 68546643485__9E77F1F1-B2BC-4946-B14B-75E45C582B2D.
Thumbnail of the uploaded file named 68546644344__1DBD0061-9027-4763-B59A-1ADAD11666CA.
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Tom from SWISCO responded:

The 81-278 may indeed be what you need, but I cannot confirm based on these photos. At this stage the only thing that will confirm that is by comparing our dimensions to your own. 

We also sell the 81-004, which was my first thought when looking at your assembly. I'll also share dimensions for this part.

Alternate image for 81-278
Alternate image for 81-278

Dimensions for 81-004
Dimensions for 81-004

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