Identifying replacement rollers for sliding glass door

A quick learner says:
I was wondering if your could identify the replacement rollers I will need from the attached label that is on the side of the door. The wheels are metal and on one side of the housing the #128 is stamped and on the other side the # 8 is stamped.The dimensions of my roller assembly are below:

Length 2 1/4"
Width 1 1/4"
Depth 1/2"
Diameter of wheel 1 1/4"
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Tom from SWISCO responded:

Hello! Your roller resembles our 81-032B, but our dimensions are still a little off compared to what you wrote down for me. We don't appear to have anything closer, though. I recommend looking over our dimensions and triple checking your own just to be sure.

Detail of 81-032B
Detail of 81-032B

Profile view of 81-032B
Profile view of 81-032B

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