Replacement Tandem Roller

A home owner from Texas says:
Looking at your part #81-156 and it aligns to all my roller's measurements except for the diameter of the concave wheels. Mine measure 1 1/2" across the face of the wheel. They are also ball bearing axles.

Might you have a part for this wheel size. These are on Sears vinyl dual doors approximately 18-20 years old.
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Bob from SWISCO responded:

Thanks for posting. I am afraid the 81-156 only comes with 1-1/4" wheels. I believe a version with 1-1/2" diameter wheels was made at one time, but it was discontinued long ago. That said, you should be able to adjust the roller to make up a diameter difference of 1/4". Therefore the 81-156 remains your best bet for a replacement. Let me know if you have any questions.

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