40-50 year old wheel replacement

A quick learner from usa says:
Wheel schematic and picture are attached. They are from an 8 ft wide. Al patio door that is approximately 40-50 yrs old. The existing wheels have an Al frame and 1.5 inch diameter wheels. Need help finding replacement. Nearest i found is your part no 81-002 , but that has 1.25 inch diameter wheel, will that work or do you have a better idea?
Thanks for your help,
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Tom from SWISCO responded:

This looks closer to our 81-129 and 81-262 to me, but neither part matches your dimensions exactly. Look over the measurements shown for each product and see if you could use one of them as a replacement.

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