Sliding glass door roller assembly from 1994

A handy person from New Mexico says:
What replacement is available for this. Where can I buy them? Thank you
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Tom from SWISCO responded:

Hello! Start by looking at our 81-165. This may be what you want, but I can't quite make out your dimensions. The height of the housing and diameter of the wheels are especially important.

We also have the 81-157 and 81-155, which are a similar style but different in size.

A handy person from New Mexico says:
Crap. Don't want to take door off again. Didn't think to measure height. The wheels are 1 1/8 inch in diameter and none of yours are. I've seen that size online. I guess I need to take it off again and use a dial caliper or maybe find a door repair shop locally. Thoughts?
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Tom from SWISCO responded:

I'm afraid that we don't have one with a 1-1/8" wheel, but you could adjust the roller to make up the difference. I've done it before in a pinch. 

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