Need Roller

A quick learner from USA says:
I need help identifying the rollors used in my sliding glass patio door, also can I buy the extruded aluminum pieces to a door frame? I think mine was made by imperial in the early sixties, my home is mid century modern by design. Please advise, Thank You.

These are them I have 4 sliding glass doors, if I could find aluminum casement bottoms for a different type of wheel I would do that also, the house is a mid century modern.
Thank You,
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Paul from SWISCO responded:

Hello, thank you for posting,

You have the older style patio roller used on International patio doors. Unfortunately the roller you show is no longer available. They suggest using the 81-139 as the replacement. Take a look at the 81-139 to see how the dimensions compare to see what you think! 

We do not carry any type of door framing. Let us know if you have any additional questions. 

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Alternate image for 81-139

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