Bypass door rollers

A contractor from hawaii says:
Doors from probably the 70's.
Would like to get more of the same so the rollers work in existing track, or different rollers that will work in the existing track
Thumbnail of the uploaded file named Roller Assembly
Thumbnail of the uploaded file named Wheels
Thumbnail of the uploaded file named Length
Thumbnail of the uploaded file named Diameter of Wheel
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Paul from SWISCO responded:

Hello, thank you for posting,

Unfortunately we no longer carry your original four wheel trolley. The best we carry is the 23-193 four wheel trolley with 7/8" wheels that might work, but we cannot guarantee. The depth between the wheels are 7/8". Take a look and compare to see what you think! Our return policy can also be viewed here

Let us know if you have any additional questions. 

A contractor from hawaii says:
Thank you for your help. I will review the dimensions.
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