Self adjusting top roller guide for bifold closet door

A home owner from Midland Mi says:
Pictured wheel measures 7/8" diameter. I need 3/4" diameter wheel for older door track. Do you have 3/4"????
Thanks
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Tom from SWISCO responded:

Thanks for posting. Am I right in assuming that the roller you show in your photo is not what you needed? If not, do you have the original on hand for me to see? The only roller we have that comes close is our 23-195, but this also has a 7/8" wheel and may even be the very same part you've shown me. Seeing what the door is supposed to have would be a huge help.

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