Wood fireplace gear

I have a two-sided wood fireplace with a broken cast iron gear. The person who could fix it indicates that the old gears he has on hand are too wide (about 1 1/2 inches in diameter). This is a slim gear (about 1 1/8 inches in diameter). The broken gear is 5.5 inches long and must be longer. The person who could fix it indicates that any gear with the same diameter will be the appropriate length (it needs at least an extra 1/2 inch). Does anyone know who might collect these and have them for sale? To reproduce it in steel will be at least $800, I am told.
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C Exner

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C Exner wrote:

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The "person who could fix it" can't??? I don't follow... :)
How is the present one broken? Depending on the type of break, a good welder could have at least a reasonable shot at repairing it if it is really something no longer obtainable.
I also don't understand how if it is the existing one it needs to be longer (and don't understand "longer" in a gear, either, for that matter). If you mean the hub isn't the right thickness then one has to either assume it isn't actually the right gear to start with or there is a missing bushing, perhaps. If the latter, wouldn't it be possible to make up the missing amount w/ a bushing, or is there something else missing in the place it's supposed to be? Or, I suppose the break could be around a set screw hole opening???
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