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· Retired Moderator
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All I was able to find was this old thread: The brass insert may have cracked and half fallen out. If it's a drive pulley then I'm not sure why it had an insert and definitely not sure why it would be brass. How many belts depends on how much power. In Imperial measure, saws with about 2 hp or less usually use just one. Larger saws may have more than one. It's possible it may have used 2 belts if the pulleys are small compared to the torque put on them. The pulley on the saw arbor is as small as makers can get away with because the diameter of the pulley affects how high the blade will lift before that pulley hits the bottom of the table.
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