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| I am replacing the pull down chain on a drilling rig and am wanting to change to 100 roller chain. It currently has 544? on it. I cant find any data or dimensions on this type chain. Never heard of it for that matter. Would 100 chain be a heavier chain than the 544? As you can see I dont have much room to spare with the pull down drive chain on one side and the rotary table on the other. I will add that the 544 chain is a cotter type chain instead of riveted
 (chain.jpg)
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 chain.jpg (34KB - 48 downloads)
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the diff in 544 and 100 roller chain
