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Just got one from Harbor Freight, is half-inch, but it measures .530. My machined motor pulley is .500 and it does not want to stay in there no matter how tight I get it as it is very rigid.

These are made in eec. I guess they used to be made in the US or Italy. Am I missing something?

I'm putting it in a Delta X5 14-inch bandsaw. Interestingly the replacement part I found on the internet says 3/8" but the outside of the pulley is definitely 1/2" and the V belt that was in there measures at .470.

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Pat

I get my belts from either the hardware store (I'm lucky to have a real one) or the auto parts store.

The belt on my 90's Delta is nothing special or exotic.

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I'm not a luthier.
I'm just a guy who builds guitars in his basement.
It's better than playing golf.

"My machined motor pulley is .500 and it does not want to stay in there no matter how tight I get it as it is very rigid."

You may want to get a bigger pulley or smaller belt. Making belts too tight is hard on the bearings.

I tried one on a s-45 mini- max did not like the belt , got mine at Hf . U can get quality belts from wal mart online or local auto parts store.

Matthias Wandel posted something on his Woodgears site about this.
http://woodgears.ca/delta_saw/linkbelt.html

I would suspect your HF belt is not a real Accu Link, but a poorly made copy.

I put a link belt on my 14" Delta a little over four years ago and it worked fine from the get go. The belt I got is a 1/2" Fenner Power Twist belt which looks like the same design as the Accu link belt. The Power Twist belt is plenty flexible. Maybe that makes a difference in performance?

The other thing is that the widths of the pulleys on my Delta are wider if I understand your post correctly. They are 3/4" wide on the outside and the inside width of the groove is 1/2". Maybe that contributes to the problem?

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Once in a while you get shown the light in the strangest of places if you look at it right - Robert Hunter