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Grizzly band saw motor shaft size?

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Forum topic by CounselorX posted 02-23-2017 09:08 PM 351 views 0 times favorited 6 replies Add to Favorites Watch
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CounselorX

3 posts in 297 days


02-23-2017 09:08 PM

Topic tags/keywords: grizzly porter cable band saw bandsaw centrifugal switch

Hi everyone,

If someone could provide some of their knowledge then I would be very grateful. Grizzly wasn’t able to help, unfortunately, because their parts are in a warehouse and the agent wasn’t able to measure them.

I have a porter cable 14” band saw with a 1.5 HP motor that is missing the centrifugal switch, motor fan, and fan cover, because the Amish guy I bought it from took all that off in order to mount a pulley so he could run it with his tractor. Grizzly has all these parts available for order for their model band saw but they don’t list the shaft size that they fit.

If anyone out there has a Grizzly band saw, would you mind measuring the shaft size of the motor? My porter cable shaft size is 14mm. Thanks so much


6 replies so far

View WhyMe's profile

WhyMe

910 posts in 1401 days


#1 posted 02-24-2017 12:36 AM

I would have thought that the motor shaft on a porter cable motor to be in standard measurements and is 1/2”. But who am I to say?

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CounselorX

3 posts in 297 days


#2 posted 02-24-2017 02:58 AM



I would have thought that the motor shaft on a porter cable motor to be in standard measurements and is 1/2”. But who am I to say?

- WhyMe

It’s a Taiwan motor so it’s 14mm, but yeah, 1/2” is the closest standard measurement. I know that Grizzly also uses the Taiwan motors which is why I was hoping the shaft size is the same, since they sell these motor parts and Porter Cable doesn’t. I found the centrifugal switch from Grizzly listed as 1/2”, so I think I’ll order it and hope for the best. It’s only a few bucks anyway… but more importantly, I want my bandsaw to work. lol

View bigblockyeti's profile

bigblockyeti

4698 posts in 1560 days


#3 posted 02-24-2017 03:20 AM

It’s likely a 56 NEMA frame motor even if it doesn’t list anything on the nameplate but that will only identify the output shaft size. The back end of the motor from any Taiwanese or Chinese manufacturer could be a total crap shoot. I regularly see used motors for sale for less than $100 (sometimes < $50) that would be superior to what the saw came with new, just something to think about if the parts are pricey or you can’t find exactly what you need.

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CounselorX

3 posts in 297 days


#4 posted 02-24-2017 04:14 AM



It s likely a 56 NEMA frame motor even if it doesn t list anything on the nameplate but that will only identify the output shaft size. The back end of the motor from any Taiwanese or Chinese manufacturer could be a total crap shoot. I regularly see used motors for sale for less than $100 (sometimes < $50) that would be superior to what the saw came with new, just something to think about if the parts are pricey or you can t find exactly what you need.

- bigblockyeti

Thanks. I’ll take that into consideration for the future. I wish I was more of a tool guy. Luckily I was able to find out what a centrifugal switch is by googling every term I could think of. lol

View Chas7715's profile

Chas7715

35 posts in 726 days


#5 posted 02-24-2017 06:43 PM

I purchased this PC band saw (model PCB330BS) used and didn’t know at the time that the motor was shot (burned up start winding). The motor from PC was more than the band saw cost new!!. I searched all over but never found one. I finally looked at motors at Grizzly. I spec’ed one that looked likely but, as you know, the mounting method was totally different. I though I didn’t have anything to lose so I bought it and after it was delivered I took the end plate from the dead motor and swapped it to the new motor. Worked perfectly!! Shaft size was a perfect fit. The only thing that didn’t fit perfectly was the shaft key. The new motor keyway was just a hair bigger. I got a hold of some key material and ground one to fit. My broken band saw was back in business!!
If you’re interested I can provide the motor model number later when I get off of work.

-- Perfection is highly overrated!

View Carl10's profile

Carl10

69 posts in 296 days


#6 posted 02-24-2017 07:03 PM

Call Grizzly and ask tech support. I just did this for a dust collector motor and found out it was 24mm (not 7/8 or 1”). BTW you can get shaft adapters/sleeves just for this purpose (as long as the shaft is smaller than the pulley.

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