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NJ306E-M1-C3 Vs 6203 - C3

Norton Models (not Commando or P11)

Re: NJ306E-M1-C3 Vs 6203 - C3

Postby Possum » Sun Jan 22, 2017 11:28 pm

Typo!...maybe I shouldn't be looking for gearbox & engine parts at the same time.

Just got home from my bearing supplier with a FAG NJ306E-M1-C3 and a FAG 6306-C3 for $84AUD

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Re: NJ306E-M1-C3 Vs 6203 - C3

Postby robs ss » Mon Jan 23, 2017 5:00 am

Possum
You're absolutely right
The member that posted about having sleeve drawings from ben Gradler was Possm, not Possum - my mistake
I did PM Possm but have not had a response
Thanks
Rob
1962 Norton ES2
1964 Norton 650SS
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Re: NJ306E-M1-C3 Vs 6203 - C3

Postby elefantrider » Sun Mar 19, 2017 12:13 am

dynodave wrote:Don't recognize the # 6203 17x40x12mm as any bearing I would use on a NHT crank
I'd be looking for 6306 or some variant of 30x72x19mm

NJ306 brass cage C3 anywhere in the USA from a norton dealer is about $108 for 1 ea
I just bought some NTN brass cage C3 from the NY distributor for $59+ea delivered.


Hi, do you like the NTN bearings better than FAG? Now that FAG is made in India, I am having my doubts. What do you think about running two rollers in star of the high capacity SKF bearing on the timing side? This is for an atlas head motor. NTN is Japan, I think. Chris
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Re: NJ306E-M1-C3 Vs 6203 - C3

Postby dynodave » Sun Mar 19, 2017 7:57 am

elefantrider wrote:
dynodave wrote:Don't recognize the # 6203 17x40x12mm as any bearing I would use on a NHT crank
I'd be looking for 6306 or some variant of 30x72x19mm
NJ306 brass cage C3 anywhere in the USA from a norton dealer is about $108 for 1 ea
I just bought some NTN brass cage C3 from the NY distributor for $59+ea delivered.

Hi, do you like the NTN bearings better than FAG? Now that FAG is made in India, I am having my doubts. What do you think about running two rollers in star of the high capacity SKF bearing on the timing side? This is for an atlas head motor. NTN is Japan, I think. Chris


FAG makes stuff all around the world and has been for a long time.
FAG are $108, NTN are $59 Can't see or measure any difference in the product. I like NTN $49 better.

I do run two two rollers most of the time in NHT I build.
What does "atlas head motor" have to do with crankshafts & bearings :?:

NTN/Bower (USA) /BCA (USA)... yes is now Japanese owned.
https://www.ntnbower.com/
interesting bit of Ohio/Michign history:
https://www.ntnbower.com/About/history.shtml
free forum information is very often worth about 1/2 of what you paid for it.
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