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 Final drive bearng dimensions

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Wildhenry
Tanabuso
Tanabuso


Posts : 76
Join date : 2014-08-26
Age : 69

PostSubject: Final drive bearng dimensions   Wed Oct 08, 2014 10:17 am

Hi All,

It seems most likely the slight howl I'm getting when I close the throttle may be down to a worn final drive bearing.
Does anybody know the dimensions of the bearing?

Many thanks,
Wildhenry
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Pete Roper
GRiSO
GRiSO


Posts : 3773
Join date : 2013-05-29
Age : 59

PostSubject: Re: Final drive bearng dimensions   Wed Oct 08, 2014 2:06 pm

Yes, I'll get you the number today. You'll need a new seal as well as it is sacrificial to access the bearing. The BMW seal is about half the price of the Guzzi one.

I have both bearing and seal in stock if you can't find locally.

Pete
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Wildhenry
Tanabuso
Tanabuso


Posts : 76
Join date : 2014-08-26
Age : 69

PostSubject: Re: Final drive bearng dimensions   Wed Oct 08, 2014 2:30 pm

Hi Pete,
You are the man who seems to have the answers to my GRiSO problems.
A true GRiSO Guru!
I work for a bearings company here in the UK  (BRT) so I can get the best quality bearings SKF,Timken,NSK Koyo ect ..I can get them at a good price but without taking the bearings out I have no idea what size they are.
I would appreciate the dimensions or ref number if you have that info.

Many thanks,
Wildhenry.
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Pete Roper
GRiSO
GRiSO


Posts : 3773
Join date : 2013-05-29
Age : 59

PostSubject: Re: Final drive bearng dimensions   Wed Oct 08, 2014 3:35 pm

No worries. The Guzzi seal is only 8mm deep and can't be found easily aftermarket. It's also a Viton seal not a Nitrile one and I'd stick with Viton. The BMW seal is 9 or 10mm deep and sits a bit higher but it works fine. I'll grab the bearing number when I'm back at work. Make sure you get a 19 ball version I use FAG. You can get identical dimensioned and numbered bearings with only 17 balls. These are the ones that shatter their cages, messily!

Pete
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Pete Roper
GRiSO
GRiSO


Posts : 3773
Join date : 2013-05-29
Age : 59

PostSubject: Re: Final drive bearng dimensions   Wed Oct 08, 2014 4:29 pm

OK.

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BMW seal on left, Guzzi on right.

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Pete
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Wildhenry
Tanabuso
Tanabuso


Posts : 76
Join date : 2014-08-26
Age : 69

PostSubject: Re: Final drive bearng dimensions   Wed Oct 08, 2014 11:00 pm

Thanks Pete your a star!
I really appreciate your help.
Ta!
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