2010 + Hub Bearings & Seals - MVAgusta.net
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post #1 of 22 (permalink) Old 12-08-2012, 11:24 AM Thread Starter
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2010 + Hub Bearings & Seals

Took the hub out of my 1090 today, its done 13,000 miles and it seems fine but thinking of replacing of the bearings and seals whilst its out.

Does anyone know the seal and bearing(s) size/designation?

thanks

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Last edited by billywhizzz; 12-08-2012 at 01:36 PM.
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post #2 of 22 (permalink) Old 12-09-2012, 09:02 AM
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Hey Shaun,

I have a 2010 Hub here. There are two needle roller bearings, one wheel side and one sprocket side. They are same size as the needle roller ( only one ) in pre 2010 Hub and aren't known to fail. size 5520

There is also a single row deep groove ball bearing size 810 on the wheel side of the 2010 hub.

If you want I can take my hub to Hayleys tomorrow who supply industrial bearings and ask them for a price for a FAG or SKF quality bearing for the 810..

Unless you have had some kind of failure in the hub I would check, clean and regrease the needle rollers. I can't imagine there would be any issue with them as even in the old style hubs they weren't known to fail.

he seal on the sprocket side is well protected and I would simply prise it out carefully and reuse it.

As for removing the bearings they can be drifted out after removing the Seager ring. I usually give my bearing installation work to Henry who has all the kit and kaboodle to do it and pay him a tenner ; ).

joe
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post #3 of 22 (permalink) Old 12-09-2012, 01:32 PM Thread Starter
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hello Joe, thanks for this, since posting read a few other threads and plenty by you on the subject and removed the thrust bearing today, de-greased and re-greased the needle rollers, all are good so will leave the bearings until next year. Shaun

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post #4 of 22 (permalink) Old 12-09-2012, 01:36 PM
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Top man Shaun..I'll let you know the price and availability of the 810 ball bearing when I get the info.

good work..How did you pull the bearing out ?

joe
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post #5 of 22 (permalink) Old 12-09-2012, 02:28 PM Thread Starter
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hello Joe, the thrust bearing isn't an interference fit, just a light tap and its out after removing the Seager ring, the needle rollers are however much tighter so decided not to try and remove them. Not sure if any of the 3 brg hubs have failed but if they have my guess is the thrust bearing is the weak point. Shaun

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post #6 of 22 (permalink) Old 12-09-2012, 06:07 PM
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Quote:
Originally Posted by billywhizzz View Post
hello Joe, the thrust bearing isn't an interference fit, just a light tap and its out after removing the Seager ring, the needle rollers are however much tighter so decided not to try and remove them. Not sure if any of the 3 brg hubs have failed but if they have my guess is the thrust bearing is the weak point. Shaun
Hi Shaun..There are a couple of reports of thrust bearings failing ..but to be honest who knows what happened to cause it. I suspect over tight chain and/or pinch bolts. In fact I bet 99.9 % of the time this is what causes failure in the pre 2010 hubs.

From everything I have read I can't see any issue whatsoever with your needle rollers..

atb

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post #7 of 22 (permalink) Old 12-10-2012, 02:52 PM Thread Starter
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For those who have asked these are the parts needed for the 2010 + hub

INA G55x63x5 Oil seal x3
HK5520 Drawn Cup Type Needle Roller Bearing With Two Open Ends 55x63x20mm x 2
SKF 618102RS1 Sealed Deep Groove Ball Bearing 50x65x7mm x 1

Typical designations as above.

Shaun

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post #8 of 22 (permalink) Old 12-10-2012, 03:24 PM
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Shaun,thanks for the info.I have recorded the part numbers for future reference.


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post #9 of 22 (permalink) Old 12-10-2012, 04:20 PM
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Quote:
Originally Posted by billywhizzz View Post
For those who have asked these are the parts needed for the 2010 + hub

INA G55x63x5 Oil seal x3
HK5520 Drawn Cup Type Needle Roller Bearing With Two Open Ends 55x63x20mm x 2
SKF 618102RS1 Sealed Deep Groove Ball Bearing 50x65x7mm x 1

Typical designations as above.

Shaun
Good one Shaun : )
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post #10 of 22 (permalink) Old 12-12-2012, 08:00 PM
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Wink bearings?

Quote:
Originally Posted by billywhizzz View Post
hello Joe, the thrust bearing isn't an interference fit, just a light tap and its out after removing the Seeger ring Shaun
sounds like the idiots at MV increased the clearance on the ball bearing housing.....nice way to 'fix' the problem

just remember folks.....
MV puts the seals in backwards

the writing on the seal goes AWAY from the bearing

the needle bearing basically never fail, i've sold 2 vs almost 200 3810-2RS bearings and that was because of seal failure

i'll find the 61810-2RS too, it will be in my sticky on the UK Forum

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