Replacement Bearings

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Eldert
Posts: 811
Joined: Sun Nov 01, 2009 3:23 pm
Location: Hazerswoude Rijndijk Netherlands

Re: Replacement Bearings

Postby Eldert » Wed Feb 16, 2011 1:05 pm

Bob , are you having a senior moment ?

a ceramic bearings is something entirely differend as a polyamide caged bearing .

as for how they hold up : Mick Doohan had ceramic mains in his Honda . i dont know if they where
full ceramic or Hybrid bearings

the cost is holding me off

Eldert

Bevel bob
Posts: 1099
Joined: Thu Apr 15, 2010 8:01 am
Location: Bromley Kent UK.

Re: Replacement Bearings

Postby Bevel bob » Sun Feb 20, 2011 9:27 am

Senior moment?? , It does happen, but not this time!.

tricolormonster
Posts: 27
Joined: Tue Jul 20, 2010 7:54 pm
Location: Los Angeles

Re: Replacement Bearings

Postby tricolormonster » Mon Feb 21, 2011 7:11 pm

Ok then. next question.

Who makes the best bearings (Non-ceramic) in "your" opinion. (by "your" I mean anyone with an opinion)

NSK? SKF? FAG? Some Others?

I'm about to start sourcing bearings so it's relevant info for my future purchasing needs.


stu

Bevel bob
Posts: 1099
Joined: Thu Apr 15, 2010 8:01 am
Location: Bromley Kent UK.

Re: Replacement Bearings

Postby Bevel bob » Mon Feb 21, 2011 9:13 pm

If you buy from a bearing specialist the discounts will allow you to get the best.

3564cam
Posts: 47
Joined: Wed Feb 23, 2011 9:56 pm
Location: Saint Albans England

Re: Replacement Bearings

Postby 3564cam » Sat Feb 26, 2011 9:39 pm

I have a personal experience of ceramic bearings.In the Porsche 996 engine there is an intermediate shaft that is chain driven off the crank.This shaft then drive the cams by a double row chain.The bearing that supports this shaft at the flywheel end fails prematurely.It has a steel cage.Porsche fitted a bearing with a metal seal so it was starved of oil.They then went to a plastic,maybe polyamide cage but this failed as well.There is a company in the US called L&N engieering that supply a repiar kit which has ceramic ball.We have fitted many of these to failed engines with no more issues.The down side though is cost but compared to a new engine which is over £10,000 it is a well spent upgrade.


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