ceramic bearing

[ronlock]

I also tried a ceramic in an OS 140 a while back - As I recall, it only went
about 30 runs before it got rough.
Ron Lockhart
----- Original Message ----- 
From: <mdarr00 at comcast.net>
To: <discussion at nsrca.org>
Sent: Tuesday, July 06, 2004 9:08 PM
Subject: Re: ceramic bearing


> Wayne,
>
> I have used that bearing in my OS 140.  The ceramic balls do not rust, but
> the nitro acts as an abrasive and wears the ceramic balls.  Once the balls
> start to wear, they develop an abrasive finish which in turn wears the
> bearing race, which will rust.  All of this together causes the bearing to
> wear faster than a stock bearing.  The best bearing in my opinion is the
one
> that the guys on the list have been talking about, which is the OS fi
> stainless bearing.
>
> I know the ceramic sounds like a good idea, that is why I tried it.
> Unfortunately it did not work out very good in our application.
>
> Mike Darr
>
>
> ----- Original Message ----- 
> From: "Wayne Galligan" <wgalligan at goodsonacura.com>
> To: <discussion at nsrca.org>
> Sent: Tuesday, July 06, 2004 6:56 PM
> Subject: ceramic bearing
>
>
> >       20x37x9 MR6904C-TH9/C3 -39 Ceramic Engine Bearing  $44.95
> >
> >
> > I found this bearing in Boca's list of model engines that would fit the
OS
> > 1.40.   Has anyone used or any experience with this bearing.  I would
> think
> > ceramic is impervious to rust and high temps.
> >
> > Wayne Galligan
> >
> >
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