TECHNICAL > F.A.Q
Ceramic Bearings..................
Ghost-Geezer:
I had some in the last bike Dennis built for me.......it was, I recall, a GT35 with ceramics in the turbo itself.
What about wheels? Is there a noticable difference in friction loss with ceramic wheel bearings on a Busa?
2nd question: If ceramics are so "friction free", why can they not be used as rod-bearing surfaces, or can they only be used in spheres?
Ghost-Geezer:
Are there no techno guys around?
MJ Williams:
Call Big Dave at WW Bearing and he'll give you the straight poop.
Ghost-Geezer:
Thanks, pal. :)
Ghost-Geezer:
Well, I did find out some things about ceramic bearings:
1. They are 40% lighter than steel
2. They are 100 times rounder than steel - a perfect sphere
3. They last 5 times longer than a steel bearing - they are stronger
4. They provide a fraction of the resistance of a steel bearing.
5. They are great for turbo applications, can take the heat and do the job more efficiently.
6. They cost a bit more, but the long term benefits are worth it.
7. Professional cyclists swear by them and carbon fibre rims for their bikes.
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