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Boca Bearings RC Newsletter: Issue 10

Since I run nitro engines cars and trucks, I've always used standard rubber or metal shielded clutch bearings. Things have changed this spring when I have installed Boca ceramic clutch bearings in my nitro buggy. We frequently hear people saying that ceramic bearings are better than any other types of bearing and I was curious to evaluate how much better they were. I usually replace the standard clutch bearings at every gallon or so. When I replace them, they show sign of wear, often their shields are gone and they don't spin really well. That's the perfect situation to end your a-main earlier than expected!...more

Kit Used In Video
Caster ZX1.5R Bearings
#CBFC105C-ZZ

As RC drivers continue their quest for more speed and better performance, the clutch bell is a constant source of problems due to excessive heat buildup. The heat levels cause the steel balls to expand and subjects the retainer to a tremendous amount of abuse, as a result the bearings fail prematurely. For the expert driver looking for the best performance the ideal solution to the retainer issue is to do away with it altogether. Our full complement, ceramic hybrid bearing is the ultimate clutch bell bearing designed with the serious racer in mind. These Ceramic Hybrid bearings come with top of the line Silicon Nitride Ceramic Balls, which are several times harder...more

Q: : I am going through a lot of clutch bell bearings, what can you recommend to get longer life?

A: The clutch bell is a constant source of problems due to excessive heat buildup. The heat levels cause the steel balls to expand and subjects the retainer to a tremendous amount of stress, as a result the bearings fail prematurely. The best solution is to use a bearing with a ball that will not expand and to do away with the retainer altogether. We offer 4 different RC Car & Truck Clutch Bell Bearing Kits.
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