OS 40-55 AX,FX,FSR,SF Stainless Bearings with sealed front

Front Bearing: R6-2RS Sealed bearing
Rear Bearing: S6902 Stainless bearing

RCBearings OS two stroke rc engine bearings offer dependable, long lasting smoothness.  These have as good or better performance than what came standard in your engine at a fraction of the cost of OEM bearings!

NOTE:  These rc bearings are not appropriate for Heli engines. All heli engines .40ci and above should use a rear bearing with a high speed plastic retainer!  Beware of other sellers that try to pass off cheap standard bearings with metallic retainers for your expensive heli engine!

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