OS 50 AXFXFSRSF Standard Bearings

Front Bearing: R6ZZ 3/8 X 7/8 X .281 Bearing
Rear Bearing: 6902M 15 X 28 X 7 Bearing with metallic retainer

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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