Serpent's 10x15x4 NSK ball bearings are made to withstand regular RC use while delivering consistent rotational smoothness. They are a straightforward replacement part to keep your model running cleanly.
The 10x15x4 size works with many wheel and gearbox assemblies, reducing drag and heat build-up. Properly installed bearings help maintain speed and reduce load on motors and gear trains.
Fit bearings with the correct press fit and use a minimal amount of bearing grease or oil to avoid collecting grit. Inspect bearings often after off-road or dusty sessions and service as needed.
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