Upgrading bearings is a straightforward way to tidy up drivetrain feel. The Arrowmax AM-200155 3x8x3 flanged bearings (2) slot into common RC positions to improve rotation smoothness and support component longevity.
With a 3x8x3mm profile these bearings suit many small shafts and hub locations. The flange ensures a repeatable seating face, which helps when assembling transmission or wheel components.
The built-in flange prevents the bearing from nudging out of its seat under axial forces. That makes these bearings useful in areas that see end thrust as well as radial load, such as pinion supports and some wheel hubs.
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