RBC KP4A-FS464/ KP4AFS464 Airframe Control Ball Bearing, 0.2500″ ID, 0.7500″ OD
The steel build makes these ball and roller bearings feel trustworthy, and you can sense the quality during use.
(02) RBC KP4A-FS464/ KP4AFS464 Airframe C. Ball Bearing, 0.2500″ ID, 0.7500″ OD
With a steel build, the ball and roller bearings feel sturdy, and the motion stays consistent under load.