RBC KP4A-FS464/ KP4AFS464 Airframe Control Ball Bearing, 0.2500″ ID, 0.7500″ OD
These bearings have a steel build, which means they feel tough and keep things moving “I appreciate that the steel material makes the bearings feel dependable, even when you push them a bit.
(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.