Novak pair of 1/8 x 3/8 x 5/32" shielded steel ball bearings, Used in most 540 size motors and is also the replacement rear bearing for the Novak Ballistic, Velociti, SS Pro and HV motors. ABEC-3 rating for high efficiency. High performance steel balls.
Diassembly of motor to install bearing
Inner Diameter: 1/8"
Outer Diameter: 3/8"