Bearings
Inner and outer rings in stainless steel SUS440.
Dimensional accuracy ISO P6 (ABEC-3) grade.
G5 grade silicon nitride SI3N4 ceramic balls.
Nylon PA66 cage.
Low noise grease for synergistic motors.
Double-sided yellow sealing cap with excellent dust and dirt-proof performance
Note: Please use professional hub dismantling tools to install the bearings to avoid damage to the bearings.