4x9x4 Ceramic Metal

The 4x9x4 Ceramic Metal (684ZZC) Halo series of bearings are a high quality steel/chrome bearing with metal shields and silicone nitride ceramic balls (Si3N4). These bearings have been tested and proven by many racers.

It is most commonly used in Scorpion brushless motors. Check your manual for the correct size for your motor if you are not certain.

Motors Used In

• Scorpions

• METRIC: 4mm (Inner) x 9mm (Outer) x 4mm (Width)
• STANDARD: 0.15748" (Inner) x 0.35433" (Outer) x 0.15748" (Width)