4x10x4 Ceramic Metal

The Halo ceramic 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.

4x10x4 Halo bearing by Avid Racing Concepts is most commonly used in fishing reels and helicopters. Check your manual for the correct size for you vehicle if you are not certain.