RC Model Clutch Bell Bearings 5x10x4mm

Standard quality Cutch Bearings that will fit most brands RC Models. These are ABEC-3 and will come in with  ZZ double metal shields, 2RS double rubber seals or 2RZ one side with metal shield, another side with rubber seals , 3 kind of type seals what makes the bearings can meet the different racers needs.

As RC drivers continue their quest for more speed and better performance, the clutch bell is a constant source of problems due to excessive heat buildup. The heat levels cause the steel balls to expand and subjects the retainer to a tremendous amount of abuse, as a result the bearings fail prematurely. 

Freerun develop new high grade ABEC-5 5x10x4 clutch bell ceramic bearings are made of AISI440C stainless steel races+Si3N4 ceramic balls, light oiled.

 Our ceramic lightning hybrid bearings come with top of the line Silicon Nitride Ceramic Balls, which are several times harder than steel and are virtually frictionless. Because Ceramic is impervious to heat there are no issues with the balls expanding as temperatures rise.