The XRAY 930250 Ceramic Axial Thrustbearing at 5x10x4mm is built to deliver smoother rotation and better durability in ball differentials. It features Si3N4 silicone nitride ceramic balls that are selected for high hardness and resilience.
Ceramic balls reduce rolling friction and damp vibration compared to steel, which helps the differential run cooler and respond more predictably. Their hardness contributes to longer service life under racing loads.
This part is ideal for racers and serious hobbyists who want consistent differential behaviour. It performs well whether you are dialling in handling for competition or aiming for repeatable lap times on mixed surfaces.
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