Performance-engineered for race-car cornering and stability
The X-tracker features a double row angular contact ball bearing arrangement in which the outboard row has a larger diameter and contains more balls than the inboard row. This unique, asymmetrical design increases the bearing load carrying capacity and operational life, while significantly improving camber stiffness compared to traditional symmetrical hub units.
Improving camber stiffness allows the brake rotor to tilt less during vehicle cornering, which in turn reduces brake caliper piston knock back, allowing the driver to brake later, and reducing lap times on the track. The small inner ring is retained with orbital forming, which means the bearing will stay in preload under heavier loading, providing a longer service life.
Low friction X-trackerTo fulfill the demand for energy efficiency solutions, SKF also offers the low friction X-tracker which reduces CO2 emissions significantly compared to the conventional X-tracker wheel bearing unit.
This solution was developed specifically for upper and premium range of vehicles that have a strong requirement for reduced CO2 emissions, while demanding exceptional wheel end performance, cornering and stability.
These wheel bearing units are suitable for both newly developed vehicles as well as modifications to existing designs, expandable to any bearing geometry, and available for normal and heavy duty applications.