SKF Wheel Bearing Kits are specifically designed with premium components based on SKF's many years of wheel end technology. All the components needed for the wheel hub replacement are included resulting in less down time and faster repairs. For more than 100 years, the world's engineers, technicians and mechanics have turned to SKF for the best possible solutions. Available for a wide range of applications and needs, SKF products are designed and manufactured to the highest quality standards, ensuring long life and safety.X-Tracker High Performance Hubs provide increased handling and braking even under the most demanding conditions. X-Tracker is constructed using a unique double row angular contact ball bearing arrangement. This unique design increases the bearing's capacity while improving hub stiffness 50 percent more than a original tapered bearing hub. For more than 100 years, the world's engineers, technicians and mechanics have turned to SKF for the best possible solutions. Available for a wide range of applications and needs, SKF products are designed and manufactured to the highest quality standards, ensuring long life and safety.