Buy with confidence. Our bearings are Engineered to provide Maximum Performance for the Most Demanding Applications. Each Precision Machined Bearing is made using the Highest Quality Steel to Provide Superior Accuracy and Reduced Friction. C3 Bearing Tolerance Upgrade & High Temperature Specialty Grease Greatly Reduce Friction under stressful working conditions. Less Friction means Longer Bearing Life, and more importantly, Less Downtime. Better Quality, Longer Life, Less Downtime.