Ensure your semi is Ready for the Road Ahead™ with enhanced support for thrust and radial loads, with the Timken 180.975 mm Outer Diameter Tapered Roller Bearing. With a conical raceway and outer ring, this replacement bearing is able to reduce friction and provide a wide range of motion. Fashioned with durable metal to ensure durability and long-lasting performance. FleetPride is your First Click in Heavy Duty®.