The Traxxas 5182A Ball Bearing, 20x27x4mm is designed for smooth, reliable rotation and reduced friction in your RC model’s drivetrain and moving parts. Made from high-quality steel, this bearing provides long-lasting durability, precise fit, and consistent performance under high-speed runs and rough terrain. Built to Traxxas factory specifications, it is compatible with models including the Traxxas X-Maxx and Traxxas Maxx, ensuring smooth operation, improved efficiency, and dependable performance for every driving session.