🔧 Elevate Your Performance with Precision Engineering! Crowned raceways and rollers ensure even load distribution for seamless rotation. Designed to meet original equipment specifications for perfect fit. Crafted from premium-grade steel for outstanding longevity. Rigorous testing by National engineers guarantees quality you can trust. Engineered for consistent performance with matched cup and cone components. 2.5" Dimensions Premium Steel OE-Style Design The National A-4 Taper Bearing Set is a high-quality bearing solution designed for both domestic and import applications. Made from premium-grade steel, it features a compact design of 2.5 x 1 x 2.5 inches and weighs just 4.2 ounces. This set ensures consistent performance and durability, meeting OE specifications and undergoing rigorous testing for reliability.