This genuine Case-IH A21507 needle bearing is an OEM replacement designed for critical applications in agricultural and construction machinery. It features a precise inside diameter of 31.75 mm (1.250 inches), an outside diameter of 41.275 mm (1.625 inches), and a width of 25.4 mm (1.000 inch), ensuring optimal performance and durability. This robust bearing is compatible with a wide range of Case-IH equipment, including 7100, 7200, 8900, and MX series tractors, 1600, 2100, 2300, 2500 series combines, various cotton pickers, windrowers, and Case industrial equipment such as the 580L/M/SL/SM loader backhoes.