The NTN HMK4031LL3AS is a high-quality drawn cup needle roller bearing, designed for applications requiring a compact, high-load capacity solution. This open-end bearing features a nominal bore diameter of 40 mm, an outer diameter of 47 mm, and a width of 31 mm. Manufactured by NTN, a trusted name in bearings, it ensures reliable performance and durability in demanding conditions. Ideal for use in agricultural machinery, industrial equipment, and other mechanical systems where precise rotational support is critical.