The NTN 4T-25578 is a high-quality genuine tapered roller bearing designed for robust performance in various industrial and machinery applications. This single-row tapered roller bearing features a bore diameter of 45.987 mm, an outer diameter of 82.550 mm, and an overall width of 23.812 mm. Its precise dimensions, including an inner ring width of 23.812 mm and an outer ring width of 17.462 mm, ensure reliable operation and durability. Engineered to accommodate combined radial and axial loads, the NTN 4T-25578 provides excellent support and stability in demanding environments.