NSK 8578 8520B Double Row Tapered Roller Bearing is a double-row design from NSK built to handle combined radial and axial loads in rotating machinery. It measures a bore of 9.5 inches, an outer diameter of 12.875 inches, and a width of 2.0625 inches. This NSK bearing uses two rows of tapered rollers to distribute load across the bore and housing, offering stable alignment in demanding applications.
