The NTN 7906UADG/GLP42 is a high-precision angular contact ball bearing specifically designed for demanding spindle applications. This genuine NTN bearing features a 30 mm bore diameter, a 47 mm outer diameter, and a 9 mm width. It is engineered with a 25° contact angle (U) for high axial and radial rigidity, suitable for machine tool spindles and other high-speed, high-precision rotating equipment. The 'ADG' suffix indicates a universal arrangement for duplex mounting, while 'GLP42' denotes a specific precision class and cage material, ensuring optimal performance and longevity in critical machinery.