The INA-FAG B71924-E-T-P4S-UL is a high-precision single-row angular contact ball bearing designed for demanding spindle applications in machine tools. This FAG bearing features a 120 mm bore diameter, 165 mm outer diameter, and 22 mm width. It is engineered for high speed, high rigidity, and excellent running accuracy, making it suitable for main spindles in grinding machines, milling machines, and machining centers. The 'E' indicates an optimized internal design, 'T' signifies a solid window cage made of textile laminate, 'P4S' denotes a higher precision class than P4, and 'UL' indicates universal arrangement for paired mounting.