The FAG B71918-E-T-P4S-DUL is a high-precision angular contact ball bearing designed for demanding spindle applications in machine tools. This genuine INA-FAG bearing features a 90 mm bore, 140 mm outer diameter, and 24 mm width. It is part of the 719 series, known for its high speed capability and rigidity. The 'E' suffix indicates an optimized internal design, 'T' signifies a textile laminate cage, 'P4S' denotes a higher precision class than P4, and 'DUL' indicates a universal arrangement for duplex mounting with a light preload. This bearing is crucial for maintaining accuracy and performance in high-speed rotating machinery.