The INA-FAG B71920-E-T-P4S-DBL is a high-precision FAG spindle bearing designed for machine tool applications requiring extreme accuracy and rigidity. This angular contact ball bearing features a 100 mm bore, 150 mm outer diameter, and 24 mm width. It is part of the 719 series, known for its compact design and high speed capabilities. The 'E' suffix indicates an optimized internal design, 'T' signifies a cage made of textile laminate (phenolic resin), and 'P4S' denotes a super-precision tolerance class. The 'DBL' arrangement indicates a matched pair of bearings in a back-to-back configuration, providing high axial and radial stiffness. This genuine FAG bearing ensures reliable performance in critical machinery.