The FAG B7208-E-T-P4S-DBL is a high-precision angular contact ball bearing designed for spindle applications requiring extreme accuracy and rigidity. This single-row bearing features a 40 mm bore, 80 mm outer diameter, and 18 mm width. It is manufactured to P4S tolerance class, indicating very high precision suitable for machine tool spindles. The 'E' designation signifies an optimized internal design for increased load capacity, and 'T' indicates a textile-reinforced phenolic resin cage, which offers good high-speed performance. The 'DBL' suffix indicates a matched pair of bearings arranged in a back-to-back configuration, providing high axial and radial stiffness.