The INA-FAG B71910-E-T-P4S-DTL is a high-precision angular contact ball bearing designed for demanding spindle applications in machine tools. This FAG bearing features a 50mm bore, 80mm outer diameter, and 16mm width. It is specified with P4S tolerance, indicating very high precision, and includes ceramic balls (suffix T) for enhanced performance, speed, and rigidity. The 'DTL' configuration signifies a set of two bearings arranged in a tandem and back-to-back (DT) arrangement with light preload (L), optimized for high axial and radial loads. This genuine FAG spindle bearing ensures exceptional accuracy and reliability in critical industrial machinery.