The FAG B7010-E-T-P4S-DTL is a high-precision angular contact ball bearing, specifically designed for demanding machine tool spindle applications. Manufactured by FAG (a brand of Schaeffler), this bearing features a 50 mm bore diameter, an 80 mm outer diameter, and a 16 mm width. It is a single row bearing with a 25° contact angle (E design) and a P4S precision class, indicating very high running accuracy and speed capability. The 'T' denotes a solid window cage made of textile laminate, and 'DTL' signifies a matched pair of bearings for tandem arrangement, light preload. This genuine FAG bearing ensures optimal performance and reliability in high-speed, high-rigidity applications.