The FAG B71906-E-2RSD-T-P4S-UM is a genuine FAG high-precision angular contact ball bearing, specifically designed for demanding spindle applications requiring exceptional accuracy and performance. This sealed bearing features a 30 mm inner diameter, 55 mm outer diameter, and 13 mm width. It is engineered with a 25° contact angle (E) for high axial and radial rigidity and includes 2RSD seals on both sides to protect against contaminants and ensure long service life. The bearing incorporates a textile laminate cage (T) and meets the P4S precision class, indicating superior running accuracy. The UM designation signifies a universal arrangement for medium preload, making it adaptable for various mounting configurations. This FAG spindle bearing ensures high rigidity, low friction, and excellent operational reliability in high-speed machinery.