The INA-FAG b71913e2rsdtp4sum is a high-performance, ultra-precision angular contact ball bearing designed for demanding spindle applications. Featuring a 65 mm bore, 90 mm outer diameter, and 13 mm width, this FAG spindle bearing has a 25° contact angle (E) for high speed and rigidity. It is equipped with contact seals on both sides (2RSD) to protect against contaminants and retain lubricant, ensuring extended service life. The bearing utilizes a textile laminate cage (T) and is universally matchable (UM) for flexible paired mounting. Its P4S precision class (ISO 4) guarantees exceptional running accuracy and reliability in machine tool spindles and other high-precision rotating equipment.