The INA-FAG B71918C2RSDTP4SUM is a high-precision FAG spindle bearing designed for demanding applications. This angular contact ball bearing features a 15° contact angle (C) for high speed and rigidity. It is sealed on both sides (2RSD) to protect against contaminants, ensuring extended service life. The bearing incorporates a textile laminate cage (T) and is manufactured to P4S tolerance class, indicating very high precision. The UM designation signifies a universal arrangement for paired mounting with a light preload, making it suitable for various machine tool applications requiring high accuracy and performance.