The FAG B71930-C-T-P4S-UL is a high-precision spindle bearing, specifically an angular contact ball bearing, designed for demanding applications requiring exceptional running accuracy and rigidity. It features a 15° contact angle (C design) optimized for high speeds and accommodating axial loads in one direction. This bearing incorporates a robust textile laminate cage (T) and adheres to P4S tolerance, indicating superior dimensional and running accuracy. Its universal design (UL) allows for flexible paired mounting with a light preload, making it ideal for precision machine tool spindles and other high-performance industrial equipment.