The FAG B71936-C-T-P4S-UM is a high-precision angular contact ball spindle bearing from the Schaeffler Group, designed for demanding applications requiring exceptional running accuracy and rigidity. It features a 180 mm bore, 280 mm outer diameter, and 46 mm width. Key specifications include a 15° contact angle (C), P4S tolerance class for improved running accuracy, and a textile laminate cage (T) guided by the outer ring. Its universal design (UM) allows for flexible paired mounting with a light preload, making it suitable for machine tool spindles and other precision rotating equipment.