The FAG B71928-E-T-P4S-UL is a high-quality super precision angular contact ball bearing designed for demanding spindle applications. This genuine FAG bearing, part of the Schaeffler Group, features an inner diameter of 140 mm, an outer diameter of 190 mm, and a width of 24 mm. It is engineered with a 25° contact angle (E design) and P4S precision class, ensuring exceptional rigidity, high-speed capability, and minimal runout. The bearing utilizes a durable textile laminate cage (T) and has a UL designation, indicating a universal design suitable for paired mounting with a light preload, making it ideal for various high-precision machine tool spindles and other critical rotating equipment.