The FAG B7218ETP4SUM is a high-precision single row angular contact ball bearing, specifically designed as a spindle bearing for demanding applications. It features a 90 mm bore diameter, 140 mm outer diameter, and 24 mm width. The 'E' suffix denotes a 25° contact angle, optimized for high speed and rigidity. With a P4S tolerance class, this bearing offers super precision performance. The 'T' indicates a phenolic resin cage, suitable for high-speed operation, and 'UM' signifies a universal design for paired mounting in any arrangement (O or X) without shims, ensuring optimal preload and rigidity. It has a basic dynamic load rating of 60 kN and a basic static load rating of 38 kN.