The HFH B7218CTP4AUL is a genuine HFH high-precision angular contact ball bearing, specifically designed for demanding machine tool spindle applications. It features a 90 mm bore, 160 mm outer diameter, and 30 mm width. This bearing incorporates a 15° contact angle (C) and a durable phenolic resin cage (T) to ensure stable performance at high rotational speeds. Manufactured to P4A (ISO Class 4 / ABEC 7) precision standards, it provides exceptional accuracy and rigidity. The UL designation signifies universal matching with light preload, making it suitable for various high-precision industrial machinery.