The HFH HSS7011CTP4SUL is a high-precision angular contact ball bearing designed for demanding high-speed spindle applications. This bearing features a 55 mm inner diameter, 80 mm outer diameter, and 13 mm width, providing robust performance. With a P4 precision class, it ensures excellent rotational accuracy and stability, crucial for machine tool spindles and other precision machinery. The 'CT' designation typically indicates a 15-degree contact angle, optimized for high speed and rigidity. 'SUL' often refers to a universal matching capability for duplex arrangements.