The HFH B7211CTP4SUL is a high-quality super precision angular contact ball bearing, specifically designed for spindle applications requiring extreme accuracy and high rotational speeds. Featuring a 55mm inner diameter, 100mm outer diameter, and 21mm width, this bearing has a 15° contact angle (C) for high axial and radial rigidity. It includes a phenolic resin cage (T) and boasts a P4S precision class, ensuring superior performance. The 'UL' designation indicates universal matching, allowing for flexible duplex mounting arrangements.