The HFH B71905ETP4SUL is a high-precision angular contact ball bearing specifically engineered for demanding spindle applications. With a 25mm bore, 47mm outer diameter, and 12mm width, this bearing delivers P4S precision for exceptional rotational accuracy and rigidity. It features an optimized internal design (E), a durable phenolic resin cage (T), and is universally arranged with a light preload (UL), making it ideal for high-speed operations in machine tools and other precision industrial machinery.