The HFH B71908CTP4AUL is a genuine HFH single row angular contact ball bearing engineered for high-speed and high-precision applications, commonly utilized as a spindle bearing. It features a 40mm inner diameter, 62mm outer diameter, and 12mm width. This bearing incorporates a 15-degree contact angle (C), a durable phenolic resin cage (T), and P4A precision class, signifying exceptional manufacturing accuracy. The UL designation indicates a universal arrangement with a light preload, making it suitable for mounting in sets. This bearing is ideal for demanding industrial machinery, including machine tool spindles.