The HFH B7205ETP4SUL is a high-precision single row angular contact ball bearing designed for demanding high-speed spindle applications. Featuring a 25mm bore, 52mm outer diameter, and 15mm width, this bearing boasts a P4S (ABEC-7) precision class for exceptional accuracy and performance. It incorporates an optimized internal design (E) and a phenolic resin cage (T) for reliable operation. The UL designation indicates a universal arrangement with light preload, suitable for paired mounting to achieve desired rigidity and precision in machine tool spindles and other critical rotating equipment.