The Nachi 7008ACYUGLP4 is a high-precision single row angular contact ball bearing designed for demanding applications, particularly in machine tool spindles. It features a 40 mm bore diameter, 68 mm outer diameter, and 15 mm width. This bearing has a 25° contact angle (C) for high axial load capacity and rigidity, and a synthetic resin cage (Y) for high-speed performance. The 'U' indicates universal matching, allowing for arbitrary pairing, while 'GLP4' signifies a high-precision grade, ensuring excellent rotational accuracy and reliability.