The NSK 7915A5TRSUMP3 is a high-precision angular contact ball bearing designed for demanding spindle applications. Featuring a 75mm bore, 105mm outer diameter, and 16mm width, this bearing offers a 15-degree contact angle (A5) for high speed and rigidity. It is universally matchable (SU) for flexible mounting in duplex or multiple arrangements, ensuring optimal performance in machine tool spindles and other precision rotating equipment. The bearing is equipped with a polyamide resin cage (TR) and manufactured to P3 precision class, providing excellent rotational accuracy and reliability.