The NSK 7912A5TRSUMP3 is a genuine NSK high-precision angular contact ball bearing specifically engineered for demanding spindle applications. This precision bearing features a 60 mm bore, 85 mm outer diameter, and 13 mm width. It incorporates a 15-degree contact angle (A5) for superior rigidity and high-speed performance, making it ideal for machine tools and other critical machinery. Manufactured to P3 precision standards (MP3) and equipped with a synthetic resin cage (SU) and light preload (TR), it ensures optimal operational stability and extended service life.