1. Product Overview The XC71900 Angular Contact Ball Bearing is designed for high-speed machine tool spindles, featuring hybrid ceramic balls, high rigidity and outstanding rotational accuracy.It is widely used in CNC spindle and precision equipment where high-speed running and low heat generation are required. 👉 Get a quote within 24 hours for your project 2. Key Advantages High speed capability for precision spindle working conditions Hybrid ceramic balls for low friction