1. Product Overview The XC71901 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