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7206AC Angular Contact Ball Bearing | High-Speed Machine Tool Spindle Industrial Bearing

Angular Contact Ball Bearing
January 29, 2026
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Brief: Join us for a close-up look at the 7206AC Angular Contact Ball Bearing and see it in action. This video provides a detailed walkthrough of its high-speed performance in machine tool spindles, showcasing its super-precision engineering, optimized contact angle, and robust construction for demanding industrial applications.
Related Product Features:
  • Engineered with a 15° contact angle (CD designation) for optimal handling of radial and moderate axial loads in one direction.
  • Features the HCP4A ultra-precision grade for minimal runout and tight dimensional tolerances in high-speed operations.
  • Constructed from high-quality bearing steel (GCr15) for durability and long service life in rigorous environments.
  • Raceways and balls are precision-ground and superfinished to reduce friction, vibration, and enable stable high-speed rotation.
  • Robust internal design enhances load distribution, improving performance in precision machinery like spindles and gearboxes.
  • Standard size of 30mm inner diameter, 62mm outer diameter, and 16mm width for compatibility in various applications.
  • Suitable for machine tool spindles, high-speed motors, robotics, aerospace components, and other precision transmission systems.
  • Interchangeable with cross-brand equivalents from SKF, NSK, and Timken for consistent performance and easy sourcing.
FAQs:
  • What is the contact angle of the 7206CD/HCP4A bearing and what does it mean for performance?
    The 7206CD/HCP4A has a 15° contact angle, designated by 'CD'. This angle optimizes the bearing for carrying radial loads along with moderate axial loads in a single direction, making it ideal for high-speed applications where precise load management is critical.
  • In which applications is the 7206CD/HCP4A angular contact ball bearing commonly used?
    This bearing is designed for ultra-precision, high-speed scenarios such as machine tool spindles, high-speed motors, precision gearboxes, robotics, and aerospace components. It is also used in steel mills, papermaking, reducers, and other machinery requiring stable load-bearing performance at high rotational speeds.
  • What does the HCP4A precision grade indicate, and why is it important?
    The HCP4A precision grade signifies ultra-low runout and tight dimensional tolerances. This ensures minimal vibration and friction, allowing for stable operation at extreme speeds, which is essential for maintaining accuracy in high-precision transmission systems and machinery.
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