71810 CD/HCP4DBC

• 71810: Basic bearing series and size designation (Bore: 50 mm, OD: 65 mm, Width: 14 mm).
• C: Denotes a 15° contact angle, optimized for high-speed applications and axial load capacity.
• D: Indicates the bearing is part of a duplex pair.
• HC: Signifies the use of Hybrid Ceramic balls (Silicon Nitride).
• P4: Represents a P4 tolerance class, indicating very high precision and running accuracy.
• DB: Specifies the Duplex Back-to-Back mounting arrangement, which provides high moment rigidity.
• C (in Preload context): Denotes a Moderate preload (Class C) for optimal stiffness and positioning accuracy.

High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid support system that effectively resists moment loads and tilting, making it capable of handling significant combined loads.

Superior High-Speed Performance: The combination of a lightweight phenolic resin cage and low-density ceramic (Silicon Nitride) balls reduces centrifugal forces, enabling a high limiting speed of 46,000 rpm. The hybrid construction also minimizes heat generation at high speeds.

Enhanced Durability and Longevity: Ceramic balls are harder, lighter, and more resistant to wear and corrosion than steel balls. They provide superior performance in demanding environments and contribute to a longer service life.

Precision Operation: Manufactured to P4 tolerance standards, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.

This high-performance bearing is ideally suited for advanced machinery and systems, including:

• Machine Tool Spindles
• High-Frequency Motors and Spindles
• Precision Grinding Equipment
• Aerospace and Defense Systems
• Robotic Drives and Actuators