71911 CE/HCP4A 55*80*13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-speed E design, single row angular contact ball bearing

The 71911 CE/HCP4A bearing,bore diameter is 55 mm, outside diameter is 80 mm,width is 13 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

What's the Performance Features of 71911 CE/HCP4A Bearing?

The 71911 CE/HCP4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the ability to handle both radial and axial loads simultaneously, high-speed operation with stability, low torque and friction for energy efficiency, enhanced rigidity for accuracy under heavy loads, durability with extended service life, effective performance across a wide temperature range.

What's the Applications of the 71911 CE/HCP4A Bearing?

The 71911 CE/HCP4A is a high-precision angular contact ball bearing. It is designed for applications that require high speed, accuracy, and reliability. Below are its main fields of use:

1. High-Precision Machine Tools & Machining Centers

• Motorized Spindles: Used in 5-axis machining centers and multitasking machines for high-speed cutting of hard materials like titanium and superalloys.
• Grinding Machines: Supports grinding wheels to achieve very smooth surfaces (surface roughness below Ra < 0.2 μm).

2. Aerospace & Defense

• Aircraft Engines: Used in fuel pumps and turbochargers that work at high speeds and temperatures.
• Flight Control Systems: Helps control aircraft movement with high reliability and resistance to shocks.

3. Industrial Robotics

• Collaborative Robots (Cobots): Provides support for robot joints with high precision (repeatability within ±0.01 mm).
• SCARA Robots: Used in fast-moving parts for pick-and-place tasks in manufacturing.

4. New Energy & Electric Vehicles

• Electric Motors (E-Drives): Supports high-speed motors in electric vehicles, especially 800V systems running over 20,000 rpm.
• Fuel Cell Compressors: Used in high-speed, high-temperature air compressors for hydrogen fuel cells.

5. Medical & Laboratory Equipment

• Centrifuges: Used in high-speed blood and DNA testing equipment (up to 30,000 rpm).
• CT/MRI Scanners: Helps rotate scanner parts smoothly and quietly, often with non-magnetic designs.

6. Semiconductor Manufacturing

• Lithography Equipment: Used in motion stages for making microchips with nanometer-level precision.
• Wafer Handling Robots: Ensures stable and clean operation in vacuum environments during chip production.

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