71811 CD/HCP4 Super Precision Single Row Angular Contact Ball Bearing 7811
71811 CD/HCP4 55*72*9 Super Precision High Capacity Single Row Angular Contact Ball Bearing Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball bearing
The 71811 CD/HCP4 bearing,bore diameter is 55 mm, outside diameter is 72 mm,width is 9 mm,featuring precise dimensions, high static load capacity, P4 precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71811 CD/HCP4 | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | Inner Bore Diameter (d) | 55 mm |
| Inner Bore Diameter Tolerance | -0.007mm to 0 | |
| Outer Bore Diameter (D) | 72 mm | |
| Outer Bore Diameter Tolerance | -0.007mm to 0 | |
| Width (B) | 9 mm | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | Contact Angle | 15° (25°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) | |
| Cage Material | Phenolic | |
| Number of Rows | 1 Single Row | |
| Seal Type | Open | |
| Temperature Range | -30°C to 150°C | |
| Lubrication | Grease or Oil | |
| Tolerance Class | P4 (ABEC-7) | |
| Weight | 0.073 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 10100N |
| Static Radial Load | 10800 N | |
| Reference Speed For Grease (r/min) | 22,000 rpm | |
| Limiting Speed For Oil(r/min) | 32,000 rpm | |
What's the Performance Features of 71811 CD/HCP4 Bearing?
The 71811 CD/HCP4 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 71811 CD/HCP4 Bearing?
The 71811 CD/HCP4 bearing, as a high-precision angular contact ball bearing, is engineered for applications demanding exceptional speed, accuracy, and rigidity. Below is an optimized and detailed breakdown of its key application areas:
1. Machine Tool Industry
- Spindles: Its P4-grade ultra-precision and superior rigidity make it ideal for CNC machines, lathes, milling machines, and grinders, ensuring machining accuracy even under high-speed rotation.
- Electric Spindles: Reduces friction and thermal expansion in high-speed electric spindles, enhancing processing efficiency and extending service life.
2. Aerospace
- Aeroengine Components: Used in turbines, gearboxes, and other critical systems to withstand combined axial and radial loads under extreme speeds and temperatures.
- Navigation Systems: Ensures stability and precision in gyroscopes and inertial navigation equipment, critical for aircraft and spacecraft operations.
3. Precision Instruments & Robotics
- Industrial Robots: Enhances motion accuracy, responsiveness, and reliability in robotic joints, rotary units, and end-effectors.
- Optical Devices: Supports low-vibration, high-stability operation in high-resolution cameras, laser engravers, and precision measurement instruments.
4. Medical Equipment
- Dental Drills & Surgical Tools: Maintains low noise, sterility, and smooth operation during high-speed procedures, ensuring patient comfort and safety.
- Imaging Systems: Critical for MRI/CT scanner rotors, minimizing image artifacts and ensuring diagnostic accuracy.
5. High-Speed Power Systems
- Turbochargers: Handles extreme rotational speeds and temperatures in automotive and industrial engines, improving efficiency and performance.
- Centrifuges & Compressors: Enables high-speed separation or compression processes in chemical, pharmaceutical, and energy industries, ensuring consistent output.
6. Semiconductor Manufacturing
- Lithography & Wafer Processing: Provides nanometer-level precision in cleanroom environments, essential for photolithography, wafer alignment, and etching processes.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
If you need more detailed information , feel free to ask!
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