71906 CE/HCP4A 30x47x9 mm Super Precision Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls
71906 CE/HCP4A 30×47×9 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 71906 CE/HCP4A bearing features a bore diameter of 30 mm, outside diameter of 47 mm, and width of 9 mm. With precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71906 CE/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions |
Inner Bore Diameter (d): 30 mm Inner Bore Diameter Tolerance: -0.005mm to 0 Outer Bore Diameter (D): 47 mm Outer Bore Diameter Tolerance: -0.006mm 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: P4A better than P4 (ABEC-7) Weight: 0.045 kg Matched Arrangement: No Universal Matching Bearing: No Preload: Not applicable |
| Load and Speed |
Dynamic Radial Load: 5590 N Static Radial Load: 3250 N Reference Speed For Grease: 49,000 rpm Limiting Speed For Oil: 75,000 rpm |
- Very tight tolerances suitable for precise machinery
- 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
The 71906 CE/HCP4A precision angular contact ball bearing is designed for high-speed, high-load, and precision operation scenarios. It finds extensive application across various fields including:
- Machine tools (lathes and CNC machines)
- Construction machinery (bulldozers and crushers)
- Conveying and processing equipment (ceramic material processing and glass edge grinding machines)
- Medical devices (dental drills and mass spectrometers)
- Testing instruments and automation equipment
- Food and packaging machinery
- Chemical and energy equipment
- Aerospace and marine special industry devices
- Laser devices and electrical equipment requiring high rotational speed and low vibration characteristics
| 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 |
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