71907 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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71907 CE/HCP4A Bearing Product Overview & Core Advantages
The 71907 CE/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and high-speed performance. As a single bearing with preload capability, it delivers superior axial and radial rigidity, making it ideal for precise positioning systems. Its ceramic balls and P4 (ABEC-7) tolerance class ensure minimal vibration and extended service life under demanding conditions. This bearing is designed to handle combined loads efficiently, offering a compact and reliable solution for high-performance machinery.
71907 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71907 | Basic bearing designation, indicating a high-precision angular contact series with a 35mm bore. |
| CE | Signifies a 15° contact angle and specific internal design optimizations for high-speed operation. |
| HC | Indicates the use of Hybrid Ceramic balls (ceramic balls with steel rings). |
| P4A | Denotes a P4 (ABEC-7) tolerance class with specific accuracy and runout requirements. |
71907 CE/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The angular contact design and availability of preload enable the bearing to achieve high axial and radial stiffness, crucial for minimizing deflection under load.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage, low-density ceramic balls, and a 15° contact angle allows for a very high limiting speed of 65,000 rpm, reducing centrifugal forces and operational temperature.
- Extended Service Life & Reliability: Hybrid ceramic construction provides excellent resistance to wear and is less susceptible to electrical arcing. The P4 precision ensures smooth, quiet operation with minimal vibration.
- Optimized Load Capacity: Engineered to handle significant combined (radial and axial) loads simultaneously, making it suitable for complex loading scenarios.
71907 CE/HCP4A Bearing Typical Application Areas
The 71907 CE/HCP4A is ideally suited for high-performance applications where speed, precision, and reliability are paramount. Key industries and equipment include:
- High-Frequency Spindles for CNC machining centers and PCB drilling
- Precision Grinding Spindles
- High-Speed Motors and Servo Drives
- Aerospace & Defense instrumentation and control systems
- Medical Device components such as dental handpieces and surgical tools
