71914 CE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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71914 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The 71914 CE/HCP4ADBA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) matched pair configuration provides superior stability and can accommodate combined radial and axial loads simultaneously. Manufactured to P4A tolerance class and featuring a ceramic ball and phenolic cage construction, this bearing is engineered for high-speed operation, reduced friction, and extended service life in precision machinery.
71914 CE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing series and size designation (70mm bore, 100mm OD, 32mm width) |
| CE | Contact angle of 15° |
| HC | Hybrid Ceramic construction (steel rings with ceramic balls) |
| P4A | High precision tolerance class with specific running accuracy requirements |
| DB | Duplex Back-to-Back mounting arrangement |
| A | Extra light preload classification |
71914 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls provides superior performance characteristics including reduced friction, higher limiting speed (24,000 rpm), and improved resistance to wear and heat generation.
Duplex Back-to-Back Configuration: This matched pair arrangement creates a rigid bearing system capable of withstanding combined loads from multiple directions, making it ideal for applications requiring high stiffness and positional accuracy.
Phenolic Cage Construction: The phenolic resin cage offers excellent strength-to-weight ratio, reduced centrifugal forces at high speeds, and compatibility with various lubrication methods, contributing to the bearing's exceptional high-speed performance.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on bore, outside diameter, and width, ensuring consistent performance and reliable operation in precision applications.
71914 CE/HCP4ADBA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and precision milling applications
- High-Speed Motors: Servo motors, spindle motors, and other precision electric drives
- Aerospace Components: Guidance systems, flight control mechanisms, and auxiliary power units
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Robotics and Automation: Precision robotic arms, CNC equipment, and automated manufacturing systems
