71914 CD/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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71914 CD/HCP4ADBA Bearing Product Overview & Core Advantages
The 71914 CD/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex back-to-back (DB) matched set delivers superior high rigidity and stability under combined loads. Manufactured to P4A tolerance class, it ensures ultra-precise rotational accuracy. The combination of a ceramic ball material and phenolic cage enables outstanding high-speed performance, making it ideal for high-precision, high-RPM machinery.
71914 CD/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
| 71914 | Basic bearing designation (70mm bore, 100mm OD, 32mm width) |
| CD | Duplex arrangement: Back-to-Back (DB) configuration |
| HC | Hybrid ceramic: Ceramic balls with steel rings |
| P4A | High precision tolerance class (equivalent to ABEC 7) |
| DB | Duplex Back-to-Back mounting |
| A | Extra light preload classification |
71914 CD/HCP4ADBA Bearing Structural Features & Performance Benefits
Back-to-Back Duplex Design: The DB arrangement creates a highly rigid bearing system that effectively resists moment loads and maintains shaft positioning accuracy under combined radial and axial loads.
Hybrid Ceramic Construction: Ceramic balls provide superior performance characteristics including reduced friction, higher speed capability, and extended service life compared to all-steel bearings.
Phenolic Cage: The phenolic resin cage offers excellent strength-to-weight ratio and operates effectively at high speeds while providing good lubrication retention.
P4A Precision Class: Manufactured to ultra-precision tolerances ensuring minimal runout and vibration for applications demanding the highest rotational accuracy.
15° Contact Angle: Optimized for applications requiring good axial load capacity while maintaining high-speed capability.
71914 CD/HCP4ADBA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers
- High-Speed Machining Centers: Applications requiring extreme rotational accuracy and stability
- Precision Instrumentation: Medical equipment, measuring devices, and optical systems
- Aerospace Components: Guidance systems, actuators, and auxiliary power units
- Semiconductor Manufacturing Equipment: Wafer handling robots and precision positioning stages
