71814 CDGA/P4
71800 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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71814 CDGA/P4 Bearing Product Overview & Core Advantages
The 71814 CDGA/P4 is a single-row angular contact ball bearing engineered for applications demanding high precision and superior running accuracy. Manufactured to P4 tolerance class, this bearing is designed to handle combined loads, offering excellent performance in high-speed scenarios with its 15° contact angle and phenolic resin cage. Its universal matchable (SU) design allows for flexible mounting arrangements, providing engineers with versatile solutions for precision spindle assemblies and other critical machinery.
71814 CDGA/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| 71814 | Basic bearing designation | Defines the core dimensions: 70mm bore, 90mm OD, 10mm width |
| C | 15° contact angle | Optimized for combined radial and axial loads |
| DG | Universal matchable bearing pair | Can be paired to handle axial loads in both directions |
| A | Extra light preload | Minimal internal clearance for high rigidity and precision |
| P4 | Tolerance class | High precision grade for applications requiring exceptional running accuracy |
71814 CDGA/P4 Bearing Structural Features & Performance Benefits
High-Precision Design: The P4 tolerance class ensures minimal dimensional variations, providing exceptional running accuracy and repeatable performance in precision applications.
Optimized Load Capacity: With a 15° contact angle and 31 high-quality chrome steel balls, this bearing effectively handles combined radial and axial loads, offering a dynamic load rating of 3105 lbf and static load rating of 3600 lbf.
Superior High-Speed Performance: The phenolic resin cage provides excellent strength-to-weight ratio, enabling operation at limiting speeds up to 28,000 rpm while maintaining dimensional stability.
Precision Matching Capability: As a universal matchable (SU) bearing, it can be paired with identical bearings to create pre-loaded sets, simplifying assembly while ensuring optimal performance in matched arrangements.
Enhanced Rigidity: The extra light preload (Class A) minimizes internal clearance, resulting in improved system stiffness and reduced vibration in high-precision applications.
71814 CDGA/P4 Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding spindles
- Precision Instrumentation: Measuring equipment and laboratory instruments requiring exceptional accuracy
- High-Speed Motors: Servo motors and spindle drives in industrial automation
- Medical Equipment: Dental handpieces and surgical tool drives
- Aerospace Components: Guidance systems and precision actuation mechanisms
- Robotics: Precision joints and high-accuracy positioning systems
