7214 CDGC/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7214 CDGC/P4A Bearing Product Overview & Core Advantages
The 7214 CDGC/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 15° contact angle provides optimal performance for combined loads, efficiently handling both radial and significant axial loads in one direction. The phenolic cage and factory-applied lubrication enable reliable high-speed operation up to 28,000 rpm, making it ideal for precision spindles and machine tool applications where uncompromising performance is critical.
7214 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7214 | Basic bearing designation: 70mm bore, 125mm OD, 24mm width |
| CD | 15° contact angle design for optimized load distribution |
| GC | Moderate preload (Class C) for enhanced rigidity and reduced vibration |
| P4A | Super precision tolerance class ensuring exceptional running accuracy |
7214 CDGC/P4A Bearing Structural Features & Performance Benefits
High Rigidity & Precision: The bearing features chrome steel rings and balls with P4A tolerance class, providing exceptional dimensional stability and running accuracy. The moderate preload (Class C) significantly enhances system rigidity, minimizing deflection under load.
Optimized Load Capacity: With a 15° contact angle design, this angular contact bearing efficiently handles combined radial and axial loads. The bearing achieves dynamic load rating of 15,502 lbf and static load rating of 13,162 lbf, ensuring reliable performance in demanding applications.
High-Speed Performance: The phenolic resin cage provides excellent strength-to-weight ratio and smooth operation at high speeds. Combined with factory-applied lubrication, the bearing achieves a limiting speed of 28,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be mounted in various preload configurations (back-to-back, face-to-face, or tandem) to meet specific application requirements for stiffness and precision.
7214 CDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers requiring exceptional accuracy and rigidity
- Precision Instrumentation: Measuring equipment, optical instruments, and laboratory apparatus
- High-Speed Motors: Spindle motors and high-frequency applications demanding reliable high-speed operation
- Robotics & Automation: Precision robotic joints and automated manufacturing equipment
- Aerospace Components: Guidance systems, avionics, and other critical aerospace applications
