7014 CD/HCP4ADGG27GMM
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7014 CD/HCP4ADGG27GMM Bearing Product Overview & Core Advantages
The 7014 CD/HCP4ADGG27GMM is a high-precision, angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This universally matchable (SU) bearing is designed to accommodate combined loads (radial and axial) simultaneously and is supplied as a pre-loaded pair, delivering superior rigidity and rotational accuracy. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed performance and reduced operational friction. As an open-type bearing, it is optimized for use in centralized lubrication systems, making it ideal for high-performance spindles and other precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series and size designation (70mm Bore, 110mm OD, 40mm Width). |
| CD | Specifies a 15° contact angle and indicates the bearing is part of a universally matchable (SU) pair. |
| HC | Hybrid Ceramic: Denotes the use of ceramic balls for enhanced speed and reduced heat generation. |
| P4A | Indicates a high-precision tolerance class (superior to ABEC 7/ISO P4), ensuring minimal runout and vibration. |
| DGG | Identifies the phenolic (polyamide) cage design, which is lightweight and suitable for high-speed operation. |
| 27G | Specifies the internal geometry, including the ball size (12.7mm) and quantity (19). |
| GM | Indicates the bearing is grease lubricated from the factory. |
7014 CD/HCP4ADGG27GMM Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: Supplied as a pre-loaded, universally matchable pair, this bearing arrangement provides exceptional system rigidity, enabling precise control under combined radial and axial loads.
Superior High-Speed Performance: The combination of ceramic balls (lower density and reduced centrifugal force) and a lightweight phenolic cage allows for significantly higher limiting speeds (22,000 rpm) and lower operating temperatures compared to all-steel bearings.
Precision and Accuracy: Manufactured to a P4A tolerance class, this bearing guarantees minimal runout and vibration, which is critical for maintaining machining accuracy and surface finish in precision applications.
Optimized for System Lubrication: The open seal type design allows for efficient integration with external or centralized lubrication systems, ensuring optimal cooling and contamination flushing in high-performance environments.
7014 CD/HCP4ADGG27GMM Bearing Typical Application Areas
This high-performance bearing is ideally suited for applications where high speed, precision, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines.
- Precision Robotics: Arm joints and spindle drives requiring high accuracy and responsiveness.
- High-Frequency Motors and Spindles: Motors for PCB drilling and other high-RPM applications.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other critical navigation components.
