7014 ACDGC/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7014 ACDGC/P4A Bearing Product Overview & Core Advantages
The 7014 ACDGC/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and superior rigidity. Positioned in the P4A tolerance class, it delivers exceptional dimensional accuracy and running precision. Its 25° contact angle is optimized to handle significant combined loads—simultaneously supporting substantial radial loads and unidirectional axial loads. The phenolic cage and universal matchable (SU) design enable high-speed operation and flexible mounting configurations in preloaded sets, making it ideal for machine tool spindles and other high-performance rotational systems.
7014 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| 7014 | Standard bearing designation: 70mm bore, 110mm OD, 20mm width | Defines critical bearing dimensions |
| AC | Angular Contact design | Optimized for combined radial and axial loads |
| DGC | Moderate preload (Class C) | Enhances system rigidity and reduces deflection |
| P4A | High precision tolerance class | Ensures exceptional running accuracy and dimensional stability |
7014 ACDGC/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional consistency and running accuracy for precision applications.
Optimized Load Capacity: The 25° contact angle and chrome steel construction provide a radial dynamic load rating of 10,980 lbf and radial static load rating of 9,900 lbf, enabling reliable performance under significant combined radial and axial loads.
High-Speed Capability: The phenolic cage and optimized internal geometry support limiting speeds up to 29,000 rpm, making this bearing suitable for high-speed spindle applications where thermal stability is critical.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be supplied in pre-arranged sets of three bearings with established preload, simplifying installation and ensuring optimal system rigidity and performance.
7014 ACDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and CNC lathes requiring exceptional running accuracy and rigidity
- High-Speed Motors: Electric motors and generators operating at elevated speeds with combined loading conditions
- Precision Instrumentation: Measuring equipment and optical systems demanding minimal runout and vibration
- Industrial Pumps & Compressors: Rotary equipment where reliable performance under axial and radial loads is essential
- Aerospace Systems: Actuators and control mechanisms requiring high precision and reliability in compact designs
