7014 ACD/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7014 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7014 ACD/P4ADGB is a precision angular contact ball bearing designed for demanding applications requiring high rotational accuracy and rigidity. Engineered to a P4A tolerance class, it delivers exceptional dimensional stability and running accuracy. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, simplifying assembly and enabling optimal performance. This bearing is pre-lubricated and features a light preload (Class B), making it ideal for high-speed operation and applications where precise shaft positioning is critical under combined radial and axial loads.
Model Code Breakdown
- 7014: Basic series number, indicating a 70mm bore, 110mm OD, and 40mm width.
- A: Signifies a 25° contact angle, optimized for carrying significant axial loads.
- CD: Indicates a universal matchable (SU) bearing designed to be mounted in a duplex pair (back-to-back or face-to-face).
- P4A: Denotes a very high precision tolerance class, exceeding ABEC 7/ISO P4 standards, for superior running accuracy.
- DGB: Specifies a light preload (Class B) applied to the universal matched set.
7014 ACD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The angular contact design with a 25° contact angle enables the bearing to support substantial combined (radial and axial) loads. When mounted as a universal matched pair, the arrangement provides high system rigidity and precise shaft guidance.
High-Speed Performance: The lightweight phenolic resin cage ensures smooth operation and reduced centrifugal forces, contributing to the bearing's high limiting speed of 29,000 rpm. The standard lubrication is suitable for this high-speed range.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on bore, outside diameter, and width, this bearing guarantees minimal runout and vibration, which is essential for precision applications.
7014 ACD/P4ADGB Bearing Typical Application Areas
The 7014 ACD/P4ADGB is ideally suited for high-performance machinery where accuracy and speed are paramount. Key industries and equipment include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace Control Systems
