7014 ACE/P4A
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 ACE/P4A Bearing Product Overview & Core Advantages
The 7014 ACE/P4A is a single-row angular contact ball bearing designed for applications requiring high precision and high-speed operation. Engineered to a P4 (ABEC-7) tolerance class, it delivers exceptional running accuracy. Its key advantage lies in its ability to support combined loads, efficiently carrying significant radial loads and axial loads in one direction simultaneously. The 25° contact angle and availability of preload contribute to high system rigidity and precise rotational characteristics, making it ideal for demanding, high-reliability machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Standard bearing series designation indicating the bearing dimensions: 70mm bore, 110mm OD, 20mm width. |
| ACE | Signifies a 25° contact angle and that the bearing is supplied lubricated. |
| P4A | Indicates a P4 (ABEC-7) tolerance class, denoting very high precision levels for running accuracy and dimensional stability. |
7014 ACE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and robust construction, featuring chrome steel rings and balls, enable high rigidity and excellent capacity for combined loads.
- High-Speed Performance: The lightweight phenolic resin cage minimizes centrifugal forces, contributing to a high limiting speed of 24,000 rpm. This makes it a true high-speed bearing.
- Precision Engineering: Manufactured to P4 tolerance, this bearing ensures minimal runout and vibration, which is critical for applications requiring smooth, precise rotation.
- Optimized Internal Geometry: With 25 balls of 9.525 mm diameter, the bearing is optimized for load distribution and smooth operation under high-speed conditions.
7014 ACE/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace & Defense Systems
