S7014 ACE/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7014 ACE/P4ADGA Bearing Product Overview & Core Advantages
The S7014 ACE/P4ADGA is a precision angular contact ball bearing designed for exceptional performance in demanding applications. As a universal matchable (SU) bearing supplied in a pre-matched pair, it delivers outstanding high rigidity and can accommodate combined loads (radial and axial) simultaneously. Manufactured to P4A tolerance class with an extra light preload (Class A), it ensures smooth operation, high running accuracy, and is ideal for high-speed spindles and precision machinery requiring superior reliability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7014 | Basic bearing series and size designation (70mm Bore, 110mm OD, 40mm Width). |
| ACE | Designates a 25° contact angle and specific internal design optimized for high-speed operation. |
| P4A | Indicates a high-precision tolerance class (superior to ABEC 7), ensuring minimal runout and vibration. |
| DGA | Signifies the bearing is sealed and pre-lubricated with grease, offering protection from contamination and providing long-term, maintenance-free operation. |
S7014 ACE/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and universal matching (SU) of two bearings create a highly rigid system capable of handling significant combined radial and axial loads from both directions.
- High-Speed Performance: The phenolic resin cage is lightweight and robust, contributing to lower centrifugal forces and enabling a high limiting speed of 22,000 rpm. The optimized 25° contact angle further enhances speed capability.
- Precision & Accuracy: Manufactured to P4A tolerance class with a Class A preload, this bearing guarantees high running accuracy, reduced noise, and minimal thermal growth, which is critical for precision applications.
- Maintenance-Free Operation: The integral seals and factory-applied grease lubrication effectively shield the bearing from contaminants and retain lubricant, ensuring long service life without the need for re-lubrication within the specified temperature range of -30°C to 110°C.
S7014 ACE/P4ADGA Bearing Typical Application Areas
The S7014 ACE/P4ADGA is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key applications include:
- Machine Tool Spindles (CNC machining centers, grinding spindles)
- High-Frequency Motors and High-Speed Spindles
- Precision Robotics and Automation Equipment
- Medical Equipment (e.g., high-speed dental handpieces)
- Aerospace Actuation Systems and Instrumentation
