S71914 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S71914 ACB/P4A Bearing Product Overview & Core Advantages
The S71914 ACB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single-row bearing, it is engineered to accommodate high combined loads, primarily thrust loads in one direction, while also supporting significant radial loads. Its P4 (ABEC-7) tolerance class ensures superior running accuracy, making it ideal for high-speed spindles and precision machinery. The bearing comes pre-lubricated and is available with a preload, contributing to its high system rigidity and immediate operational readiness.
S71914 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S71914 | Denotes the bearing series and size. 'S' often indicates a high-precision series. |
| ACB | Signifies a specific internal design with a 25° contact angle, optimized for high thrust capacity and rigidity. |
| P4A | Indicates the tolerance class P4 (ABEC-7) and a specific preload designation ('A'), ensuring minimal runout and high rotational precision. |
S71914 ACB/P4A Bearing Structural Features & Performance Benefits
High Precision and Rigidity: Manufactured to P4 tolerance and available with preload, this bearing provides exceptional running accuracy and system stiffness, minimizing deflection under load.
Superior Load Capacity: The 25° contact angle and optimized internal geometry enable high thrust load capacity and excellent performance under combined radial and axial loads.
High-Speed Capability: The lightweight and durable phenolic resin cage ensures stable operation and reduced centrifugal forces, contributing to a high limiting speed of 16,000 rpm.
Ready-to-Use: The bearing is pre-lubricated, simplifying installation and providing immediate, reliable performance right out of the box.
S71914 ACB/P4A Bearing Typical Application Areas
The S71914 ACB/P4A is ideally suited for high-performance applications where precision and speed are critical. Key industries and equipment include:
- Machine Tool Spindles (e.g., CNC milling, grinding, and high-speed machining centers)
- Precision Robotics and Automation Systems
- High-Frequency Spindles for PCB drilling and routing
- Medical Equipment such as dental handpieces and surgical tools
- Aerospace Instrumentation and Guidance Systems
