S7013 ACE/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7013 ACE/P4A Bearing Product Overview & Core Advantages
The S7013 ACE/P4A is a single-row angular contact ball bearing engineered for high-precision applications demanding exceptional rotational accuracy and rigidity. This metric bearing is distinguished by its P4 (ABEC-7) tolerance class, ensuring minimal runout and superior performance. Its design is optimized to support significant combined loads, effectively managing both radial forces and thrust loads in one direction. Pre-loaded from the factory, it delivers high stiffness and precise shaft positioning, making it an ideal choice for high-speed spindles and other machinery where reliability and precision are paramount.
S7013 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| S7013 | Basic bearing series and size designation. | Indicates a 65mm bore, 100mm OD, and 18mm width. |
| ACE | Internal design and contact angle specification. | Denotes a 25° contact angle and optimized internal geometry for high-speed operation and load capacity. |
| P4A | Tolerance class and operational clearance. | Signifies a P4 (ABEC-7) precision grade with specific preload for high rigidity and minimal vibration. |
S7013 ACE/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The single-row angular contact design, combined with a phenolic resin cage, provides excellent dimensional stability and low inertia, crucial for high-speed applications up to 17,000 rpm. The factory-applied preload eliminates internal clearance, resulting in superior shaft guidance and system stiffness.
High Load Capacity: With a 25° contact angle and high-grade chrome steel components, this bearing is engineered to handle substantial combined radial and axial loads (Dynamic: 4388 lbf, Static: 3285 lbf).
Sealed and Lubricated for Life: As a sealed bearing, it is protected from contamination and comes pre-lubricated, offering a maintenance-free solution within its specified temperature range of -30°C to 110°C.
S7013 ACE/P4A Bearing Typical Application Areas
The S7013 ACE/P4A is ideally suited for high-performance machinery requiring precision and speed, including:
- Machine Tool Spindles (e.g., CNC milling and grinding machines)
- High-Frequency Motors and Precision Gearboxes
- Robotic Arms and Precision Positioning Systems
- Medical and Dental Equipment spindles
