S7010 ACD/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
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S7010 ACD/P4ADGA Bearing Product Overview & Core Advantages
The S7010 ACD/P4ADGA is a super-precision double row angular contact ball bearing engineered for applications demanding the highest levels of accuracy and performance. Its P4A tolerance class ensures exceptional dimensional and running precision. A key advantage is its Universal Matchable (SU) design, allowing two bearings to be mounted in a universal arrangement to achieve optimal preload (Extra light / Class A) and rigidity without selective assembly. This bearing is capable of supporting combined radial and axial loads simultaneously, making it an ideal, compact solution for high-speed, high-rigidity spindles and other precision machinery.
S7010 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7010 | Basic bearing designation (70 Series, 50mm bore, 80mm OD). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Double Row construction for high rigidity and load capacity. |
| P4A | Indicates a super-precision tolerance class, superior to ABEC 7. |
| DG | Universal Matchable (SU) bearing pair. |
| A | Specific preload level: Extra light (Class A). |
S7010 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides superior radial and axial stiffness, enabling it to handle significant combined loads from multiple directions. With a dynamic load rating of 10,395 lbf and a static load rating of 10,462 lbf, it offers reliable performance under demanding conditions.
- Optimized High-Speed Performance: The phenolic resin cage is lightweight and robust, contributing to lower centrifugal forces and smoother operation at the high limiting speed of 41,000 rpm. The 25° contact angle is optimized for high-speed applications requiring axial load support.
- Precision & Stability: Manufactured to P4A tolerance class with tight bore, outside diameter, and width tolerances, this bearing ensures minimal runout and vibration for exceptional rotational accuracy.
- Sealed & Pre-Lubricated: The sealed design with grease lubrication protects against contamination and provides long-term, maintenance-free operation within a temperature range of -30°C to 110°C.
S7010 ACD/P4ADGA Bearing Typical Application Areas
The S7010 ACD/P4ADGA is ideally suited for high-performance applications where precision, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and milling heads.
- Precision Instrumentation: High-accuracy measuring devices and rotary tables.
- High-Frequency Motors & Spindles: Motors for PCB drilling and other high-RPM applications.
- Robotics: Precision joints and arm linkages requiring high stiffness and accuracy.
