7010 ACD/P4AQGC
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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7010 ACD/P4AQGC Bearing Product Overview & Core Advantages
The 7010 ACD/P4AQGC is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and rigidity. Its core advantage lies in its ability to simultaneously support substantial combined loads (radial and bidirectional axial loads) in a compact design. Manufactured to the stringent P4A tolerance class and featuring a universal matchable (SU) designation, this bearing is pre-lubricated and preloaded (Moderate / Class C), making it an ideal, ready-to-install solution for high-speed, high-rigidity spindles and precision machinery where superior rotational accuracy and operational reliability are paramount.
7010 ACD/P4AQGC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7010 | Standard bearing series number | Defines the basic dimensions: 50mm bore, 80mm OD, 64mm width. |
| ACD | Double Row Angular Contact, 25° Contact Angle | Core design for handling combined loads and providing high rigidity. |
| P4A | High-Precision Tolerance Class | Guarantees extremely tight running accuracy for superior performance. |
| QGC | Universal Matchable (SU), Moderate Preload (Class C), Lubricated | Indicates the bearing is part of a universally matchable set of 4, comes with a defined preload for immediate stiffness, and is factory lubricated. |
7010 ACD/P4AQGC Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The double row angular contact design, combined with a 25° contact angle and moderate preload, provides exceptional system stiffness. This enables the bearing to effectively manage heavy combined loads and moment loads, ensuring stable and precise shaft positioning.
Optimized for High-Speed Operation: The lightweight phenolic cage minimizes centrifugal forces, contributing to the high limiting speed of 46,000 rpm. The optimized internal geometry and precision manufacturing further enhance high-speed capability and reduce heat generation.
Precision and Longevity: Manufactured to P4A tolerance class from high-grade chrome steel for both rings and balls, this bearing delivers outstanding running accuracy and extended service life. The pre-applied lubrication ensures immediate operation and protects critical surfaces during the initial run-in period.
7010 ACD/P4AQGC Bearing Typical Application Areas
The 7010 ACD/P4AQGC is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- Precision Grinding Spindles: Applications demanding minimal runout and vibration for superior surface finishes.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motor applications.
- Industrial Pumps and Compressors: Where reliable operation under combined loads is critical.
