S7012 CE/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
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S7012 CE/P4ADGA Bearing Product Overview & Core Advantages
The S7012 CE/P4ADGA is a precision double row angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Engineered to a P4A tolerance class, this bearing excels at simultaneously handling combined radial and axial loads from both directions. Its compact design, featuring universal matching (SU), allows for simplified installation and provides a highly rigid, pre-loaded arrangement right out of the box. The combination of a phenolic cage and factory-applied grease enables superior high-speed performance and reliable operation in demanding environments.
S7012 CE/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| S7012 | Basic bearing series designation | Identifies the bearing size and internal geometry. |
| CE | Enhanced internal design | Optimized for higher speeds and lower noise. |
| P4A | High precision tolerance class | Guarantees extremely tight dimensional and running accuracy for superior performance. |
| DGA | Contact angle designation and universal matchable pair | Specifies the 15° contact angle and indicates the bearing is part of a universally matchable (SU) set of two bearings, providing a pre-defined preload. |
S7012 CE/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides significantly greater radial and axial rigidity than single row bearings. This robust construction allows it to handle substantial combined loads and moment loads effectively.
- Superior High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the optimized internal geometry (CE) and effective lubrication contribute to a high limiting speed of 36,000 rpm.
- Precision & Accuracy: Manufactured to P4A tolerance class with a 15° contact angle, this bearing ensures minimal runout and vibration, which is critical for high-precision applications.
- Simplified Installation & Longevity: As a universally matchable (SU) set, it eliminates complex preload adjustments during installation. The sealed design and pre-lubrication with high-quality grease ensure long-term, maintenance-free operation.
S7012 CE/P4ADGA Bearing Typical Application Areas
The S7012 CE/P4ADGA is ideally suited for high-performance machinery requiring precision, speed, and rigidity. Key application areas include:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Gearboxes
- High-Frequency Motors and Spindles
- Medical and Dental Equipment
- Industrial Pumps and Compressors
