S7006 CE/P4ADBB
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7006 CE/P4ADBB Bearing Product Overview & Core Advantages
The S7006 CE/P4ADBB is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This back-to-back (DB) matched set features a P4A tolerance class and a light preload (Class B), making it ideal for high-speed spindles and other precision machinery. Its primary advantage lies in its ability to support combined radial and axial loads simultaneously with high running accuracy and stiffness, ensuring reliable performance in demanding operational conditions.
S7006 CE/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7006 | Basic bearing series, 30mm bore, 55mm OD, 26mm width |
| C | 15° contact angle |
| E | Optimized internal design |
| P4A | High precision tolerance class (exceeds ABEC 7) |
| DB | Duplex Back-to-Back arrangement |
| B | Light preload (Class B) |
S7006 CE/P4ADBB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back configuration creates a rigid bearing system that effectively resists moment loads and supports combined radial and axial loads from both directions. The 15° contact angle provides optimal load distribution.
High-Speed Performance: The phenolic resin cage offers excellent dimensional stability and low friction at high speeds, contributing to the impressive limiting speed of 100,500 rpm. The optimized internal geometry minimizes heat generation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore/OD tolerance: -0.004mm to 0), this bearing ensures minimal runout and vibration for applications requiring high rotational accuracy.
Material Quality: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and long service life under demanding conditions.
S7006 CE/P4ADBB Bearing Typical Application Areas
The S7006 CE/P4ADBB is specifically engineered for high-performance applications including:
- Machine Tool Spindles - High-speed milling, grinding, and turning centers
- Precision Industrial Pumps - Chemical processing, hydraulic systems
- High-Speed Compressors - Air and gas compression systems
- Robotics & Automation - Precision joints and rotary tables
- Aerospace Components - Guidance systems and auxiliary power units
