7006 FE/HCP4AH1DT
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7006 FE/HCP4AH1DT Bearing Product Overview & Core Advantages
The 7006 FE/HCP4AH1DT is a high-precision, duplex tandem (DT) matched pair of angular contact ball bearings designed for the most demanding applications. This metric system bearing is characterized by its exceptional speed capability and ability to handle significant combined loads. The ceramic ball construction and P4A super-precision tolerance class ensure superior performance in high-speed, high-rigidity scenarios. Its compact design and preload availability make it ideal for spindles and other precision machinery requiring minimal runout and maximum rotational accuracy.
7006 FE/HCP4AH1DT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 26mm width) | Defines the core dimensions of the bearing. |
| FE | Flinger and Contact Seal (not applicable here as seal type is Open) | Note: This bearing is an open design for high-speed operation. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Enables higher speeds, reduced friction, and longer service life. |
| P4A | Super Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for superior performance. |
| H1 | Preload Code (Light preload) | Provides initial rigidity and minimizes axial and radial play. |
| DT | Duplex Tandem Arrangement | Two bearings are mounted in tandem to primarily handle heavy thrust loads in one direction. |
7006 FE/HCP4AH1DT Bearing Structural Features & Performance Benefits
High-Speed & High-Rigidity Performance: The combination of hybrid ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces, enabling the bearing to achieve its impressive limiting speed of 100,500 rpm. The duplex tandem (DT) arrangement and available preload (H1) work in concert to create an exceptionally rigid bearing set, capable of resisting deflection under heavy loads.
Superior Load Capacity: With a dynamic load rating of 3398 lbf and a static load rating of 2340 lbf, this bearing is engineered to handle significant combined radial and axial loads. The 18° contact angle is optimized for a balance between radial and axial load capacity.
Precision & Thermal Stability: Manufactured to P4A super-precision standards with tight bore, OD, and width tolerances, this bearing ensures minimal vibration and high running accuracy. The phenolic cage offers excellent dimensional stability across the operating temperature range of -30°C to 110°C.
7006 FE/HCP4AH1DT Bearing Typical Application Areas
The 7006 FE/HCP4AH1DT is ideally suited for high-performance machinery where speed, precision, and rigidity are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives & Motors: High-frequency spindles and servo motors.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and auxiliary power units (APUs).
- Semiconductor Manufacturing Equipment: Wafer handling robots and precision stages.
