7007 FE/HCP4AH1DT
Hybrid Ceramic Super Precision Bearings
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7007 FE/HCP4AH1DT Bearing Product Overview & Core Advantages
The 7007 FE/HCP4AH1DT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex tandem (DT) arrangement consists of two matched bearings, preloaded to deliver superior high rigidity and handle significant combined loads. Featuring a phenolic cage and ceramic balls, it is engineered for high-speed operation, making it ideal for high-precision, high-reliability machinery where uncompromising performance is critical.
7007 FE/HCP4AH1DT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7007 | Basic bearing series and size designation (35mm bore, 62mm OD, 28mm width). |
| FE | Indicates a specific internal design and contact angle (18°). |
| HC | Hybrid Ceramic: Denotes the use of ceramic balls for enhanced speed and durability. |
| P4A | Specifies the tolerance class, indicating very high running accuracy. |
| H1 | Identifies a specific preload level for optimal stiffness and rotational accuracy. |
| DT | Duplex Tandem: Two bearings are mounted in tandem to primarily handle axial loads in one direction. |
7007 FE/HCP4AH1DT Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex tandem arrangement and applied preload create an exceptionally stiff bearing unit, capable of handling high combined loads (radial and axial) with minimal deflection. The 18° contact angle is optimized for substantial axial load support.
Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, enabling a high limiting speed of 56,000 rpm. This makes it a true high-speed bearing.
Enhanced Durability & Precision: The P4A tolerance class ensures extremely tight dimensional and running accuracy for smooth, quiet operation. The hybrid ceramic construction offers increased fatigue life and is less susceptible to thermal expansion.
7007 FE/HCP4AH1DT Bearing Typical Application Areas
This high-precision bearing is ideally suited for applications requiring maximum speed, rigidity, and accuracy, such as:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- High-Speed Robotic Drives
- Advanced Medical & Dental Equipment
