7007 CE/HCDTVQ126
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7007 CE/HCDTVQ126
Basic Information
System of measurement
Metric
Weight
0.27 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
4185 lbf
Radial static load rating
2970 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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7007 CE/HCDTVQ126 Bearing Product Overview & Core Advantages
The 7007 CE/HCDTVQ126 is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This duplex tandem (DT) arrangement bearing set is pre-loaded and ready for installation, offering superior high-speed capability and rigidity. Its construction with ceramic balls and a phenolic cage enables operation at extreme rotational speeds while maintaining high dimensional stability under combined loads. This bearing is engineered for high reliability in precision machinery.
7007 CE/HCDTVQ126 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CE | Contact Angle (15°) | Optimized for handling combined radial and axial loads. |
| HC | Hybrid Ceramic (Ceramic Balls) | Reduced friction, lower operating temperature, and extended service life at high speeds. |
| DT | Duplex Tandem Arrangement | Two bearings mounted in tandem to primarily handle thrust loads in one direction. |
| VQ126 | Special Precision & Preload Class | Denotes P4A tolerance class and a specific preload for maximum system rigidity and rotational accuracy. |
7007 CE/HCDTVQ126 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and preload create an exceptionally rigid bearing system capable of withstanding high combined loads and significant thrust loads in one direction.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage significantly reduces centrifugal forces and inertial drag, enabling a limiting speed of 56,000 rpm.
- Enhanced Durability: Hybrid ceramic construction provides inherent resistance to wear and a lower coefficient of thermal expansion, ensuring consistent performance and accuracy across the operating temperature range of -30°C to 110°C.
- Precision Engineering: Manufactured to P4A tolerance class, this bearing guarantees ultra-precise running accuracy, minimal vibration, and is ideal for applications where positional accuracy is critical.
7007 CE/HCDTVQ126 Bearing Typical Application Areas
This high-performance bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing equipment.
- High-Frequency Motors: Spindles for electric vehicles and industrial automation.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and auxiliary power units (APUs).
