7013 CE/HCDTVQ126
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7013 CE/HCDTVQ126
Basic Information
System of measurement
Metric
Weight
0.78 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
36 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
7470 lbf
Radial static load rating
6975 lbf
Limiting speed
24 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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7013 CE/HCDTVQ126 Bearing Product Overview & Core Advantages
The 7013 CE/HCDTVQ126 is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional speed and rigidity. This duplex tandem (DT) arrangement consists of two preloaded bearings, delivering superior axial stiffness and enabling it to handle significant combined loads. Manufactured to a P4A tolerance class, it guarantees extreme dimensional accuracy and running precision. The use of ceramic balls and a phenolic cage contributes to lower friction, higher limiting speeds, and extended service life, making it an ideal solution for high-performance spindle systems.
7013 CE/HCDTVQ126 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing series and size designation (65mm bore, 100mm OD). |
| CE | Indicates a 15° contact angle, optimized for high-speed operation with moderate axial load capacity. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride), which reduce centrifugal forces and heat generation. |
| DT | Denotes a Duplex Tandem matched set of two bearings, increasing axial load capacity and rigidity in one direction. |
| VQ | Code for a special phenolic resin cage, which is lightweight and suitable for very high speeds and accelerations. |
| 126 | Internal code related to specific preload and internal geometry for optimal performance. |
7013 CE/HCDTVQ126 Bearing Structural Features & Performance Benefits
- Enhanced Rigidity and Load Capacity: The duplex tandem arrangement with applied preload creates a highly rigid bearing system, capable of withstanding heavy combined radial and axial loads in one direction. This configuration is critical for applications requiring minimal shaft deflection.
- Superior High-Speed Performance: The combination of ceramic balls (lower density than steel) and a lightweight phenolic cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 24,000 rpm. The 15° contact angle is also optimized for such high-speed applications.
- Precision and Accuracy: Manufactured to P4A tolerance class, this bearing ensures extremely tight dimensional control on bore, outside diameter, and width, resulting in superior running accuracy, reduced vibration, and consistent performance.
- Pre-Lubricated for Immediate Operation: The bearing is supplied lubricated and ready for installation, simplifying the mounting process and ensuring immediate, reliable operation.
7013 CE/HCDTVQ126 Bearing Typical Application Areas
This high-precision, high-speed bearing is engineered for the most demanding sectors, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing machines.
- High-Frequency Motors: Spindles for electric motors requiring minimal runout and high rotational accuracy.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
