7006 CE/HCDTVQ126
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7006 CE/HCDTVQ126
Basic Information
System of measurement
Metric
Weight
0.21 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.004mm to 0
Width
26 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3398 lbf
Radial static load rating
2340 lbf
Limiting speed
100.5 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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7006 CE/HCDTVQ126 Bearing Product Overview & Core Advantages
The 7006 CE/HCDTVQ126 is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This duplex tandem (DT) arrangement set is pre-configured for maximum axial rigidity and load capacity in one direction. Manufactured to a P4A super-precision tolerance, it ensures ultra-low runout and high rotational accuracy. Its core advantages include the ability to handle high combined loads (radial and axial), superior high-speed capability facilitated by a phenolic cage and ceramic balls, and excellent operational stability due to its matched and preloaded design.
7006 CE/HCDTVQ126 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 26mm width). |
| C | Designates a 15° contact angle, optimized for high-speed applications with significant axial loads. |
| E | Indicates optimized internal geometry and P4A tolerance class for enhanced precision and performance. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride), which reduce friction, heat generation, and allow for higher speeds. |
| DT | Denotes a Duplex Tandem preloaded set of 2 bearings, maximizing axial stiffness and load capacity in one direction. |
| VQ1 | Specifies a special phenolic resin cage design, offering low weight, high strength, and excellent performance at high speeds. |
| 26 | Likely refers to a specific preload level or internal clearance group for the matched set. |
7006 CE/HCDTVQ126 Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The duplex tandem arrangement couples two bearings to act as a single, highly rigid unit. This configuration is specifically engineered to support very high axial loads in one direction, while also handling substantial radial loads, making it ideal for applications requiring high rigidity and precise shaft positioning.
- Superior High-Speed Performance: The combination of ceramic balls and a lightweight phenolic cage (VQ1) significantly reduces centrifugal forces and operating temperatures. This allows the bearing to achieve a high limiting speed of 100,500 rpm, ensuring stable operation in demanding high-speed spindle applications.
- Precision and Longevity: Built to P4A tolerance standards with a 15° contact angle, this bearing guarantees minimal vibration and exceptional running accuracy. The open design, when used with optimal filtration and lubrication systems, minimizes friction and wear, contributing to a long service life under precise operating conditions.
7006 CE/HCDTVQ126 Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision, speed, and rigidity are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, engraving machines, and dental handpieces.
- High-Frequency Motors: Spindles for routers and small precision motors.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instruments.
