7006 CE/HCP4ADBB
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7006 CE/HCP4ADBB
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 Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
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.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7006 CE/HCP4ADBB Bearing Product Overview & Core Advantages
The 7006 CE/HCP4ADBB is a super-precision angular contact ball bearing designed for the most demanding applications. This duplex back-to-back (DB) matched set delivers exceptional rotational accuracy and system rigidity. Its primary advantage lies in its ability to handle combined loads (radial and axial) simultaneously while operating at very high speeds. The use of ceramic balls and a phenolic cage significantly enhances performance, making it ideal for high-precision, high-reliability machine tool spindles and other precision equipment.
7006 CE/HCP4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 7006 | Standard bearing series and size designation (30mm bore, 55mm OD). | Defines the core bearing dimensions. |
| C | 15° contact angle. | Optimized for high-speed operation and moderate axial load capacity. |
| E | Optimized internal geometry. | Enhances speed capability and reduces friction. |
| HC | Hybrid Ceramic (ceramic balls with steel rings). | Reduces centrifugal forces, allows for higher speeds, increases stiffness, and provides longer service life. |
| P4A | Tolerance class P4A (ABEC 7 Precision). | Guarantees extremely tight dimensional and running accuracy for superior performance. |
| DB | Duplex Back-to-Back arrangement. | Provides high moment rigidity and can accommodate bidirectional axial loads. |
| B | Light preload / Class B. | Eliminates internal clearance for precise shaft positioning and increased system stiffness. |
7006 CE/HCP4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement of two bearings creates a robust, preloaded unit that provides exceptional resistance to moment loads and can support significant combined radial and axial loads.
- Superior High-Speed Performance: The combination of hybrid ceramic balls (lighter than steel, reducing centrifugal force) and a lightweight phenolic cage allows this bearing set to achieve a very high limiting speed of 100,500 rpm. The 15° contact angle is also optimized for high-speed operation.
- Enhanced Precision and Longevity: Manufactured to P4A super-precision tolerance, this bearing ensures minimal runout and vibration. The ceramic balls are electrically insulating and have superior wear resistance, contributing to a longer operational life and consistent performance.
- Optimized for Precision Lubrication: The bearing is supplied lubricated and features an open seal design, making it ideal for integration into centralized lubrication systems commonly used in high-end machine tool spindles.
7006 CE/HCP4ADBB Bearing Typical Application Areas
This super-precision angular contact ball bearing is engineered for the most critical high-speed and high-precision applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles
- High-Frequency Machining Centers
- High-Speed Robotic Drives
- Advanced Medical Equipment (e.g., dental handpieces)
- Aerospace Test Rigs and other precision instruments requiring extreme accuracy and speed.
