7006 CE/HCP4ALDT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7006 CE/HCP4ALDT
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/HCP4ALDT Bearing Product Overview & Core Advantages
The 7006 CE/HCP4ALDT is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex tandem (DT) arrangement bearing set is preloaded and manufactured to P4A tolerance class, ensuring ultra-precise rotational accuracy and minimal runout. 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 outstanding rigidity for stable operation in precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD). |
| C | 15° contact angle, optimized for high axial load capacity. |
| E | Optimized internal design for enhanced performance and load rating. |
| HC | Hybrid Ceramic: Signifies the use of ceramic balls for reduced friction, higher speed, and longer service life. |
| P4A | Ultra-high precision tolerance class, exceeding ABEC 7 standards. |
| L | Light preload applied to the matched set. |
| DT | Duplex Tandem arrangement. Two bearings are mounted together to increase axial load capacity in one direction. |
7006 CE/HCP4ALDT Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of steel rings and ceramic balls (Si3N4) significantly reduces centrifugal forces, lowers operating temperature, and enables a limiting speed of 100,500 rpm. This results in exceptional high-speed performance and extended lubricant life.
- Phenolic Resin Cage: This lightweight and robust cage material offers excellent dimensional stability at high speeds, contributing to smooth operation and reduced vibration.
- Duplex Tandem (DT) Arrangement with Preload: The two bearings are manufactured as a matched set and preloaded against each other. This configuration provides maximum axial rigidity and precise shaft positioning, eliminating axial play for superior accuracy.
- P4A Super-Precision: Manufactured to the tightest dimensional and running accuracy tolerances, this bearing ensures minimal vibration and high rotational accuracy for critical applications.
- Open Seal & Pre-lubrication: The open design allows for custom lubrication schemes, while the bearing comes pre-lubricated for immediate operation within a wide temperature range (-30°C to 110°C).
7006 CE/HCP4ALDT Bearing Typical Application Areas
This bearing is engineered for the most demanding high-speed and high-precision applications, including:
- Machine Tool Spindles: High-speed milling, drilling, and grinding spindles requiring extreme rigidity and accuracy.
- Precision Robotics: Arm joints and spindle drives where high speed and positional accuracy are critical.
- High-Frequency Spindles: PCB drilling and dental drill handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other instrumentation.
- High-Speed Compressors & Pumps: Applications where reliability at extreme rotational speeds is paramount.
