7006 ACD/HCP4AH
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7006 ACD/HCP4AH
Basic Information
System of measurement
Metric
Weight
0.095 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
13 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3105 lbf
Radial static load rating
1721 lbf
Limiting speed
53 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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 ACD/HCP4AH Bearing Product Overview & Core Advantages
The 7006 ACD/HCP4AH is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This single bearing features a 25° contact angle and is supplied preloaded, enabling it to handle significant combined loads (radial and axial) simultaneously. Its construction with a phenolic cage and ceramic balls contributes to superior high-speed performance and reduced rotational mass. The bearing is pre-lubricated for immediate operation and falls under the P4A tolerance class, making it ideal for high-reliability, precision machinery.
7006 ACD/HCP4AH Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a specific contact angle and internal design. |
| HC | Hybrid Ceramic, indicating the use of ceramic balls for enhanced speed and durability. |
| P4A | Denotes a high-precision tolerance class with very tight running accuracy limits. |
7006 ACD/HCP4AH Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 25° contact angle and preload configuration provide high axial and radial stiffness, enabling the bearing to effectively support combined loads.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, allowing for a high limiting speed of 53,000 rpm.
- Enhanced Durability and Longevity: Ceramic balls offer superior resistance to wear and thermal expansion compared to steel, leading to a longer service life, especially in demanding environments.
- Precision Operation: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
7006 ACD/HCP4AH Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- High-Speed Machine Tool Spindles
- Precision Grinding Applications
- High-Frequency Motors and Spindles
- Advanced Robotics and Automation Equipment
- Medical and Dental Equipment Spindles
