7006 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7006 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.095 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.007mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
3218 lbf
Radial static load rating
1800 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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
Price:
$ 70.56
/ each
In Stock
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7006 CD/HCP4A Bearing Product Overview & Core Advantages
The 7006 CD/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional accuracy and performance. This single-row bearing is distinguished by its ceramic balls and P4 (ABEC-7) tolerance class, making it ideal for high-speed operation and scenarios requiring superior rigidity. Its design is optimized to handle combined loads, efficiently supporting significant radial loads and thrust loads in one direction. The phenolic cage and available preload contribute to its high-speed capabilities and operational stability, establishing it as a premier choice for the most demanding precision machinery.
7006 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Specifies a 15° contact angle and indicates a specific internal design and preload level optimized for high rigidity. |
| HC | Denotes the use of Hybrid Ceramic balls, which are lighter and harder than steel, reducing centrifugal force and enabling higher speeds. |
| P4 | Indicates a super-precision tolerance class (equivalent to ABEC-7), ensuring minimal runout and vibration for ultra-precise applications. |
7006 CD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls provides significant performance benefits. Ceramic balls are lighter, reducing centrifugal forces for a higher limiting speed (56,000 rpm). They are also harder and electrically insulating, leading to reduced wear, longer service life, and protection against electrical erosion.
- High Rigidity and Precision: The 15° contact angle and the availability of preload allow for a stiff bearing arrangement, minimizing deflection under load. Manufactured to P4 tolerance, this bearing ensures exceptional running accuracy, which is critical for applications like machine tool spindles.
- Optimized High-Speed Cage: The phenolic resin cage is lightweight and possesses excellent slip characteristics, making it ideal for high-speed operation. It contributes to lower friction and stable performance at the bearing's maximum rated speed.
- Superior Load Capacity: With a dynamic load rating of 3218 lbf and a static load rating of 1800 lbf, this bearing is built to handle significant combined radial and axial loads reliably.
7006 CD/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and lathes.
- Precision Robotics: High-accuracy robotic arms and joints.
- High-Frequency Motors and Spindles: Motors for PCB drilling and dental handpieces.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other critical navigation equipment.
