706 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
706 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.005 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
6 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
17 mm
Outside diameter tolerance
-0.004mm to 0
Width
6 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
3.175 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
457 lbf
Radial static load rating
172 lbf
Limiting speed
220 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:
$ 99.45
/ each
In Stock
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706 CD/HCP4A Bearing Product Overview & Core Advantages
The 706 CD/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional speed and rigidity. Designed to accommodate primarily axial loads in one direction, it features a 15° contact angle for optimal performance under combined loads. Its compact design, combined with P4 (ABEC-7) precision tolerance and ceramic ball construction, makes it an ideal choice for machine tool spindles and other high-speed, high-reliability equipment.
706 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 706 CD | Basic bearing designation, indicating a specific internal geometry and size series. |
| HC | Hybrid Ceramic, signifying the use of ceramic balls for reduced friction, higher speed capability, and longer service life. |
| P4 | Indicates a P4 tolerance class (equivalent to ABEC-7), ensuring extremely tight dimensional and running accuracy for precision applications. |
| A | Denotes a specific contact angle of 15°, optimized for high-speed operation and axial load capacity. |
706 CD/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Performance: The combination of a lightweight phenolic resin cage and low-friction ceramic balls enables a high limiting speed of 220,000 rpm, minimizing centrifugal forces and heat generation.
- Enhanced Rigidity and Precision: Manufactured to P4 precision class with a 15° contact angle, this bearing provides high running accuracy and system stiffness, crucial for demanding spindle applications.
- Superior Material Combination: The hybrid ceramic design (chrome steel rings with ceramic balls) offers excellent wear resistance, reduced thermal expansion, and extended service life compared to all-steel bearings.
- Preload Availability: The bearing is supplied with a preload, which eliminates internal clearance to maximize system rigidity and rotational accuracy from the moment of installation.
706 CD/HCP4A Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Robotic Drives
- Dental and Medical Handpiece Motors
- Advanced Aerospace Instrumentation
