S7006 ACE/HCP4ADT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7006 ACE/HCP4ADT
Basic Information
System of measurement
Metric
Weight
0.21 kg
Tolerance class
P4A
Seal type
Sealed
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
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3218 lbf
Radial static load rating
2250 lbf
Limiting speed
71.5 X 1000 rpm
Lubrication
Grease
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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S7006 ACE/HCP4ADT Bearing Product Overview & Core Advantages
The S7006 ACE/HCP4ADT is a high-precision, duplex tandem angular contact ball bearing designed for demanding applications requiring exceptional rigidity and speed. This matched pair bearing set excels at handling combined radial and axial loads simultaneously. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational mass. Pre-loaded and sealed, this bearing offers high rigidity and is ready for installation, making it ideal for high-reliability, precision machinery.
S7006 ACE/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACE | Specific internal design and contact angle (25°) | Optimized for high axial load capacity and rigidity. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Higher speed capability, reduced weight, and longer service life. |
| P4A | High-Precision Tolerance Class (ABEC 7 / ISO P4) | Ensures minimal runout and vibration for ultra-precise applications. |
| DT | Duplex Tandem Matched Arrangement | Two bearings are pre-loaded as a set to handle high axial loads in one direction. |
S7006 ACE/HCP4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem (DT) arrangement of two angular contact bearings provides exceptional system stiffness and is specifically designed to withstand very high unidirectional axial loads, as well as combined loads.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage significantly reduces centrifugal forces, enabling a high limiting speed of 71,500 rpm. This makes it an ideal high-speed bearing.
- Precision & Accuracy: Manufactured to a P4A tolerance class, this bearing guarantees tight dimensional control and minimal running vibration, which is critical for the accuracy of precision spindles.
- Sealed & Pre-Lubricated: The sealed design with grease lubrication protects against contamination and is maintenance-free for the lifespan of the bearing in many applications, operating reliably within a temperature range of -30°C to 110°C.
S7006 ACE/HCP4ADT Bearing Typical Application Areas
This high-performance bearing is engineered for the most demanding sectors, including:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- Precision Robotics: High-accuracy robotic arms and joints requiring minimal backlash.
- Aerospace & Defense: Gyroscopes, radar systems, and auxiliary power units (APUs).
- High-Speed Motors & Drives: Spindles for PCB drilling, dental handpieces, and turbine instrumentation.
