S7006 CEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7006 CEGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.11 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
13 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
2106 lbf
Radial static load rating
1170 lbf
Limiting speed
100.5 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
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
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S7006 CEGA/HCP4A Bearing Product Overview & Core Advantages
The S7006 CEGA/HCP4A is a high-precision, single-row angular contact ball bearing engineered for applications demanding exceptional accuracy and high-speed performance. Manufactured to ABEC 7 / P4A super-precision tolerance, this bearing features a 15° contact angle and is designed to accommodate combined loads, primarily thrust loads with radial load capacity. Its universal matchable (SU) design allows for flexible mounting in any arrangement. The core advantages include extremely low operating noise, superior running accuracy, and the ability to sustain very high limiting speeds up to 100,500 rpm, making it ideal for the most demanding spindle applications.
S7006 CEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 13mm width). |
| C | Specifies a 15° contact angle. |
| EGA | Indicates the bearing is universally matchable (SU) and supplied as a set of two bearings for duplex mounting. |
| HC | Signifies the use of hybrid ceramic balls (Silicon Nitride) for reduced friction, lower heat generation, and higher speed capability. |
| P4A | Denotes an ABEC 7 / ISO P4A super-precision tolerance class, ensuring extremely tight dimensional and running accuracy. |
S7006 CEGA/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (ceramic) balls significantly reduces centrifugal forces, lowers operating temperature, and extends bearing life, especially at ultra-high speeds.
- Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and guidance, contributing to smooth operation and high limiting speed performance.
- Super-Precision Grinding: Manufactured to P4A tolerance class, this bearing provides exceptional running accuracy and minimal vibration, which is critical for applications like machine tool spindles.
- Universal Matching (SU): The universal matchable design allows for simplified mounting in back-to-back (DB), face-to-face (DF), or tandem (DT) arrangements without selective assembly, providing design flexibility and optimized preload.
- High-Speed Capability: The synergistic effect of hybrid components, a lightweight cage, and optimized internal geometry enables the bearing to achieve a remarkable limiting speed of 100,500 rpm.
S7006 CEGA/HCP4A Bearing Typical Application Areas
- High-Frequency Machine Tool Spindles: CNC machining centers, grinding spindles, and high-speed milling spindles.
- Precision Equipment: Dental and medical handpieces, laboratory centrifuges.
- High-Speed Motors and Drives: Servo motors, high-frequency spindles for PCB drilling.
- Aerospace and Defense Systems: Gyroscopes, navigation instruments, and other critical high-speed rotating assemblies.
