S7003 CEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7003 CEGA/P4A
Basic Information
System of measurement
Metric
Weight
0.037 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
35 mm
Outside diameter tolerance
-0.004mm to 0
Width
10 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
12
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1316 lbf
Radial static load rating
574 lbf
Limiting speed
85 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
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7003 CEGA/P4A Bearing Product Overview & Core Advantages
The S7003 CEGA/P4A is a super-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single bearing with Universal Matchable (SU) designation, it can be paired with another identical bearing to form a precisely preloaded set. Its P4A tolerance class ensures ultra-precise dimensions and running accuracy, making it ideal for high-speed spindles and other high-precision machinery. The phenolic cage and optimized 15° contact angle contribute to outstanding high-speed performance and stability under combined radial and axial loads.
S7003 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CEGA | Combined designation for Universal Matchable (SU) bearings with specific internal clearance and preload. | Ensures optimal performance when mounted in pairs; simplifies bearing selection and pairing for high rigidity applications. |
| P4A | Tolerance class exceeding ABEC 7/ISO P4, with additional requirements for running accuracy. | Guarantees ultra-low vibration and exceptional running precision for the most demanding high-speed applications. |
S7003 CEGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and Universal Matchable feature allow for precise preloading when mounted in pairs. This creates a highly rigid bearing system capable of handling significant combined radial and axial loads simultaneously.
- Superior High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the 15° contact angle is optimized for high-speed operation. This combination enables a high limiting speed of 85,000 rpm.
- Exceptional Precision: Manufactured to P4A tolerance class, this bearing offers extremely tight dimensional and running accuracy, minimizing vibration and ensuring smooth operation in precision equipment.
- Sealed & Pre-Lubricated: The bearing comes sealed and pre-lubricated with grease, protecting against contamination and providing reliable operation within its specified temperature range without immediate maintenance.
S7003 CEGA/P4A Bearing Typical Application Areas
This precision bearing is engineered for the most demanding applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: High-accuracy joints and main arm spindles.
- High-Frequency Spindles: PCB drilling and routing machines.
- Medical Equipment: Dental handpieces and laboratory centrifuges.
- Aerospace Instrumentation: Gyroscopes and navigation systems.
