S7003 CDGC/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7003 CDGC/P4A
Basic Information
System of measurement
Metric
Weight
0.038 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
1521 lbf
Radial static load rating
731 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
Moderate / Class C
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 CDGC/P4A Bearing Product Overview & Core Advantages
The S7003 CDGC/P4A is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. As a single bearing that is Universal Matchable (SU), it can be precisely paired with a second identical bearing to form a pre-loaded duplex set, significantly enhancing system stiffness and performance. Its P4A tolerance class ensures ultra-precise dimensions and runout, making it ideal for high-speed spindles and other precision machinery where minimal vibration and high positional accuracy are critical.
S7003 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CD | 15° contact angle and specific internal design | Optimized for handling combined radial and axial loads. |
| GC | Preload Level: Moderate / Class C | Provides optimal bearing rigidity and reduces deflection under load without excessive heat generation. |
| P4A | Tolerance Class: P4A (ABEC 7 Precision) | Guarantees extremely tight dimensional and running accuracy for superior performance in high-speed and high-precision applications. |
S7003 CDGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The Moderate (C) preload eliminates internal clearance, resulting in significantly increased system stiffness. This is crucial for applications requiring high resistance to operational forces and minimal shaft displacement.
- Precision Performance: Manufactured to P4A tolerance class, this bearing ensures low noise, low vibration, and exceptional running accuracy, directly contributing to the precision of the end equipment.
- Optimized High-Speed Capability: The lightweight and robust phenolic resin cage ensures stable operation and guides the balls effectively at high rotational speeds, supporting a limiting speed of 85,000 rpm.
- Superior Material & Universal Matching: Constructed from chrome steel for both rings and balls, ensuring high durability and fatigue life. The Universal Matchable (SU) designation allows for simplified mounting in pre-loaded arrangements (e.g., DB or DF) without selective sorting.
S7003 CDGC/P4A Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Where extreme accuracy and surface finish are required.
- High-Frequency Motors and Spindles: Used in PCB drilling and other high-RPM applications.
- Medical Equipment: Dental handpieces and small surgical tool drives.
- Advanced Robotics: Precision joints and servo motor assemblies.
