S7206 CDGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7206 CDGA/P4A
Basic Information
System of measurement
Metric
Weight
0.2 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
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
13
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5445 lbf
Radial static load rating
3600 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
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7206 CDGA/P4A Bearing Product Overview & Core Advantages
The S7206 CDGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single bearing with Universal Matchable (SU) designation, it is supplied as one of a precisely matched pair (set of 2), enabling optimal performance when used in duplex arrangements. Its extra light preload (Class A) and 15° contact angle make it ideally suited for high-speed operation while providing excellent rigidity and the ability to support combined loads (radial and axial). The sealed design with factory-applied grease lubrication ensures long-term, maintenance-free operation within a wide temperature range.
S7206 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| S7206 | Basic bearing series and size designation | Identifies the 30mm bore, 62mm OD, 16mm width dimensions. |
| CDGA | Internal design and contact angle specification | Indicates a 15° contact angle and specific internal geometry optimized for high-speed performance and universal matching. |
| P4A | Tolerance class | Denotes extremely high precision levels, with running accuracy exceeding ABEC 7 / ISO P4 standards, suitable for the most demanding applications. |
S7206 CDGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The optimized angular contact design with a 15° contact angle provides superior rigidity, effectively handling combined radial and axial loads. The high-grade chrome steel construction ensures dimensional stability under load.
- Exceptional High-Speed Performance: The phenolic resin cage is lightweight and robust, contributing to lower friction and enabling a high limiting speed of 100,500 rpm. The extra light preload (Class A) minimizes heat generation at high rotational speeds.
- Precision & Accuracy: Manufactured to P4A tolerance class, this bearing guarantees minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
- Maintenance-Free & Long Service Life: The integral seals protect against contamination, and the pre-applied grease lubrication is effective across a broad temperature range (-30°C to 110°C), offering a long, reliable service life without re-lubrication.
S7206 CDGA/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is engineered for high-performance machinery, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and High-Frequency Motors.
- Medical Equipment: Dental handpieces, centrifuges, and imaging devices.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and flight control actuators.
- Robotics: High-accuracy joints and actuators.
