71826 CDGB/P4
71800 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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71826 CDGB/P4 Bearing Product Overview & Core Advantages
The 71826 CDGB/P4 is a single row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 tolerance class, this bearing is engineered to handle significant combined loads, accommodating both radial and one-directional axial loads efficiently. Its light preload (Class B) minimizes deflection under operational stresses, ensuring smooth, precise performance in demanding environments. The use of a phenolic cage and universal matchability makes it an ideal choice for high-speed spindles and other precision machinery where reliability and accuracy are paramount.
71826 CDGB/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 71826 | Basic bearing designation | Defines the standard dimensions: 130mm bore, 165mm OD, 18mm width |
| C | 15° contact angle | Optimized for axial load capacity while maintaining radial performance |
| DGB | Universal Matchable bearing in a duplex set | Can be universally paired with other bearings in a set of 4 for precise preload configurations |
| P4 | Tolerance class | Superior dimensional and running accuracy for high-precision applications |
71826 CDGB/P4 Bearing Structural Features & Performance Benefits
High Precision & Rigidity: The single row angular contact design with a 15° contact angle provides excellent rigidity and running accuracy. The light preload (Class B) ensures minimal deflection under load, crucial for maintaining precision in high-speed operations.
Superior Load Capacity: With a dynamic load rating of 8775 lbf and a static load rating of 11925 lbf, this bearing effectively handles combined radial and axial loads, making it suitable for applications with complex loading conditions.
High-Speed Performance: The phenolic cage enables superior performance at high rotational speeds, with a limiting speed of 11,000 rpm. This material offers excellent strength-to-weight ratio and smooth operation at elevated speeds.
Precision Manufacturing: Manufactured to P4 tolerance class with tight dimensional tolerances (bore: -0.004mm to 0, OD: -0.004mm to 0), ensuring consistent performance and interchangeability in precision assemblies.
71826 CDGB/P4 Bearing Typical Application Areas
The 71826 CDGB/P4 angular contact ball bearing is specifically designed for high-precision applications including:
- Machine Tool Spindles - High-speed machining centers and precision lathes
- Precision Grinding Spindles - Applications requiring exceptional running accuracy
- High-Speed Motors - Industrial motors and servo drives
- Robotics - Precision joints and rotary actuators
- Aerospace Components - Guidance systems and precision mechanisms
- Medical Equipment - High-speed dental handpieces and surgical tools
