71922 CDGB/P4A
71900 Series Super Precision Angular Contact Ball Bearings
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71922 CDGB/P4A Bearing Product Overview & Core Advantages
The 71922 CDGB/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing is designed to handle combined loads, primarily thrust loads in one direction, while offering superior performance at high speeds. Its light preload (Class B) ensures minimal deflection and smooth operation, making it ideal for machine tool spindles and other precision machinery where reliability is paramount.
71922 CDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71922 | Basic bearing series and size designation (110mm bore, 150mm OD, 20mm width). |
| C | 15° contact angle, optimized for high thrust load capacity. |
| DGB | Universal Matchable (SU) bearing, designed to be mounted in sets (back-to-back, face-to-face, or tandem) without selective assembly. |
| P4A | High precision tolerance class, providing extremely tight dimensional and running accuracy for demanding applications. |
71922 CDGB/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: Manufactured to P4A tolerances with a light preload, this bearing delivers exceptional running accuracy and system stiffness, minimizing deflection under load.
Superior Load Capacity: The 15° contact angle and robust chrome steel construction enable high radial dynamic load rating (14040 lbf) and static load rating (16200 lbf), effectively handling combined radial and thrust loads.
Optimized High-Speed Performance: The phenolic cage and precision-ground components contribute to a high limiting speed of 16,250 rpm, ensuring stable operation in demanding spindle applications.
Universal Matching Capability: As a Universal Matchable (SU) bearing, the 71922 CDGB/P4A can be directly paired with other identical bearings in sets of 2, 3, or 4 (as specified) to create a pre-loaded arrangement, simplifying installation and enhancing system performance.
71922 CDGB/P4A Bearing Typical Application Areas
The 71922 CDGB/P4A is ideally suited for high-performance machinery requiring precision and speed, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace Control Systems
