71944 CD/P4ADGB
71900 Series Super Precision Angular Contact Ball Bearings
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71944 CD/P4ADGB Bearing Product Overview & Core Advantages
The 71944 CD/P4ADGB is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running precision. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, while the light preload (Class B) ensures optimal performance with minimal friction. The bearing is capable of handling combined loads, making it an ideal choice for high-speed spindles and other precision machinery where reliability and accuracy are paramount.
71944 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Optimized contact angle and internal design for high-precision applications. |
| P4A | Indicates a high-precision tolerance class with enhanced dimensional and running accuracy. |
| DGB | Specifies a universal matchable (SU) bearing pair with a light preload (Class B). |
71944 CD/P4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and robust construction provide excellent resistance to combined radial and axial loads, ensuring stable operation under demanding conditions.
- Precision Performance: Manufactured to P4A tolerance standards, this bearing guarantees minimal runout and superior rotational accuracy, which is critical for high-speed applications.
- Optimized High-Speed Operation: The phenolic cage offers low friction and high-speed capability, contributing to the bearing's impressive limiting speed of 11,000 rpm. The 15° contact angle is optimized for high-speed performance.
- Universal Matching Flexibility: The Universal Matchable (SU) feature allows two bearings to be paired in various arrangements (back-to-back, face-to-face, or tandem) to achieve the desired preload and stiffness, providing design flexibility.
71944 CD/P4ADGB Bearing Typical Application Areas
The 71944 CD/P4ADGB is engineered for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Advanced Robotics and Automation Equipment
