71819 CDGC/P4
71800 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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71819 CDGC/P4 Bearing Product Overview & Core Advantages
The 71819 CDGC/P4 is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single bearing with P4 tolerance class, it delivers superior running precision. Its 15° contact angle and Moderate (Class C) preload are engineered to handle combined loads efficiently, providing high axial and radial load capacity in a compact 13 mm width. This bearing is Universal Matchable (SU), allowing for precise duplex arrangements to achieve even higher system rigidity and performance.
71819 CDGC/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71819 | Basic bearing designation indicating the size series and 95 mm bore diameter. |
| CD | Specifies a 15° contact angle. |
| GC | Indicates a Moderate preload (Class C) for optimal stiffness and minimal deflection. |
| P4 | Denotes a high-precision tolerance class with extremely tight dimensional and running accuracy. |
71819 CDGC/P4 Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design with a 15° contact angle and moderate preload provides excellent resistance to combined (radial and axial) loads, ensuring stable operation under demanding conditions.
- Precision Performance: Manufactured to P4 tolerance class, this bearing guarantees minimal runout and vibration, which is critical for high-speed applications up to 15,000 rpm.
- Optimized Cage Design: The phenolic resin cage offers low weight, high strength, and superior performance at high speeds with reduced friction.
- Superior Material: Constructed from chrome steel for both rings and balls, ensuring high durability, wear resistance, and a long operational lifespan.
- Universal Matching (SU): This feature allows two identical bearings to be mounted together in a "back-to-back" or "face-to-face" arrangement to share loads and increase system rigidity significantly.
71819 CDGC/P4 Bearing Typical Application Areas
The 71819 CDGC/P4 is ideally suited for high-performance machinery where precision and reliability are paramount. Key applications include:
- Machine Tool Spindles
- High-Speed Grinding Spindles
- Precision Gearboxes
- Industrial Pumps and Compressors
- Robotic Arms and Precision Positioning Systems
