71828 ACDGC/P4
71800 Series Super Precision Angular Contact Ball Bearings
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71828 ACDGC/P4 Bearing Product Overview & Core Advantages
The 71828 ACDGC/P4 is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4 tolerance class, this bearing is optimized to handle combined loads—significant radial and axial loads in one direction. Its compact design, featuring a moderate preload (Class C), ensures high running accuracy and system stability, making it an ideal choice for high-speed and high-reliability machinery.
71828 ACDGC/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71828 | Basic bearing series and size designation (140mm bore, 175mm OD). |
| AC | Angular Contact design with a 25° contact angle. |
| DGC | Universal Matchable (SU) bearing, supplied in a set of two for precise preload matching. |
| P4 | Indicates a high-precision tolerance class for superior running accuracy. |
71828 ACDGC/P4 Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The angular contact design and moderate preload provide exceptional system rigidity, effectively managing both radial and one-direction axial loads. With a dynamic load rating of 9518 lbf and a static load rating of 13162 lbf, it offers reliable performance under demanding conditions.
Optimized High-Speed Performance: The lightweight phenolic cage and precision-ground chrome steel components are engineered for stable operation at high rotational speeds, with a limiting speed of 11,000 rpm.
Precision Engineering: Manufactured to P4 tolerance standards with a 25° contact angle, this bearing ensures minimal runout and vibration, which is critical for high-precision applications.
71828 ACDGC/P4 Bearing Typical Application Areas
The 71828 ACDGC/P4 is ideally suited for high-performance machinery requiring precision and speed, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Robotic Drives and Actuators
