71817 ACDGC/P4
71800 Series Super Precision Angular Contact Ball Bearings
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71817 ACDGC/P4 Bearing Product Overview & Core Advantages
The 71817 ACDGC/P4 is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Engineered to a P4 tolerance class, this bearing excels in handling combined loads (radial and axial) simultaneously. Its single-row design with a 25° contact angle and moderate preload (Class C) ensures high operational stability and precise rotational accuracy. The use of a phenolic cage contributes to its suitability for high-speed operation, making it an ideal component for high-performance machinery.
71817 ACDGC/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| AC | Angular Contact | Optimized for combined radial and axial loads. |
| D | High Contact Angle (25°) | Provides superior axial load capacity. |
| GC | Moderate Preload (Class C) | Enhances rigidity and reduces system deflection. |
| P4 | High Precision Tolerance Class | Ensures extremely tight running accuracy for demanding applications. |
71817 ACDGC/P4 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The P4 tolerance class and moderate preload work in concert to deliver exceptional system stiffness and minimal runout, which is critical for maintaining precision under load.
- Superior Load Capacity: With a 25° contact angle, this bearing is engineered to handle significant axial loads in one direction while also supporting substantial radial loads, making it ideal for combined load scenarios.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, allowing for a high limiting speed of 28,000 rpm. The open design facilitates efficient lubrication management at these speeds.
- Universal Matchability (SU): This bearing is universally matchable, allowing two bearings to be arranged in tandem, back-to-back, or face-to-face configurations to optimize performance for specific application requirements, such as increased load capacity or moment stiffness.
71817 ACDGC/P4 Bearing Typical Application Areas
The 71817 ACDGC/P4 is specified for high-performance applications where precision, speed, and rigidity are paramount. Key industries and machinery include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Gearboxes: Especially in robotics and aerospace actuation systems.
- High-Frequency Motors and Spindles: Used in PCB drilling and semiconductor manufacturing equipment.
- Medical and Laboratory Equipment: Such as high-speed centrifuges and imaging devices.
