7022 ACD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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7022 ACD/HCP4ADGA Bearing Product Overview & Core Advantages
The 7022 ACD/HCP4ADGA is a high-precision, double row angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. Engineered with a universal matchable (SU) design, it allows for simplified mounting in various configurations. Its core advantages include the ability to simultaneously accommodate combined loads (radial and bidirectional axial loads), a P4A tolerance class for superior running accuracy, and the use of ceramic balls and a phenolic cage to enable high-speed operation and reduced friction. This bearing is pre-lubricated and optimized for high reliability in precision machinery.
7022 ACD/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Standard bore diameter (110 mm) and series designation. |
| ACD | Angular Contact, Double Row design. |
| HC | Hybrid Ceramic, indicating ceramic balls for enhanced performance. |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards. |
| DGA | Universal Matchable (SU) arrangement designation. |
7022 ACD/HCP4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design and a 25° contact angle provide high rigidity and enable the bearing to support significant combined loads and moment loads effectively.
- High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage allows for a high limiting speed of 10,000 rpm, making it an ideal high-speed bearing.
- Precision & Accuracy: Manufactured to a P4A tolerance class with tight dimensional tolerances on the bore diameter, outside diameter, and width, ensuring exceptional running accuracy and system stability.
- Optimized for Matched Sets: The Universal Matchable (SU) feature allows two bearings to be mounted in a back-to-back, face-to-face, or tandem arrangement without selective assembly, simplifying installation and improving performance predictability.
7022 ACD/HCP4ADGA Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications where speed, accuracy, and rigidity are critical. Key industries and equipment include:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Advanced Robotics and Automation Systems
