7022 ACD/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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7022 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7022 ACD/P4ADGB is a precision double row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, it excels in handling combined loads—simultaneously supporting significant radial and bidirectional axial loads. Its universal matchable (SU) design allows for flexible mounting arrangements, simplifying installation and ensuring optimal performance. With a light preload (Class B) and a phenolic cage, this bearing is optimized for high-speed operation and stable performance in demanding industrial environments.
7022 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Standard bore diameter (110 mm) and series designation. |
| AC | Angular Contact design with a 25° contact angle. |
| D | Double row configuration for high rigidity and increased load capacity. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards for superior running accuracy. |
| DB | Universal Matchable (SU) arrangement designation. Two bearings are supplied as a matched set. |
7022 ACD/P4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides a robust and rigid structure, enabling the bearing to handle heavy combined loads with minimal deflection. The 25° contact angle is optimized for efficient axial load transmission.
- Precision & High-Speed Performance: Manufactured to P4A tolerances, this bearing ensures minimal runout and vibration. The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 10,000 rpm, making it an ideal high-speed bearing.
- Universal Matching & Ease of Installation: The Universal Matchable (SU) designation means the two supplied bearings can be mounted in various configurations (back-to-back, face-to-face, or tandem) to suit specific application needs for preload and stiffness, offering exceptional design flexibility.
- Material & Construction: Constructed from high-grade chrome steel for rings and balls, ensuring durability and long service life under demanding operating conditions.
7022 ACD/P4ADGB Bearing Typical Application Areas
The 7022 ACD/P4ADGB is engineered 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: In robotics, aerospace, and other high-accuracy drive systems.
- High-Frequency Motors and Spindles: Where minimal vibration and high rotational accuracy are required.
- Medical Equipment: Such as CT scanners and high-speed dental handpieces.
- Pumps and Compressors: For handling axial and radial loads in demanding fluid-handling systems.
