7022 CE/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7022 CE/P4ADGA Bearing Product Overview & Core Advantages
The 7022 CE/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. Engineered to the P4A tolerance class, it offers superior dimensional stability and running accuracy. Its key advantage lies in its ability to accommodate combined loads (simultaneous radial and axial loads) efficiently. The universal matchable (SU) design allows for flexible mounting arrangements in pairs, providing high system rigidity. With its extra light preload (Class A), it is optimized for high-speed operation while minimizing friction and heat generation.
7022 CE/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing series, indicating metric dimensions: 110mm bore, 170mm OD, 56mm width |
| C | 15° contact angle, optimized for combined load capacity |
| E | Optimized internal design for enhanced performance |
| P4A | High precision tolerance class with enhanced running accuracy and dimensional stability |
| DGA | Universal matchable bearing designation for paired mounting (SU arrangement) |
7022 CE/P4ADGA Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with strict dimensional controls (bore/OD tolerance: -0.004mm to 0) ensures exceptional running accuracy and system stability.
Superior Load Capacity: The 15° contact angle and optimized internal geometry provide excellent combined load capacity (Radial dynamic: 17,122 lbf, Static: 20,250 lbf), making it suitable for applications with significant radial and axial force components.
High-Speed Capability: The phenolic cage and extra light preload (Class A) configuration enable high-speed operation up to 10,000 rpm, reducing friction and heat generation while maintaining stability.
Universal Matching Design: As a universal matchable (SU) bearing, it can be paired in various configurations (back-to-back, face-to-face, or tandem) to create high rigidity bearing systems tailored to specific application requirements.
Premium Materials: Chrome steel rings and balls provide excellent durability and fatigue resistance, while the phenolic cage offers superior strength and lubrication compatibility.
7022 CE/P4ADGA Bearing Typical Application Areas
The 7022 CE/P4ADGA precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Gearboxes - Industrial transmission systems requiring high accuracy and rigidity
- High-Speed Motors - Electric motors and generators operating at elevated speeds
- Robotics and Automation - Industrial robots and automated positioning systems
- Aerospace Components - Aircraft auxiliary systems and precision mechanisms
- Medical Equipment - High-speed dental handpieces and medical imaging devices
