S7022 ACDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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S7022 ACDGA/HCP4A Bearing Product Overview & Core Advantages
The S7022 ACDGA/HCP4A is a super-precision double row angular contact ball bearing engineered for the most demanding high-speed and high-rigidity applications. Its design excels at simultaneously handling combined radial and axial loads from both directions. Featuring a compact cross-section, ceramic balls, and a P4A tolerance class, it delivers exceptional rotational accuracy, thermal stability, and long-term reliability in precision machinery.
S7022 ACDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7022 | Series designation for a 110mm bore, 170mm OD double row angular contact ball bearing. |
| AC | 25° contact angle. |
| D | Double row design. |
| GA | Universal Matchable (SU) bearing, one of a set of 3 for preloaded arrangements. |
| HC | Hybrid Ceramic: Ceramic balls with steel rings. |
| P4A | Super-precision tolerance class, exceeding ABEC 7/ISO P4, with enhanced running accuracy. |
S7022 ACDGA/HCP4A Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design provides superior radial and axial stiffness, enabling stable support under complex combined loads. The 25° contact angle is optimized for substantial axial load carrying capacity in both directions.
High-Speed & Thermal Performance: The lightweight phenolic cage and low-density ceramic balls significantly reduce centrifugal forces, allowing for a high limiting speed of 16,000 rpm. Hybrid construction also minimizes heat generation and provides superior performance across the specified temperature range.
Precision & Longevity: Manufactured to P4A tolerances, this bearing ensures minimal runout and vibration. The sealed design with grease lubrication protects against contamination and provides long-term, maintenance-free operation.
S7022 ACDGA/HCP4A Bearing Typical Application Areas
- High-Frequency Machine Tool Spindles (Milling, Grinding, Drilling)
- Precision Robotics and Automated Guidance Systems
- High-Speed Motors and Spindle Drives
- Aerospace Instrumentation and Control Systems
- Medical Equipment such as Dental Handpieces and Centrifuges
