7022 CD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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7022 CD/P4A Bearing Product Overview & Core Advantages
The 7022 CD/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 (ABEC-7) tolerance class, this bearing is designed to accommodate high combined loads, primarily thrust loads in one direction, while also supporting significant radial loads. Its 15° contact angle optimizes it for high-speed operation, making it a superior choice for machine tool spindles and other demanding equipment where precision and reliability are paramount.
7022 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing series, defining the standard dimensions: 110 mm bore, 170 mm OD, 28 mm width. |
| CD | Indicates a specific internal design with optimized contact angle and internal geometry for high stiffness and precise operation. |
| P4A | Denotes a high-precision tolerance class equivalent to ABEC-7. This ensures extremely tight dimensional and running accuracy for superior performance. |
7022 CD/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The phenolic resin cage and precision-ground chrome steel components contribute to exceptional dimensional stability and low vibration levels, essential for high-speed and high-rigidity applications.
Superior Load Capacity: With a radial dynamic load rating of 24,975 lbf and a static load rating of 24,300 lbf, this bearing is built to handle significant combined loads reliably.
Optimized for High Speeds: The combination of the 15° contact angle, lightweight phenolic cage, and pre-lubrication allows for a high limiting speed of 12,000 rpm, making it ideal for demanding spindle applications.
Preload and Matched Arrangement: The bearing is supplied with a preload, which increases system stiffness and minimizes axial and radial runout, enhancing machining accuracy. It is supplied as a single unit for simplified mounting.
7022 CD/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for high-performance machinery and systems, including:
- Machine Tool Spindles (milling, grinding, and turning centers)
- High-Frequency Motors and Spindles
- Precision Gearboxes
- Industrial Pumps and Compressors
- Robotic Arms and Precision Positioning Systems
