7024 CDGA/P4
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
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7024 CDGA/P4 Bearing Product Overview & Core Advantages
The 7024 CDGA/P4 is a single row angular contact ball bearing designed for high-precision and high-speed applications. Manufactured to P4 tolerance class with an extra light preload (Class A), it delivers exceptional rotational accuracy and minimal running noise. Its 15° contact angle is optimized to support significant combined loads, efficiently handling both radial and axial forces. As a Universal Matchable (SU) bearing, it can be precisely paired with another identical bearing to form a pre-loaded duplex set, offering superior system rigidity and performance in demanding configurations.
7024 CDGA/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7024 | Basic Bearing Number | Defines the core dimensions: 120mm bore, 180mm OD, 28mm width. |
| C | 15° Contact Angle | Optimized for combined radial and axial load capacity. |
| DG | Universal Matchable (Duplex Ground) | Bearings are manufactured to be paired in any preload arrangement (DB, DF, DT). |
| A | Extra Light Preload | Minimizes deflection and heat generation for high-speed performance. |
| P4 | Tolerance Class | Denotes super-precision running accuracy and dimensional tolerances. |
7024 CDGA/P4 Bearing Structural Features & Performance Benefits
High-Precision Construction: The bearing is manufactured to P4 tolerance class with extremely tight dimensional control on the bore, outside diameter, and width, ensuring exceptional running accuracy for precision machinery.
Optimized Load Capacity: The 15° contact angle and high-grade chrome steel components provide a high dynamic load rating of 25,650 lbf and static load rating of 27,450 lbf, enabling reliable operation under combined loads.
High-Speed Capability: The lightweight phenolic cage and extra light preload work in tandem to reduce centrifugal forces and friction, supporting a high limiting speed of 16,000 rpm.
Universal Matching Design: The DG suffix indicates the bearing is ground for universal matching. This allows for the creation of stiff, pre-loaded bearing sets (back-to-back, face-to-face, or tandem) to meet specific application rigidity and rotational requirements.
7024 CDGA/P4 Bearing Typical Application Areas
The 7024 CDGA/P4 is engineered for high-performance applications requiring superior precision and speed, including:
- Machine Tool Spindles for CNC milling and grinding machines
- High-Frequency Spindles in PCB drilling and routing equipment
- Precision Gearboxes and robotic actuators
- High-Speed Pumps and compressors
- Aerospace and Defense instrumentation and control systems
