7024 CEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7024 CEGA/P4A Bearing Product Overview & Core Advantages
The 7024 CEGA/P4A is a single row angular contact ball bearing engineered for applications demanding exceptional precision and reliability. Operating under the P4A super-precision tolerance class, this bearing is designed to handle primarily axial loads in one direction, as well as combined radial and axial loads. Its extra light preload (Class A) minimizes deflection and ensures smooth, quiet operation at high speeds. Manufactured from chrome steel and featuring a phenolic resin cage, it is optimized for high-speed performance and is universally matchable (SU), allowing for precise axial rigidity control when mounted in pairs. This makes it an ideal solution for high-precision spindles and other critical machinery.
7024 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7024 | Basic bearing designation indicating a 120 mm bore, 180 mm OD, and 28 mm width. |
| CE | Designates a 15° contact angle and specific internal design optimized for high-speed operation. |
| GA | Indicates the bearing is supplied with a universal match (SU) designation, allowing for flexible mounting arrangements in pairs without pre-selection. |
| P4A | Denotes the super-precision tolerance class, with extremely tight dimensional and running accuracy tolerances for the highest level of performance. |
7024 CEGA/P4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of a lightweight phenolic resin cage, a 15° contact angle, and optimized internal geometry enables a high limiting speed of 16,000 rpm, making it suitable for demanding spindle applications.
- Super-Precision Performance: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for achieving superior surface finishes and machining accuracy.
- Optimized Load Capacity: The angular contact design is engineered to efficiently support combined loads, with a high dynamic load rating of 12,870 lbf for long service life under demanding conditions.
- Universal Matching (SU): This feature allows two identical bearings to be mounted in tandem, back-to-back, or face-to-face arrangements to handle bidirectional axial loads and increase system rigidity without the need for selective pairing.
- Pre-Lubricated & Open Design: The bearing comes pre-lubricated for immediate operation and features an open seal type, which is ideal for applications where the bearing will be integrated into a centralized lubrication system.
7024 CEGA/P4A Bearing Typical Application Areas
The 7024 CEGA/P4A is predominantly used in high-precision, high-speed machinery where accuracy and reliability are paramount. Key applications include:
- Machine Tool Spindles: For CNC machining centers, grinding spindles, and milling machines.
- High-Frequency Motors and Spindles: Used in applications requiring rapid acceleration and deceleration.
- Precision Instrumentation: In medical devices, measuring equipment, and optical systems.
- Turbochargers and Compressors: Where high rotational speeds and temperature stability are required.
