7024 ACD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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7024 ACD/HCP4ADGA Bearing Product Overview & Core Advantages
The 7024 ACD/HCP4ADGA is a precision angular contact ball bearing designed for exceptional performance in demanding applications. This universally matchable (SU) bearing is engineered to handle combined loads with high efficiency, featuring a 25° contact angle for optimal axial load capacity. Its construction with ceramic balls and a phenolic cage enables superior high-speed operation up to 10,000 rpm, while the P4A tolerance class ensures extreme running accuracy and high rigidity. Pre-lubricated and operating within a wide temperature range, it offers reliable, long-lasting performance.
Model Code Breakdown
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | Angular Contact Design | Optimized for combined radial and axial loads |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Enhanced speed capability, reduced friction, and longer service life |
| P4A | Super Precision Tolerance Class | Guarantees extreme dimensional and running accuracy for high-precision applications |
| DGA | Universal Matchable (SU designation) | Can be mounted in any combination (back-to-back, face-to-face, or tandem) without pre-load loss |
7024 ACD/HCP4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact design and 25° contact angle provide high rigidity, enabling the bearing to support significant combined loads (radial and axial) simultaneously. With a dynamic load rating of 40,050 lbf and static load rating of 52,200 lbf, it is built for demanding operational conditions.
Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage significantly lowers friction and inertia, allowing for a high limiting speed of 10,000 rpm. This makes it an ideal high-speed bearing.
Precision & Accuracy: Manufactured to P4A super precision standards with tight bore, outside diameter, and width tolerances, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
Pre-Lubricated & Wide Temperature Range: The bearing comes pre-lubricated, facilitating easy installation and immediate operation. It is capable of functioning reliably across a broad temperature range from -30°C to 110°C.
7024 ACD/HCP4ADGA Bearing Typical Application Areas
The 7024 ACD/HCP4ADGA is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key application areas include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme accuracy and rigidity.
- High-Frequency Motors & Spindles: Used in electric motors and motorized spindles that operate at very high rotational speeds.
- Precision Instrumentation: Critical components in measuring devices, optical scanners, and laboratory equipment.
- Aerospace & Defense Systems: Applications such as gyroscopes, radar systems, and auxiliary power units (APUs) that demand high reliability.
- Industrial Pumps & Compressors: For handling high axial and radial loads in turbo-machinery and high-flow pump systems.
