7024 ACE/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7024 ACE/P4ADGB Bearing Product Overview & Core Advantages
The 7024 ACE/P4ADGB is a high-precision angular contact ball bearing manufactured to exacting P4A tolerance class standards. Engineered for applications demanding exceptional rotational accuracy and rigidity, this bearing is universally matchable (SU), allowing two bearings to be paired in a back-to-back (DB), face-to-face (DF), or tandem (DT) arrangement to optimize performance for specific load conditions. Its 25° contact angle and light preload (Class B) make it ideally suited to handle combined loads—significant radial loads alongside high thrust loads in one direction—while maintaining high-speed capability and operational stability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7024 | Basic bearing designation: 120 mm bore, 180 mm OD, 56 mm width. |
| ACE | Internal design code for optimized contact geometry and 25° contact angle. |
| P4A | High-precision tolerance class for bore, outer diameter, and width, ensuring minimal runout and vibration. |
| DGB | Universal Matchable (SU) designation. Two bearings are selectively matched for preload and precision when mounted in any arrangement. |
7024 ACE/P4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and robust construction enable the bearing to support substantial combined radial and axial loads. The universal matching (SU) capability allows for the creation of preloaded sets, significantly increasing system rigidity.
- High-Speed Performance: The lightweight, durable phenolic resin cage minimizes centrifugal forces and ensures stable operation at high rotational speeds, with a limiting speed of 16,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on bore, outer diameter, and width, this bearing guarantees high running accuracy, which is critical for precision spindles.
- Superior Material: Components made from high-grade chrome steel provide excellent hardness, wear resistance, and long service life under demanding conditions.
- Optimized Internal Geometry: The specified ball diameter and quantity are engineered to maximize dynamic load rating (19,890 lbf) and static load rating (23,400 lbf).
7024 ACE/P4ADGB Bearing Typical Application Areas
The 7024 ACE/P4ADGB is designed for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and Industrial Pumps.
- High-Frequency Motors and Spindle Drives.
- Medical Equipment and Aerospace Actuation Systems.
