S7024 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7024 ACB/P4A
Basic Information
System of measurement
Metric
Weight
2.35 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
120 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.01mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
33
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8055 lbf
Radial static load rating
8212 lbf
Limiting speed
8.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1835.07
/ each
In Stock
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S7024 ACB/P4A Bearing Product Overview & Core Advantages
The S7024 ACB/P4A is a precision single-row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is ideally suited for high-speed spindles and other precision machinery. Its key advantage lies in its ability to accommodate combined loads—significant radial loads and substantial thrust loads in one direction—thanks to its 25° contact angle. The bearing comes preloaded and lubricated from the factory, ensuring immediate, reliable performance and simplifying installation.
S7024 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| ACB | Specific internal design and contact angle (25°) | Optimized for high thrust capacity and rigidity. |
| P4A | Tolerance class P4 (ABEC-7) with specific running accuracy requirements. | Guarantees ultra-precise rotation, low vibration, and low noise for high-performance applications. |
S7024 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The single-row design with a 25° contact angle provides excellent resistance to deflection under heavy combined loads. It offers a high radial dynamic load rating of 8055 lbf and a radial static load rating of 8212 lbf.
- Superior High-Speed Performance: The lightweight and durable phenolic resin cage ensures stable operation and minimal centrifugal force at high speeds, contributing to a limiting speed of 8,500 rpm.
- Precision Engineering: Manufactured to P4 tolerance with tight dimensional control on the bore diameter (120mm), outside diameter (180mm), and width (28mm) for predictable and consistent performance.
- Optimized Internal Geometry: The design, featuring 33 balls with a ball diameter of 11.112 mm made from chrome steel, ensures smooth operation and long service life.
S7024 ACB/P4A Bearing Typical Application Areas
This bearing is a premier choice for high-performance machinery where precision and speed are critical. Key applications include:
- Machine Tool Spindles: For CNC machining centers, grinders, and lathes requiring high rigidity and running accuracy.
- High-Frequency Motors and Spindles: Ideal for applications demanding a high limiting speed.
- Precision Gearboxes and Pumps: Where reliable operation under combined loads is essential.
- Aerospace and Medical Equipment: In components that demand the utmost reliability and precision.
