7024 ACD/P4ALDT
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7024 ACD/P4ALDT
Basic Information
System of measurement
Metric
Weight
4.26 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
120 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.004mm to 0
Width
56 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
40050 lbf
Radial static load rating
52200 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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7024 ACD/P4ALDT Bearing Product Overview & Core Advantages
The 7024 ACD/P4ALDT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This duplex tandem (DT) arrangement consists of two matched bearings, preloaded to deliver superior high rigidity and handle significant combined loads. Its P4A tolerance class ensures ultra-precise rotational accuracy, making it ideal for high-speed spindles and other precision machinery where minimal runout and maximum stability are critical.
7024 ACD/P4ALDT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle for optimal axial load capacity. |
| D | Duplex arrangement, indicating two bearings are supplied as a matched set. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards for exceptional dimensional and running accuracy. |
| L | Light preload applied to the duplex tandem arrangement, enhancing system rigidity and minimizing axial/radial play. |
| DT | Duplex Tandem mounting. Bearings are arranged to face the same direction, increasing axial load capacity in one direction. |
7024 ACD/P4ALDT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement with light preload creates an exceptionally stiff bearing system, capable of handling high combined radial and axial loads. The 25° contact angle is optimized for substantial thrust loads.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class with a phenolic cage, this bearing ensures smooth operation, reduced vibration, and is suitable for high-speed applications up to 10,000 rpm.
- Superior Material & Construction: Made from chrome steel for both rings and balls, the bearing offers high durability and fatigue resistance. The open design allows for customized lubrication schemes to further optimize performance for specific operating conditions.
- Matched Set Simplicity: Supplied as a pre-configured duplex tandem pair, it simplifies installation, guarantees optimal performance, and ensures the specified preload is accurately achieved.
7024 ACD/P4ALDT Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications demanding extreme rotational accuracy and rigidity.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motors.
- Industrial Pumps & Compressors: Where reliable operation under significant axial and radial loads is required.
