7024 ACD/P4AQBCA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7024 ACD/P4AQBCA
Basic Information
System of measurement
Metric
Weight
8.52 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
112 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
65475 lbf
Radial static load rating
104625 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
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/P4AQBCA Bearing Product Overview & Core Advantages
The 7024 ACD/P4AQBCA is a precision quadruplex angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. This matched set of four bearings, arranged in a back-to-back (QBC) configuration, provides superior stability and load-handling capabilities. Engineered to an ultra-precise P4A tolerance class with an extra light preload (Class A), it is optimized for high-speed operation up to 10,000 rpm while simultaneously supporting significant combined radial and axial loads. Its open design and phenolic cage make it ideal for high-performance, controlled environments.
7024 ACD/P4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a super-precision tolerance class with specific running accuracy requirements, exceeding ABEC 7/ISO P4 standards. |
| QBC | Denotes a Quadruplex (4-bearing) set in a Back-to-Back arrangement. This configuration provides high moment stiffness and excellent operational stability. |
7024 ACD/P4AQBCA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Stability: The quadruplex back-to-back (QBC) arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise rotational accuracy.
- High Load Capacity: With a dynamic load rating of 65,475 lbf and a static load rating of 104,625 lbf, this bearing is built to handle demanding combined loads. The 25° contact angle is optimized for carrying substantial axial loads in addition to radial loads.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the extra light preload minimizes friction and heat generation, enabling reliable operation at the limiting speed of 10,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, this bearing guarantees consistent, high-precision performance in the most demanding applications.
7024 ACD/P4AQBCA Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-end machinery where utmost accuracy, speed, and rigidity are non-negotiable. Key applications include:
- Machine Tool Spindles for high-speed milling, grinding, and turning centers.
- Precision Gearboxes and transmission systems.
- High-Frequency Machining Centers and robotics.
- Aerospace Positioning Systems and gyroscopes.
- Medical Imaging Equipment such as CT and MRI scanners.
