7024 ACDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7024 ACDGA/HCP4A
Basic Information
System of measurement
Metric
Weight
1.76 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
28 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
24975 lbf
Radial static load rating
26100 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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Product Overview and Core Advantages
The 7024 ACDGA/HCP4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered to accommodate combined loads (radial and axial loads simultaneously), this bearing features a 25° contact angle for optimal axial load capacity. Its extra light preload (Class A) ensures minimal deflection and smooth operation, making it ideal for high-rigidity and high-speed applications. Manufactured to P4A tolerance class, it guarantees superior dimensional stability and running accuracy.
7024 ACDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7024 | Standard bearing series designation (120mm bore, 180mm OD) |
| AC | Angular Contact design |
| DGA | Universal Matchable bearing, supplied in a set of 3 for preload adjustment |
| HCP4A | High Precision tolerance class (P4A) with phenolic cage and ceramic balls |
Structural Features and Performance Benefits
- High Rigidity and Precision: The P4A tolerance class and extra light preload provide exceptional dimensional accuracy and stiffness, minimizing deflection under load for superior positioning performance.
- Enhanced Load Capacity: The 25° contact angle and optimized internal geometry enable efficient handling of combined radial and axial loads.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, enabling a high limiting speed of 10,000 rpm.
- Reduced Maintenance: The bearing is pre-lubricated and operates effectively within a wide temperature range of -30°C to 110°C, ensuring long service life with minimal maintenance.
7024 ACDGA/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles for high-precision machining centers
- High-Speed Spindles in grinding and milling applications
- Precision Robotics and automation equipment
- Medical Equipment such as CT scanners and dental drills
- Aerospace Actuation Systems requiring high reliability and accuracy
