7024 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7024 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
1.76 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
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
19.05 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
24975 lbf
Radial static load rating
26100 lbf
Limiting speed
12 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1529.53
/ each
In Stock
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7024 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7024 ACD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. Its design enables it to accommodate combined loads (simultaneous radial and axial loads) efficiently. Featuring a P4 (ABEC-7) tolerance class, ceramic balls, and a phenolic cage, this bearing is optimized for high-speed operation and offers superior rigidity. The preloaded, single arrangement ensures consistent performance and minimal deflection under load, making it ideal for high-reliability, precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7024 | Basic bearing series, indicating a 120mm bore, 180mm OD, and 28mm width. |
| AC | Angular Contact design with a 25° contact angle. |
| D | The bearing is supplied with a preload for high rigidity and precise running accuracy. |
| HC | Hybrid Ceramic, indicating the use of ceramic balls for reduced weight, lower friction, and higher speed capability. |
| P4A | Denotes a P4 (ABEC-7) tolerance class, signifying very high precision levels for dimensional and running accuracy. |
7024 ACD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The angular contact design, combined with a factory-applied preload, provides superior stiffness and minimizes axial and radial play, which is critical for maintaining accuracy in precision spindles.
- Enhanced Speed and Performance: The hybrid ceramic construction (steel rings with ceramic balls) reduces centrifugal forces, lowers operating temperatures, and allows for a higher limiting speed of 12,000 rpm. The phenolic cage offers excellent strength-to-weight ratio and is well-suited for high-speed applications.
- Superior Load Capacity: With a 25° contact angle, this bearing is optimized to handle significant combined loads, including heavy thrust loads in one direction.
- Optimized for Precision Applications: Manufactured to P4 tolerance, this bearing ensures minimal runout and vibration, contributing to the overall accuracy and surface finish of the machined part.
7024 ACD/HCP4A Bearing Typical Application Areas
This high-performance precision bearing is ideally suited for:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- High-Speed Motors and Drives: Electric spindles and precision servo motors.
- Aerospace and Defense Systems: Gyroscopes, radar equipment, and navigation systems.
- Medical Equipment: High-speed dental handpieces and laboratory centrifuges.
- Robotics: Precision joints and arms requiring high rigidity and accuracy.
