S7024 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7024 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
1.78 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
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
8 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:
$ 1834.94
/ each
In Stock
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S7024 ACD/HCP4A Bearing Product Overview & Core Advantages
The S7024 ACD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. This single-row bearing is distinguished by its P4 (ABEC-7) tolerance class and ceramic ball construction, enabling superior performance in high-speed and high-rigidity scenarios. Its 25° contact angle is optimized to handle significant combined loads—both radial and axial—simultaneously. Pre-loaded and pre-lubricated, this bearing offers a compact, ready-to-install solution for precision machinery where minimal runout and long service life are critical.
S7024 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7024 | Basic bearing designation, indicating a 120mm bore, 180mm OD, and 28mm width. |
| AC | Angular Contact design with a 25° contact angle. |
| D | High load capacity internal design. |
| HC | Hybrid Ceramic construction, featuring ceramic balls for reduced weight and higher speed capability. |
| P4A | P4 (ABEC-7) tolerance class, denoting extremely tight dimensional and running accuracy for precision applications. |
S7024 ACD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls significantly reduces centrifugal forces and friction, enabling a high limiting speed of 8,000 rpm. This construction also provides superior resistance to wear and thermal expansion.
- High Rigidity & Load Capacity: The optimized 25° contact angle and robust internal geometry allow the bearing to support substantial combined radial and axial loads, with a dynamic load rating of 24,975 lbf and a static load rating of 26,100 lbf.
- Precision & Stability: Manufactured to P4 (ABEC-7) standards, this bearing ensures minimal vibration and precise running accuracy, which is critical for high-speed spindles.
- Phenolic Cage: The lightweight, high-strength phenolic resin cage provides excellent guidance at high speeds and is well-suited for the demanding operating conditions.
- Sealed & Lubricated: The sealed design and factory-applied lubrication protect against contamination and ensure consistent performance, reducing maintenance needs.
S7024 ACD/HCP4A Bearing Typical Application Areas
- High-Speed Machine Tool Spindles
- Precision Grinding & Milling Machines
- High-Frequency Motors & Spindles
- Advanced Robotics & Automation Systems
- Aerospace & Defense Actuation Systems
- Medical & Dental Equipment Spindles
