S7024 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7024 ACB/HCP4A
Basic Information
System of measurement
Metric
Weight
2.24 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
11.112 mm
Ball quantity
33
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8055 lbf
Radial static load rating
8212 lbf
Limiting speed
10 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:
$ 1529.59
/ each
In Stock
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S7024 ACB/HCP4A Bearing Product Overview & Core Advantages
The S7024 ACB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. This sealed bearing features a single, preloaded design optimized to handle combined loads (radial and axial) simultaneously. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and thermal stability, making it an ideal solution for high-rigidity, high-RPM machinery where operational consistency is critical.
S7024 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7024 | Basic bearing series and size designation (120mm bore, 180mm OD). |
| ACB | Angular Contact Bearing with a 25° contact angle and preload. |
| HCP4A | Hybrid Ceramic (Silicon Nitride) balls, Phenolic cage, and P4 (ABEC-7) tolerance class. |
S7024 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The preloaded single arrangement and 25° contact angle provide high axial and radial stiffness, enabling stable operation under combined loads.
- Superior High-Speed Performance: The lightweight phenolic cage and low-density ceramic balls reduce centrifugal forces, allowing for a high limiting speed of 10,000 rpm.
- Enhanced Durability and Thermal Stability: Ceramic ball material offers excellent wear resistance and maintains dimensional stability across the operating temperature range of -30°C to 110°C.
- Maintenance-Free Operation: As a sealed and lubricated bearing, it is protected from contamination and is ready for long-term service without relubrication.
S7024 ACB/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Aerospace Actuation Systems
