S7024 ACE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7024 ACE/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
4.07 kg
Tolerance class
P4A
Seal type
Sealed
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
56 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
29
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
19890 lbf
Radial static load rating
23400 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7024 ACE/HCP4ADGA Bearing Product Overview & Core Advantages
The S7024 ACE/HCP4ADGA is a super-precision angular contact ball bearing engineered for the most demanding high-speed and high-rigidity applications. Its universal matchable (SU) design allows for flexible mounting in duplex pairs to support combined loads, including significant radial and bidirectional axial loads. Featuring a P4A tolerance class and a 25° contact angle, this bearing delivers exceptional rotational accuracy and operational stability, making it ideal for high-reliability machinery where performance is critical.
S7024 ACE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | 25° contact angle and enhanced internal design for optimized performance. |
| HC | Hybrid Ceramic: Features ceramic balls for reduced friction, higher speed capability, and longer service life. |
| P4A | Super-precision tolerance class, exceeding ABEC 7/ISO P4 standards for exceptional running accuracy. |
| DGA | Sealed on both sides and pre-lubricated with grease, offering a maintenance-free, long-service-life solution. |
S7024 ACE/HCP4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides superior rigidity, enabling stable support for combined loads (radial and axial) in both directions. The universal matchable (SU) feature allows two bearings to be paired for even greater load-carrying capacity and moment stiffness.
- Ultra-High-Speed Performance: The combination of ceramic balls and a lightweight phenolic cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 10,000 rpm. This makes it an ideal high-speed bearing.
- Extended Service Life & Reliability: The hybrid ceramic construction is electrically resistant and less prone to wear. The integral seals and factory-applied grease lubrication protect against contamination and ensure consistent performance across a wide temperature range (-30°C to 110°C), resulting in a long-lasting, maintenance-free solution.
- Super-Precision: Manufactured to P4A tolerance class with a bore and outside diameter tolerance of -0.004mm to 0, this bearing guarantees minimal runout and vibration for ultra-smooth operation.
S7024 ACE/HCP4ADGA Bearing Typical Application Areas
This precision bearing is specifically designed for high-performance machinery, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- High-Frequency Motors & Spindles: Where extreme rotational accuracy and speed are required.
- Precision Instrumentation: Including medical devices and optical equipment.
- Aerospace & Defense Systems: For gyroscopes, radar systems, and other critical components.
