S7024 ACD/P4ADGC
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7024 ACD/P4ADGC
Basic Information
System of measurement
Metric
Weight
4.31 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
19.05 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
40050 lbf
Radial static load rating
52200 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
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7024 ACD/P4ADGC Bearing Product Overview & Core Advantages
The S7024 ACD/P4ADGC is a precision double-row angular contact ball bearing designed for demanding applications requiring high rigidity and exceptional running accuracy. As a Universal Matchable (SU) bearing supplied in a pre-set pair, it is engineered to accommodate combined radial and axial loads from both directions simultaneously. Its P4A tolerance class ensures ultra-precise dimensions and minimal runout, making it ideal for high-speed spindles and other high-reliability applications where operational precision is critical.
S7024 ACD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7024 | Basic bearing designation, indicating a 120mm bore, 180mm OD, and 56mm width. |
| ACD | Angular Contact, Double-row design. This signifies the bearing's fundamental structure for handling combined loads. |
| P4A | The tolerance class, denoting very high precision for bore, outer diameter, and width, with strict limits on runout. |
| DGC | Indicates the bearing is sealed and pre-lubricated with grease. This provides contamination protection and enables maintenance-free operation. |
S7024 ACD/P4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double-row angular contact design and 25° contact angle provide superior rigidity, enabling the bearing to support significant combined radial and axial loads in both directions without the need for complex mounting arrangements.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class with a phenolic cage, this bearing offers excellent dimensional stability and is optimized for high-speed operation up to 10,000 rpm, minimizing friction and heat generation.
- Long Service Life & Reliability: The combination of chrome steel rings and balls, a sealed design to keep lubricant in and contaminants out, and pre-lubrication with grease ensures consistent performance and an extended operational lifespan in challenging environments.
- Simplified Installation: As a Universal Matchable (SU) pair, these bearings are supplied pre-configured to achieve the required preload and stiffness when mounted face-to-face or back-to-back, simplifying the assembly process for the end-user.
S7024 ACD/P4ADGC Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key applications include:
- Machine Tool Spindles: For CNC machining centers, grinding spindles, and other high-precision metalworking equipment.
- High-Frequency Motors & Spindles: Used in applications requiring rapid acceleration and deceleration.
- Precision Gearboxes: Providing rigid support for shafts under combined loads.
- Industrial Pumps & Compressors: Where reliable, maintenance-free operation is essential.
