S7008 ACD/P4ADT
Sealed Super Precision Angular Contact Ball Bearings
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S7008 ACD/P4ADT Bearing Product Overview & Core Advantages
The S7008 ACD/P4ADT is a precision duplex tandem angular contact ball bearing designed for high-performance applications requiring exceptional rigidity and accuracy. This matched set bearing features a 25° contact angle and P4A tolerance class, enabling it to handle combined radial and axial loads simultaneously with superior running accuracy. Its sealed design with preload ensures optimal performance in high-speed operations up to 41,000 rpm, making it ideal for machine tool spindles and other precision machinery.
S7008 ACD/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | Angular Contact Duplex | Optimized for combined load capacity and high rigidity |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability |
| DT | Duplex Tandem Arrangement | Enhanced axial load capacity in one direction |
S7008 ACD/P4ADT Bearing Structural Features & Performance Benefits
High Rigidity & Precision: The duplex tandem arrangement with P4A tolerance class provides exceptional stiffness and running accuracy, essential for precision applications. The 25° contact angle optimizes load distribution between radial and axial directions.
Enhanced Load Capacity: With a dynamic load rating of 5850 lbf and static load rating of 4680 lbf, this bearing efficiently handles combined loads while maintaining performance stability.
High-Speed Performance: The phenolic cage material and optimized internal design enable reliable operation at limiting speeds up to 41,000 rpm, making it suitable for high-speed spindle applications.
Sealed & Pre-lubricated: Factory-sealed construction with grease lubrication provides contamination protection and extends service life, operating effectively within a temperature range of -30°C to 110°C.
S7008 ACD/P4ADT Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and CNC equipment
- Precision Grinding Spindles: Applications requiring extreme accuracy and rigidity
- High-Speed Motors: Industrial motors operating at elevated speeds
- Aerospace Components: Critical rotating assemblies demanding reliability
- Medical Equipment: High-speed dental handpieces and surgical tools
- Robotic Systems: Precision joints and rotary actuators
