S7210 ACD/P4AQGB
Sealed Super Precision Angular Contact Ball Bearings
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S7210 ACD/P4AQGB Bearing Product Overview & Core Advantages
The S7210 ACD/P4AQGB is a precision angular contact ball bearing designed for high-performance applications requiring exceptional accuracy and reliability. This double row bearing features a 25° contact angle and light preload (Class B), enabling it to simultaneously handle significant combined radial and axial loads from both directions. Its P4A tolerance class ensures ultra-precision operation, while the sealed construction with phenolic cage makes it ideal for high-speed applications up to 34,000 rpm, offering superior rigidity and long-term performance stability.
S7210 ACD/P4AQGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | Angular Contact, Double Row | Provides high rigidity and capacity for combined loads |
| P4A | High Precision Tolerance Class | Ensures exceptional running accuracy and minimal vibration |
| Q | Optimized Internal Geometry | Enhanced performance through optimized contact conditions |
| GB | Grease Lubrication | Pre-lubricated for immediate operation and reduced maintenance |
S7210 ACD/P4AQGB Bearing Structural Features & Performance Benefits
Double Row Design: The dual raceway configuration provides high rigidity and stability, making it suitable for applications requiring precise shaft positioning and minimal deflection under load.
Enhanced Load Capacity: With a 25° contact angle and optimized internal geometry, this bearing efficiently handles combined radial and axial loads in both directions, supported by impressive dynamic (25,200 lbf) and static (29,025 lbf) load ratings.
High-Speed Performance: The phenolic cage and precision manufacturing enable operation at limiting speeds of 34,000 rpm, while the sealed construction retains lubrication and protects against contamination.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore: -0.004mm to 0), this bearing delivers exceptional running accuracy for demanding applications.
S7210 ACD/P4AQGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers requiring rigidity and accuracy
- Precision Grinding Spindles - Applications demanding minimal runout and vibration
- High-Speed Industrial Pumps - Where combined loads and reliability are critical
- Compressor Systems - For handling axial and radial forces in rotating assemblies
- Robotic Positioning Systems - Requiring precise motion control and high rigidity
- Medical Equipment - High-speed dental handpieces and precision instruments
