S7009 CE/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
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S7009 CE/P4ADGA Bearing Product Overview & Core Advantages
The S7009 CE/P4ADGA is a high-precision double row angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. Engineered to simultaneously withstand combined radial and bidirectional axial loads, this bearing features a compact design that saves space while delivering high reliability. Its P4A tolerance class ensures superior running accuracy, making it an ideal choice for high-speed spindles and other precision machinery where minimal runout and vibration are critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7009 | Basic bearing series designation |
| C | 15° contact angle design |
| E | Optimized internal design |
| P4A | High precision tolerance class |
| DGA | Sealed design with grease lubrication |
S7009 CE/P4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact design provides significantly higher rigidity than single row bearings, enabling stable operation under combined radial and axial loads from both directions. With a 15° contact angle and extra light preload (Class A), it offers optimal stiffness for precision applications.
High-Speed Performance: The phenolic resin cage ensures excellent high-speed capability with low friction and minimal centrifugal forces, contributing to the bearing's limiting speed of 41,000 rpm. The optimized internal geometry further enhances high-speed stability.
Maintenance-Free Operation: Factory-sealed construction with pre-applied high-quality grease provides long-term lubrication without requiring maintenance. The sealed design effectively protects against contamination while operating within a temperature range of -30°C to 110°C.
Universal Matching Capability: Designed as Universal Matchable (SU) bearings, they can be paired in various configurations without special selection, simplifying installation and ensuring optimal performance in matched sets.
S7009 CE/P4ADGA Bearing Typical Application Areas
The S7009 CE/P4ADGA is particularly suited for high-precision, high-speed applications including:
- Machine tool spindles and high-speed machining centers
- Precision grinding spindles and milling spindles
- Industrial pumps and compressors
- High-frequency motors and servo drives
- Medical equipment and laboratory instruments
- Robotics and automation systems
