1311 EKTN9
1300 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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1311 EKTN9 Bearing Product Overview & Core Advantages
The 1311 EKTN9 is a double row angular contact ball bearing designed for applications requiring high precision and reliability. Engineered to simultaneously handle combined loads (both radial and axial forces), this bearing features an open design optimized for performance in demanding environments. Its compact structure and robust construction make it ideal for high-speed operations where high rigidity and dimensional stability are critical.
1311 EKTN9 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Advantage |
|---|---|---|
| EK | Optimized internal design | Enhanced load capacity and operational stability |
| TN9 | Nylon cage, glass fiber reinforced | Excellent high-speed performance and reduced friction |
1311 EKTN9 Bearing Structural Features & Performance Benefits
High Rigidity Design: The double row angular contact configuration provides superior stiffness, enabling precise shaft positioning and minimal deflection under heavy combined loads.
Enhanced Load Capacity: Engineered to handle significant radial dynamic loads (11,408 lbf) and axial loads simultaneously, making it suitable for complex loading conditions.
High-Speed Performance: The TN9 nylon cage reduces rotational mass and friction, contributing to the impressive limiting speed of 7,500 rpm while maintaining operational stability.
Precision Engineering: Manufactured with tight dimensional tolerances and premium chrome steel components, ensuring consistent performance and long service life.
1311 EKTN9 Bearing Typical Application Areas
- Machine tool spindles and precision machining equipment
- Industrial pumps and compressor systems
- Material handling equipment and conveyor systems
- Electric motors and gearboxes
- Agricultural machinery and construction equipment
