1209 EKTN9/W64
1200 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
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Performance
Materials
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1209 EKTN9/W64 Bearing Product Overview & Core Advantages
The 1209 EKTN9/W64 is a metric double row angular contact ball bearing engineered for high-performance applications requiring superior rigidity and precise operation. Featuring a tapered bore (1:12) and open construction, this bearing is designed to handle significant combined radial and axial loads simultaneously. Its optimized internal geometry and nylon cage contribute to excellent high-speed capabilities, making it an ideal choice for demanding industrial environments where precision and reliability are paramount.
Model Code Detailed Explanation
| Code Segment | Technical Meaning |
|---|---|
| 1209 | Standard bearing series designation with 45mm bore diameter and 85mm outside diameter |
| EK | Optimized internal design with enhanced load capacity |
| TN9 | Nylon cage, glass fiber reinforced, suitable for high speeds |
| W64 | Pre-lubricated with special grease for extended service intervals |
1209 EKTN9/W64 Bearing Structural Features & Performance Benefits
Double Row Design: The dual angular contact configuration provides exceptional rigidity and stability, effectively handling combined loads from multiple directions while maintaining precise shaft positioning.
High-Speed Performance: The TN9 nylon cage ensures smooth operation at elevated speeds (up to 11,000 rpm), reducing friction and heat generation while maintaining dimensional stability.
Tapered Bore Advantage: The 1:12 taper enables precise mounting on tapered shafts, ensuring secure fit and optimal load distribution for enhanced bearing performance.
Optimized Lubrication: Pre-lubricated with W64 specialty grease, providing reliable operation across the specified temperature range (-30° to 110°C) without requiring immediate re-lubrication.
1209 EKTN9/W64 Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers requiring rigid support and high rotational accuracy
- Industrial Gearboxes - Power transmission systems demanding reliable performance under combined loads
- Material Handling Equipment - Conveyor systems and automated handling machinery
- Electric Motors - Medium to high-speed motor applications requiring precise shaft guidance
- Pump and Compressor Systems - Industrial fluid handling equipment operating at elevated speeds
