1213 EKTN9/W64
1200 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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Product Overview and Core Advantages
The 1213 EKTN9/W64 is a metric double row angular contact ball bearing engineered for superior performance in demanding applications. Featuring a 1:12 tapered bore and open construction, this bearing is designed to accommodate radial loads with high precision and reliability. Its double row design provides enhanced rigidity and load-carrying capacity in a compact form factor. Pre-lubricated and manufactured with chrome steel components, it delivers consistent operation within a temperature range of -30°C to 110°C, making it ideal for high-performance industrial systems.
1213 EKTN9/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| EK | Optimized internal design | Enhanced load capacity and operational stability |
| TN9 | Nylon cage, glass fiber reinforced | Reduced friction, suitable for high-speed applications |
| W64 | Special lubrication | Extended service life and maintenance-free operation |
Structural Features and Performance Benefits
High Rigidity and Load Capacity: The double row angular contact construction provides superior radial stiffness, enabling the bearing to handle significant radial loads (dynamic: 7898 lbf, static: 3150 lbf) while maintaining precise shaft positioning.
Optimized High-Speed Performance: The TN9 nylon cage minimizes centrifugal forces and friction, contributing to a limiting speed of 7,000 rpm. Combined with the optimized internal geometry (EK design), it ensures smooth operation at elevated rotational speeds.
Precision Tapered Bore: The 1:12 taper allows for precise interference fit on tapered shafts, ensuring secure mounting and eliminating internal clearance for maximum system rigidity.
Long-Term Reliability: Pre-lubricated with special grease (W64) and constructed from chrome steel rings and balls, the bearing offers consistent performance and extended service life with minimal maintenance requirements.
1213 EKTN9/W64 Bearing Typical Application Areas
- Machine Tool Spindles - Providing high precision and rigidity for machining operations
- Industrial Gearboxes - Supporting shafts under significant radial loads
- Material Handling Equipment - Ensuring reliable performance in conveyor systems
- Agricultural Machinery - Withstanding harsh operating conditions
- Electric Motors - High-speed operation in industrial motor applications
