2205 EKTN9/C3
2200 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
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2205 EKTN9/C3 Bearing Product Overview & Core Advantages
The 2205 EKTN9/C3 is a metric double row angular contact ball bearing engineered for applications requiring high precision and reliability. Featuring a 1:12 tapered bore for secure shaft mounting, this bearing excels at handling combined radial and axial loads simultaneously. Its compact design with an 18mm width provides excellent space efficiency, while the C3 radial internal clearance and specialized lubrication make it suitable for applications with thermal expansion considerations. Manufactured from chrome steel with a nylon cage, it delivers robust performance across a wide temperature range from -30° to 110°C.
2205 EKTN9/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 2205 | Standard bearing size designation (25mm bore, 52mm OD) | Standardized dimensions for easy replacement and integration |
| EK | Optimized internal design with reinforced structure | Enhanced load capacity and operational stability |
| TN9 | Nylon cage, glass fiber reinforced | Reduced friction, excellent high-speed capability, and corrosion resistance |
| C3 | Greater than normal radial internal clearance | Accommodates thermal expansion in high-temperature applications |
2205 EKTN9/C3 Bearing Structural Features & Performance Benefits
Double Row Design: The double row angular contact configuration provides significantly higher rigidity compared to single row bearings, making it ideal for applications requiring precise shaft positioning and minimal deflection under load.
Enhanced Load Capacity: With a radial dynamic load rating of 3780 lbf and static rating of 990 lbf, this bearing effectively handles combined radial and axial loads in both directions, eliminating the need for complex bearing arrangements.
High-Speed Performance: The TN9 nylon cage ensures smooth operation at limiting speeds up to 18,000 rpm, reducing centrifugal forces and maintaining stability during high-speed rotation.
Tapered Bore Mounting: The 1:12 tapered bore provides secure interference fit when mounted on adapter sleeves, ensuring precise alignment and eliminating fretting corrosion.
Optimized Internal Clearance: The C3 clearance accommodates thermal expansion in applications where operating temperatures vary significantly, preventing premature bearing failure due to excessive preload.
2205 EKTN9/C3 Bearing Typical Application Areas
- Electric Motors and Generators: High-speed spindle applications requiring precise rotor positioning
- Industrial Gearboxes: Power transmission systems demanding high rigidity and load capacity
- Material Handling Equipment: Conveyor systems and pulley assemblies with combined loading conditions
- Agricultural Machinery: Implement drives and PTO shafts operating under varying thermal conditions
- Industrial Fans and Blowers: High-speed rotating equipment requiring reliable bearing performance
- Machine Tool Accessories: Auxiliary drives and positioning mechanisms
