1206 ETN9/C3
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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1206 ETN9/C3 Bearing Product Overview & Core Advantages
The 1206 ETN9/C3 is a double row angular contact ball bearing designed for applications requiring high precision and reliability. This metric bearing features an open design and is pre-lubricated for immediate operation. Its primary advantage lies in its ability to accommodate significant combined loads—simultaneously handling radial forces and bidirectional axial loads. The double row construction provides enhanced rigidity and load-carrying capacity within a compact envelope, making it ideal for space-constrained, high-performance machinery. The optimized internal geometry and C3 radial internal clearance ensure stable operation under varying thermal conditions.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 1206 | Standard bearing designation indicating a 30mm bore, 62mm OD, and 16mm width. |
| E | Optimized internal design for enhanced load capacity and performance. |
| TN9 | Nylon (polyamide) cage, glass fiber reinforced. Enables smooth operation, reduced friction, and is suitable for high-speed applications. |
| C3 | Greater than normal radial internal clearance. Ideal for applications with expected thermal expansion or where interference fits are used. |
1206 ETN9/C3 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball bearing construction provides superior stiffness and can support substantial combined radial and axial loads from both directions, ensuring precise shaft positioning.
- High-Speed Performance: The lightweight TN9 nylon cage minimizes centrifugal forces, reduces friction, and contributes to a high limiting speed of 15,000 rpm, making it a true high-speed bearing.
- Optimized Material Selection: Components made from chrome steel offer excellent wear resistance and durability, while the cage material ensures quiet and efficient operation.
- Operational Reliability: The bearing comes pre-lubricated and with a C3 clearance, which accommodates thermal expansion during operation, preventing preload and ensuring consistent performance across its specified temperature range.
1206 ETN9/C3 Bearing Typical Application Areas
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Pumps and Compressors
- Material Handling Equipment
- Precision Agricultural Machinery
