1305 ETN9/C3
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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1305 ETN9/C3 Bearing Product Overview & Core Advantages
The 1305 ETN9/C3 is a double row angular contact ball bearing designed for applications requiring high rigidity and the ability to handle combined loads. Its metric design features a 25mm bore diameter and compact 17mm width, making it ideal for space-constrained installations. This precision bearing is engineered to support significant radial loads while maintaining stable operation. The C3 radial internal clearance and optimized nylon cage contribute to its reliable performance in various industrial environments.
1305 ETN9/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1305 | Basic bearing designation indicating size series and bore diameter |
| E | Optimized internal design for enhanced load capacity |
| TN9 | Glass fiber reinforced nylon cage, suitable for high-speed applications |
| C3 | Greater radial internal clearance than normal group |
1305 ETN9/C3 Bearing Structural Features & Performance Benefits
High Rigidity Design: The double row construction provides superior stiffness 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 4275 lbf and radial static load rating of 1215 lbf, this bearing delivers reliable performance in demanding applications.
High-Speed Capability: The TN9 nylon cage enables operation at limiting speeds up to 15,000 rpm, while the optimized internal geometry reduces friction and heat generation.
Precision Engineering: Manufactured from chrome steel with tight dimensional tolerances, ensuring consistent performance and long service life in precision applications.
1305 ETN9/C3 Bearing Typical Application Areas
- Electric Motors and motorized spindles
- Industrial Gearboxes and transmission systems
- Machine Tool Components requiring high rigidity
- Material Handling Equipment and conveyor systems
- Agricultural Machinery and implements
- Pump Systems and fluid handling equipment
