1205 ETN9
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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1205 ETN9 Bearing Product Overview & Core Advantages
The 1205 ETN9 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, enabling it to handle significant radial loads efficiently. Its compact bearing dimensions (25mm bore, 52mm OD, 15mm width) make it ideal for space-constrained applications while maintaining robust performance. The combination of chrome steel rings and balls with a nylon cage ensures durability and smooth operation, making it suitable for demanding industrial environments.
1205 ETN9 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 1205 | Standard size designation | 25mm bore, 52mm OD, 15mm width |
| E | Optimized internal design | Enhanced load capacity and performance |
| TN9 | Nylon cage, glass fiber reinforced | Excellent for high-speed applications, reduced friction |
1205 ETN9 Bearing Structural Features & Performance Benefits
Double Row Design: Provides superior rigidity and load distribution compared to single row bearings, making it ideal for applications requiring high stiffness and stability.
Radial Load Capacity: With a dynamic load rating of 3218 lbf and static load rating of 900 lbf, this bearing handles substantial radial forces effectively.
High-Speed Performance: The TN9 nylon cage enables smooth operation at limiting speeds up to 18,000 rpm, reducing centrifugal forces and maintaining stability.
Pre-lubricated Design: Factory-applied lubrication ensures immediate operation and reduces maintenance requirements, supporting consistent performance across the temperature range of -30°C to 110°C.
Precision Tolerances: Tight dimensional tolerances on bore (-0.01mm to 0) and outside diameter (-0.013mm to 0) ensure precise fit and reliable performance in precision applications.
1205 ETN9 Bearing Typical Application Areas
- Electric Motors - For rotor support in small to medium-sized motors requiring high-speed operation
- Industrial Pumps - Handling radial loads in centrifugal and gear pump applications
- Machine Tool Accessories - Supporting spindles and auxiliary components in machining equipment
- Material Handling Equipment - Conveyor systems and automated guided vehicles
- Precision Instruments - Medical devices, measuring equipment, and laboratory apparatus
- Agricultural Machinery - Implement drives and auxiliary systems
