1213 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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1213 ETN9 Bearing Product Overview & Core Advantages
The 1213 ETN9 is a double row angular contact ball bearing designed for applications requiring high load capacity and rigidity. This precision bearing excels at simultaneously handling combined loads, including significant radial forces and bidirectional axial loads. Its compact design, featuring a 23 mm width, makes it ideal for space-constrained, high-reliability machinery. The bearing comes pre-lubricated and utilizes a nylon cage (ETN9), contributing to its high-speed capabilities and smooth operation, making it a robust solution for demanding industrial environments.
1213 ETN9 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 1213 | Standard bearing series designation, indicating bearing dimensions (65 mm bore, 120 mm OD). | Defines the core size and geometry of the bearing. |
| E | Optimized internal design. | Enhances load capacity and operational performance. |
| TN9 | Nylon (Polyamide) cage, glass fiber reinforced. | Reduces friction, allows for higher limiting speeds, and is suitable for a wide temperature range. |
1213 ETN9 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row construction provides superior high rigidity and stability, enabling the bearing to support substantial radial dynamic loads (7898 lbf) and static loads (3150 lbf). This design is inherently suited for applications with combined loads.
High-Speed Performance: The lightweight nylon cage (TN9) minimizes centrifugal forces and ensures quiet, smooth operation at high rotational speeds, with a limiting speed of 7,000 rpm. The open design and pre-lubrication further facilitate efficient heat dissipation and lubrication at high speeds.
Material & Durability: Manufactured from chrome steel for both rings and balls, the bearing offers excellent wear resistance and a long operational life. The material choice ensures performance within a temperature range of -30°C to 110°C.
1213 ETN9 Bearing Typical Application Areas
The 1213 ETN9 is engineered for high-performance applications across various industries, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
