1213J
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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1213J Bearing Product Overview & Core Advantages
The 1213J double row deep groove ball bearing is a precision bearing engineered for applications requiring robust support for radial loads. Its compact double row construction provides enhanced rigidity and load-carrying capacity within a minimal cross-section. Manufactured from high-grade chrome steel and featuring a steel cage, this bearing delivers reliable performance and long service life, making it suitable for high-reliability industrial environments.
1213J Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1213 | Standard bearing series designation, indicating a metric double row deep groove ball bearing with a 65mm bore and 120mm outside diameter. |
| J | Suffix indicating a CN group radial internal clearance as standard, which is the normal clearance for general applications. |
1213J Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row ball bearing design significantly increases radial stiffness and the dynamic load rating (7898 lbf) compared to single row bearings, providing stable operation under substantial radial loads.
Optimized Internal Geometry: Precision-ground raceways and balls ensure smooth operation and contribute to the bearing's limiting speed of 7000 rpm.
Robust Construction: Components made from chrome steel offer excellent wear resistance and durability. The pressed steel cage provides secure ball guidance and is suitable for high-speed operation.
Standard Internal Clearance: The CN clearance is ideal for most operating conditions, ensuring proper fit and performance without excessive preload or play.
1213J Bearing Typical Application Areas
This bearing is widely used in various industrial machinery and equipment where reliable radial load support is paramount. Common applications include:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Fans
- Material Handling Conveyors
- Agricultural Machinery
