1213KJ
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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1213KJ Bearing Product Overview & Core Advantages
The 1213KJ is a metric double row angular contact ball bearing engineered for applications requiring robust support under combined radial and axial loads. Featuring a tapered bore (1:12) for precise shaft mounting, this bearing delivers high rigidity and stable rotational accuracy. Its open design, pre-lubricated for immediate operation, ensures reliable performance in demanding industrial environments, making it an ideal choice for machinery where precision and load capacity are critical.
1213KJ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1213 | Standard bore diameter (65 mm) and dimension series |
| K | Indicates tapered bore with 1:12 ratio for secure interference fit |
| J | Specifies CN radial internal clearance (normal group) |
1213KJ Bearing Structural Features & Performance Benefits
Double Row Design: The dual raceway configuration significantly enhances rigidity and load distribution, enabling superior performance under combined loads.
High Load Capacity: With a dynamic load rating of 7898 lbf and static load rating of 3150 lbf, this bearing handles substantial radial forces while accommodating axial loads from both directions.
Optimized Material Construction: Manufactured from chrome steel for both rings and balls, with a steel cage, ensuring durability and consistent operation at limiting speeds up to 7000 rpm.
Pre-lubricated & Ready-to-Install: Factory-applied lubrication and CN clearance provide immediate operational readiness and stable performance across a temperature range of -30°C to 110°C.
1213KJ Bearing Typical Application Areas
- Industrial Gearboxes and power transmission systems
- Material Handling Equipment such as conveyor pulleys
- Agricultural Machinery including tractor PTO shafts
- Pump and Compressor Systems requiring precise shaft support
- General Industrial Machinery with medium-speed rotating components
