1305KC3
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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1305KC3 Bearing Product Overview & Core Advantages
The 1305KC3 is a double row angular contact ball bearing designed for applications requiring high rigidity and precision performance. This metric bearing features a tapered bore (1:12) and is pre-lubricated for immediate operation. Its double row construction enables superior radial load capacity while maintaining compact dimensions. With C3 radial internal clearance and nylon cage, this bearing delivers reliable performance in demanding industrial environments where high rigidity and stable operation are critical requirements.
Model Code Detailed Analysis
| Code Segment | Technical Meaning |
| 1305 | Basic bearing designation indicating 25mm bore diameter and standard dimensions |
| K | Tapered bore with 1:12 ratio for secure mounting on adapter sleeves |
| C3 | Greater than normal radial internal clearance for thermal expansion applications |
1305KC3 Bearing Structural Features & Performance Benefits
High Rigidity Design: The double row ball bearing configuration provides exceptional stiffness and stability, making it ideal for applications requiring precise shaft positioning and minimal deflection under load.
Enhanced Load Capacity: With a dynamic radial load rating of 4275 lbf and static radial load rating of 1215 lbf, this bearing handles significant radial forces while the tapered bore ensures secure mounting for combined loading conditions.
Optimized Performance: The nylon cage contributes to smooth operation at limiting speeds up to 15,000 rpm, while the C3 clearance accommodates thermal expansion in high-speed applications.
Precision Engineering: Manufactured from chrome steel for both rings and balls, this bearing delivers consistent performance across a temperature range of -30°C to 110°C with factory-applied lubrication for immediate service.
1305KC3 Bearing Typical Application Areas
- Electric Motors and motorized applications requiring precise shaft alignment
- Industrial Gearboxes and transmission systems
- Material Handling Equipment with tapered shaft mounting requirements
- Agricultural Machinery and off-road equipment
- Pump Systems requiring reliable bearing performance in varied operating conditions
- General Industrial Machinery where high radial load capacity and tapered bore mounting are essential
