1307-K C/3
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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1307-K C/3 Bearing Product Overview & Core Advantages
The 1307-K C/3 is a metric double row angular contact ball bearing engineered for applications requiring high rigidity and precision. Featuring a 1:12 tapered bore, this bearing excels in handling combined radial loads while maintaining exceptional dimensional stability. Its double row design provides superior stiffness and load distribution compared to single row alternatives, making it ideal for high-performance machinery where precision alignment and reliable operation are critical.
1307-K C/3 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| K | 1:12 Tapered Bore for precise mounting and dismounting |
| C/3 | CN radial internal clearance group, optimized for general operating conditions |
1307-K C/3 Bearing Structural Features & Performance Benefits
High Rigidity Design: The double row ball bearing construction provides enhanced stiffness and moment load capacity, ensuring stable operation under demanding conditions.
Precision Tapered Bore: The 1:12 taper enables accurate mounting on tapered shafts, facilitating precise axial positioning and simplified installation/removal.
Optimized Load Capacity: With a dynamic load rating of 5962 lbf and static load rating of 1912 lbf, this bearing delivers reliable performance under significant radial loads.
High-Speed Capability: The nylon cage and optimized internal geometry support limiting speeds up to 11,000 rpm, making it suitable for high-speed applications.
Quality Materials: Constructed from chrome steel rings and balls with nylon cage, ensuring durability and consistent performance across the operating temperature range of -30°C to 110°C.
1307-K C/3 Bearing Typical Application Areas
The 1307-K C/3 is widely used in:
- Machine Tool Spindles - where high precision and rigidity are essential
- Industrial Gearboxes - for reliable power transmission systems
- Material Handling Equipment - requiring robust bearing solutions
- Agricultural Machinery - in demanding environmental conditions
- Electric Motors - supporting high-speed rotational applications
