1308 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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1308 C/3 Bearing Product Overview & Core Advantages
The 1308 C/3 is a double row angular contact ball bearing designed for applications requiring high rigidity and the ability to handle combined loads. Its metric dimensions (40mm bore, 90mm OD, 23mm width) and open design make it a versatile solution for precision machinery. This bearing excels in supporting significant radial loads while accommodating axial loads in both directions, offering a compact and robust solution for demanding industrial environments. Manufactured from high-grade chrome steel with a nylon cage, it delivers reliable performance and extended service life.
Model Code Breakdown
| Model Segment | Technical Meaning |
|---|---|
| 1308 | Basic bearing designation indicating size series and bore diameter (40mm) |
| C | Specific internal design and contact angle optimized for angular contact applications |
| 3 | Radial internal clearance group designation (CN - Normal clearance) |
1308 C/3 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design provides superior rigidity compared to single row bearings, making it ideal for applications subject to moment loads and heavy combined loads. With a dynamic load rating of 7605 lbf and static load rating of 2520 lbf, this bearing delivers exceptional load-bearing performance.
Optimized High-Speed Performance: The nylon cage ensures smooth operation at high rotational speeds, contributing to the bearing's impressive limiting speed of 9,500 rpm. The lightweight cage reduces centrifugal forces and maintains stability during high-speed operation.
Precision Engineering: Manufactured with tight dimensional tolerances and CN radial clearance, the 1308 C/3 ensures consistent performance and precise rotational accuracy. The optimized chamfer dimensions (1.1mm) facilitate proper installation and alignment.
Material Excellence: Constructed from high-quality chrome steel for both rings and balls, this bearing offers excellent wear resistance and durability. The material properties support operation across a wide temperature range from -30°C to 110°C.
1308 C/3 Bearing Typical Application Areas
The 1308 C/3 double row angular contact ball bearing finds extensive use in various industrial applications requiring high precision and reliability:
- Machine Tool Spindles - Providing rigid support for high-speed machining operations
- Industrial Gearboxes - Handling combined radial and axial loads in power transmission systems
- Material Handling Equipment - Supporting heavy loads in conveyor systems and lifting mechanisms
- Pump and Compressor Systems - Ensuring reliable performance in fluid handling applications
- Agricultural Machinery - Withstanding demanding conditions in farm equipment components
