1318 C3
1300 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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1318 C3 Bearing Product Overview & Core Advantages
The 1318 C3 is a double row angular contact ball bearing engineered for demanding applications requiring robust performance under combined loads. This metric bearing features an open design and is pre-lubricated, offering a versatile solution for machinery where high radial load capacity and operational reliability are paramount. Its construction provides high rigidity and is capable of accommodating radial loads and axial loads in both directions, making it an excellent choice for precision bearing applications. The specified C3 radial internal clearance ensures optimal performance in applications with thermal expansion or where fit-up conditions require a greater than normal internal clearance.
1318 C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1318 | Standard bearing designation indicating a double row angular contact ball bearing with a 90mm bore diameter, 190mm outside diameter, and 43mm width. |
| C3 | Specifies a radial internal clearance greater than normal (C3 group). This is crucial for applications involving thermal expansion, interference fits, or where reduced operational friction and heat generation are desired. |
1318 C3 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball construction provides superior high rigidity and enables the bearing to support significant radial dynamic loads (26,325 lbf) and radial static loads (9,900 lbf), effectively handling combined loads.
- Optimized Material Selection: Manufactured from Chrome Steel for the rings and balls, and a Stainless Steel cage, this combination ensures durability, corrosion resistance, and reliable performance.
- Pre-Lubricated & Ready for Use: The bearing comes lubricated from the factory, simplifying installation and providing immediate operational readiness.
- Precision Dimensions: Manufactured to precise bearing dimensions and tolerances (e.g., bore diameter: 90 mm, -0.02mm to 0), ensuring consistent performance and ease of integration into assemblies.
1318 C3 Bearing Typical Application Areas
- Industrial Gearboxes and Transmissions
- Material Handling Conveyor Systems
- Medium-duty Pumps and Compressors
- Agricultural Machinery
- General Industrial Machinery requiring robust support under combined loads
