1318KC3
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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1318KC3 Bearing Product Overview & Core Advantages
The 1318KC3 is a metric double row angular contact ball bearing engineered for demanding industrial applications requiring high load capacity and precision. Featuring a 1:12 tapered bore for precise shaft mounting, this bearing excels at handling combined radial and axial loads simultaneously. Its double row design provides exceptional rigidity and stability, making it ideal for machinery where shaft deflection must be minimized. Manufactured from premium chrome steel with a stainless steel cage, it delivers reliable performance in a wide temperature range from -30°C to 110°C.
1318KC3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1318 | Standard bearing series designation indicating specific bearing dimensions (90mm bore × 190mm OD × 43mm width) |
| K | Indicates tapered bore with 1:12 taper ratio for precise interference fit on tapered shafts |
| C3 | Specifies greater radial internal clearance than normal, suitable for applications with thermal expansion or where preload is applied through tapered bore mounting |
1318KC3 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact construction provides superior stiffness and stability, enabling the bearing to handle combined loads effectively. With a dynamic load rating of 26,325 lbf and static load rating of 9,900 lbf, it delivers robust performance under heavy operating conditions.
Precision Tapered Bore Design: The 1:12 tapered bore allows for precise axial positioning and secure mounting on tapered shafts. When properly mounted, this design creates optimal preload conditions, enhancing bearing rigidity and minimizing runout.
Optimized Cage & Material Selection: The stainless steel cage ensures reliable operation at the limiting speed of 4,500 rpm, providing excellent guidance and stability. The combination of chrome steel rings and balls delivers superior wear resistance and longevity.
Enhanced Internal Clearance: The C3 radial clearance accommodates thermal expansion differences between bearing and housing, making it suitable for applications with varying operating temperatures or where interference fits are used.
1318KC3 Bearing Typical Application Areas
- Industrial Gearboxes and power transmission systems
- Machine Tool Spindles requiring high precision and rigidity
- Mining and Construction Equipment with heavy radial loads
- Material Handling Systems and conveyor pulleys
- Agricultural Machinery and heavy-duty industrial fans
- Pump and Compressor Systems where combined loads are present
