6218/C3S1
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6218/C3S1 Bearing Product Overview & Core Advantages
The 6218/C3S1 is a single row deep groove ball bearing designed for robust performance in a wide range of industrial applications. Engineered to primarily accommodate high radial loads, this open-type bearing is characterized by its high precision ABEC 1 | ISO P0 tolerance class, ensuring reliable operation and consistent performance. A key feature is its specified C3 radial internal clearance, which makes it particularly suitable for applications involving thermal expansion or where interference fits are used. Manufactured entirely from high-grade chrome steel, it offers excellent durability and a long service life, compliant with RoHS and REACH standards.
6218/C3S1 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| C3 | Radial internal clearance greater than Normal (CN) group. | Accommodates thermal expansion from high operating temperatures or tight interference fits, preventing premature failure due to excessive preload. |
| S1 | Stabilized heat treatment, suitable for operating temperatures up to 200°C. | Ensures dimensional stability and maintained hardness under elevated temperature conditions, extending bearing life in hot environments. |
6218/C3S1 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The single row deep groove raceway geometry is precision-engineered to support high radial dynamic load ratings (21,604 lbf), making it a reliable choice for heavy-duty applications.
- High-Temperature Stability: The S1 heat stabilization treatment allows for continuous operation in a wide temperature range from -30°C to 200°C, preventing loss of dimensional accuracy.
- Controlled Internal Clearance: The C3 clearance provides operational flexibility in applications where shaft or housing fits and thermal conditions could otherwise lead to binding and increased friction.
- Precision Engineering: Manufactured to ABEC 1 | ISO P0 tolerance class, this bearing ensures smooth, quiet, and vibration-free running, which is critical for the overall efficiency of the machinery.
- Versatile Lubrication: The open design allows for the use of a wide variety of greases or oils, enabling users to select the optimal lubrication for specific speed, temperature, and environmental conditions.
6218/C3S1 Bearing Typical Application Areas
- Electric Motors and Generators: A standard choice for supporting shafts in industrial motors, benefiting from its high radial load capacity and C3 clearance.
- Industrial Gearboxes: Used in various gearbox stages to handle significant radial forces while accommodating thermal changes.
- Material Handling Equipment: Ideal for conveyor pulleys, rollers, and other components in demanding material handling systems.
- Agricultural Machinery: Employed in tractors, combines, and other farm equipment where robustness and reliability under varying loads and temperatures are paramount.
- General Industrial Machinery: A versatile component in pumps, fans, and blowers that operate in elevated temperature environments.