6311-2Z/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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6311-2Z/C3GJN Bearing Product Overview & Core Advantages
The 6311-2Z/C3 is a single row deep groove ball bearing designed for reliable performance in demanding applications. This shielded bearing offers excellent radial load capacity and is pre-set with a C3 radial internal clearance, making it suitable for applications with thermal expansion or where interference fits are used. Its robust construction from chrome steel ensures durability and long service life, providing a cost-effective solution for general industrial machinery.
6311-2Z/C3GJN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6311 | Standard bearing series designation (55mm bore, 120mm OD) | Standardized dimensions for easy interchangeability |
| 2Z | Shielded on both sides | Protects against contamination, retains grease, reduces maintenance |
| C3 | Greater than normal radial internal clearance | Accommodates thermal expansion, ideal for press fits and high-temperature applications |
6311-2Z/C3GJN Bearing Structural Features & Performance Benefits
This bearing's performance stems from its precision engineering and material selection:
- High Load Capacity: The single row deep groove raceway and chrome steel construction provide a high radial dynamic load rating of 16,096 lbf and a radial static load rating of 10,116 lbf, ensuring reliable operation under significant loads.
- Optimized for Industrial Use: The C3 clearance is a key feature for industrial applications, preventing pre-loading and binding due to thermal expansion or press-fit mounting.
- Contamination Protection: The 2Z shields on both sides effectively protect the rolling elements and raceways from dust and debris, enhancing bearing life in harsh environments.
- Standard Precision & Compatibility: Manufactured to ABEC 1 | ISO P0 tolerance class, it offers consistent quality and performance for a wide range of general machinery applications.
6311-2Z/C3GJN Bearing Typical Application Areas
The 6311-2Z/C3 is versatile and finds use in numerous sectors, including:
- Electric Motors and Gearboxes
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- Industrial Fans and Blowers
- General Industrial Machinery requiring robust and reliable ball bearing support
