6311 Y/C78
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6311 Y/C78 Bearing Product Overview & Core Advantages
The 6311 is a single row deep groove ball bearing designed for exceptional performance in general industrial applications. As a metric bearing with an open design, it offers high versatility and reliable operation. Its primary strength lies in its ability to efficiently handle radial loads, making it a fundamental component in a wide array of machinery. Manufactured to ABEC 1 | ISO P0 tolerance standards, it ensures consistent quality and dependable performance for applications requiring robust and cost-effective bearing solutions.
6311 Y/C78 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6311 | Standard designation for a single row deep groove ball bearing with a 55mm bore, 120mm OD, and 29mm width. |
| Open (No Seal Suffix) | Indicates the bearing is unsealed, allowing for high-speed operation and permitting external lubrication systems. |
| Tolerance Class: ABEC 1 | ISO P0 | Specifies standard dimensional and running accuracy, suitable for most general-purpose applications. |
| Radial Internal Clearance: CN | Denotes the standard, normal radial internal clearance group. |
6311 Y/C78 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The deep groove raceway and high-quality chrome steel construction enable high radial dynamic load rating of 16,096 lbf and a radial static load rating of 10,116 lbf, providing reliable support under significant loads.
- High-Speed Capability: The open design and robust chrome steel cage contribute to a high limiting speed of 5,600 rpm, making it suitable for demanding rotational applications.
- Robust Construction: Manufactured entirely from chrome steel (rings, balls, and cage), this bearing offers excellent durability, wear resistance, and a long operational lifespan.
- Precision Engineering: Built to ABEC 1 | ISO P0 tolerance class with controlled bore, OD, and width tolerances, ensuring smooth and precise operation with minimal vibration.
6311 Y/C78 Bearing Typical Application Areas
The 6311 deep groove ball bearing is a versatile component found in numerous industries, including:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial support
