6305
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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6305 Bearing Product Overview & Core Advantages
The 6305 single row deep groove ball bearing is a fundamental precision bearing component designed for outstanding performance in a wide range of industrial applications. Engineered to primarily accommodate radial loads, it also has the capability to handle moderate axial loads in both directions. Manufactured to ABEC-1 tolerance standards, this bearing offers reliable operation, high running accuracy, and consistent performance, making it a versatile and cost-effective solution for general machinery and equipment requiring dependable rotational motion.
6305 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation, indicating a medium width and medium diameter series. |
| 05 | Bore diameter code. For this metric bearing, 05 corresponds to a 25 mm bore diameter. |
| (No Suffix) | The absence of additional suffixes indicates a standard, open (non-shielded, non-sealed) design with CN group radial internal clearance. |
6305 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The continuous deep groove raceway and precision-ground chrome steel components enable high radial dynamic load rating of 4631 lbf, providing robust support and long service life under demanding conditions.
- High-Speed Capability: The lightweight, corrosion-resistant stainless steel cage ensures stable ball guidance and low friction, contributing to a high limiting speed of 11,000 rpm for efficient operation.
- Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, this bearing guarantees smooth running and precise shaft positioning.
- Versatile Application Range: With a standard CN clearance and a temperature range of -30°C to 110°C, it is suitable for a broad spectrum of operating environments. Note that lubrication is required for optimal performance.
6305 Bearing Typical Application Areas
The 6305 bearing is a workhorse component found in numerous industrial sectors, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (Conveyors, Fans)
- Agricultural Machinery
- General Industrial Machinery and Automation Systems
