307MG
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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307MG Bearing Product Overview & Core Advantages
The 307MG is a single row deep groove ball bearing designed for reliable performance in general industrial applications. Engineered to primarily accommodate radial loads, this bearing features an open design for versatile lubrication options. Manufactured with chrome steel rings, balls, and cage, it offers a robust and durable solution. With a CN radial internal clearance and ABEC 1 (ISO P0) tolerance class, it provides a cost-effective balance of precision and performance for a wide range of machinery.
307MG Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 307 | Standard bearing series designation, indicating the bearing dimensions (35mm bore, 80mm OD, 21mm width). |
| MG | Indicates the cage material. "M" stands for machined brass (Chrome Steel in this specification), and "G" designates a specific cage design for general applications. |
Note: The absence of sealing (Open) and lubrication (None) suffixes indicates a standard, unsealed, and unlubricated bearing, allowing for custom lubrication solutions.
307MG Bearing Structural Features & Performance Benefits
- Deep Groove Raceway: The optimized raceway geometry enables smooth operation and efficient handling of radial loads.
- Robust Chrome Steel Construction: All core components (rings, balls, cage) are made from chrome steel, providing high strength, wear resistance, and a long operational lifespan.
- Open Design for Flexibility: The open seal type allows for the application of various lubricants to suit specific speed, temperature, and environmental conditions, optimizing performance.
- Standard Precision & Clearance: The ABEC 1 (ISO P0) tolerance and CN radial internal clearance ensure consistent and reliable operation for most industrial applications.
307MG Bearing Typical Application Areas
This versatile bearing is commonly specified for use in:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial load support
