6408
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6408 Bearing Product Overview & Core Advantages
The 6408 single row deep groove ball bearing is a fundamental precision bearing designed for robust performance in a wide range of industrial applications. Engineered to primarily accommodate high radial loads, its open design facilitates easy relubrication and maintenance. Manufactured to ABEC-1 tolerance standards, this bearing offers reliable operation and consistent quality, making it an excellent choice for general machinery where high-speed capability and dependable service are required.
6408 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 64 | Series designation, indicating a medium duty deep groove ball bearing. |
| 08 | Bore diameter code, corresponding to a 40 mm bore. |
| (No Suffix) | Indicates an Open (non-shielded/non-sealed) construction. This allows for high-speed operation and custom lubrication schemes. |
6408 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The single row deep groove raceway geometry is precision-engineered to efficiently support high radial loads (Dynamic: 1432 lbf, Static: 8206 lbf), ensuring stable performance under demanding conditions.
- High-Speed Capability: Featuring a lightweight, durable stainless steel cage, the bearing is capable of achieving a limiting speed of 6,700 rpm, making it suitable for various motor and drive applications.
- Precision & Reliability: Manufactured to ABEC-1 tolerance class with a standard CN radial internal clearance, this bearing provides consistent running accuracy and smooth operation, reducing vibration and noise.
- Durable Construction: Both rings and balls are made from high-carbon chrome steel, offering excellent hardness and wear resistance for a long service life.
- Flexible Lubrication: The open seal type allows for the use of a wide range of lubricants, enabling optimization for specific operating temperatures (from -30°C to 110°C) and environmental conditions.
6408 Bearing Typical Application Areas
The 6408 bearing is a versatile component widely used across numerous industries due to its balanced performance characteristics. Key applications include:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Agricultural Machinery (e.g., conveyors, rollers)
- Material Handling Equipment
- Pumps and Compressors
- General Industrial Machinery
