6404-2Z
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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6404-2Z Bearing Product Overview & Core Advantages
The 6404-2Z is a single row deep groove ball bearing designed for superior performance in a wide range of industrial applications. Engineered with metric dimensions, this bearing excels at handling primarily radial loads and offers reliable operation. Its key advantages include a shielded design (2Z) for effective contamination protection, a high limiting speed of 10,000 rpm, and construction from durable chrome steel for extended service life. This bearing is an excellent choice for applications demanding high reliability and consistent performance under standard operating conditions.
6404-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Significance |
|---|---|---|
| 6404 | Basic Bearing Code | Denotes a single row deep groove ball bearing with a 20mm bore, 72mm OD, and 19mm width. |
| 2Z | Shielded on Both Sides | Provides effective protection against solid contaminants while allowing for high-speed operation. Note: This variant is supplied without lubrication. |
6404-2Z Bearing Structural Features & Performance Benefits
The performance of the 6404-2Z is defined by its robust construction and precision engineering:
- Optimized Load Capacity: The single row deep groove raceway and high-quality chrome steel construction provide a radial dynamic load rating of 6902 lbf and a radial static load rating of 3372 lbf, ensuring dependable performance under load.
- High-Speed Capability: The combination of a pressed steel cage (standard for this series) and the low-friction 2Z shields enables a high limiting speed of 10,000 rpm, making it suitable for demanding rotational applications.
- Contamination Resistance: The non-contact shields (2Z) on both sides protect the internal components from dust and debris, enhancing bearing life and reliability in challenging environments.
- Standard Precision: Manufactured to ABEC 1 | ISO P0 tolerance class and standard CN radial internal clearance, this bearing offers consistent performance for general industrial use.
6404-2Z Bearing Typical Application Areas
The 6404-2Z is a versatile component found in numerous sectors, including:
- Electric Motors and Gearboxes
- Material Handling Equipment (e.g., conveyor systems)
- Agricultural Machinery
- Industrial Fans and Blowers
- Various Automotive Components
