6208-2RS1/C3 GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Product Overview and Core Advantages
The 6208-2RS1/C3 GJN is a metric single row deep groove ball bearing engineered for robust performance in demanding applications. This sealed bearing excels at handling significant radial loads and moderate axial loads in both directions. Its key advantages include a generous C3 radial internal clearance for thermal expansion management, integrated contact seals (2RS1) for superior contamination exclusion, and a GJN designation indicating a high-quality, noise-reduced variant. This combination makes it an ideal, maintenance-free solution for applications requiring high reliability and long service life.
6208-2RS1/C3 GJN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6208 | Basic bearing designation: 6 = Single Row Deep Groove, 2 = Light Duty Series, 08 = 40mm Bore Diameter. | Standardized dimensions for easy interchangeability. |
| 2RS1 | Sealing: RS denotes contact seals on both sides. The "1" suffix indicates a specific, high-performance seal design. | Provides excellent protection against contaminants and retains lubricant, enabling maintenance-free operation. |
| C3 | Radial internal clearance greater than the Normal (CN) group. | Accommodates thermal expansion in the shaft and housing, preventing preload and ensuring smooth operation under varying temperature conditions. |
| GJN | A vibration class designation. GJN signifies bearings with low noise and vibration levels. | Ideal for applications where quiet running is critical, such as in electric motors and fans. |
Structural Features and Performance Benefits
- Deep Groove Raceway & High-Quality Steel: The optimized raceway geometry and the use of chrome steel for rings and balls ensure a high radial dynamic load rating of 6542 lbf, providing exceptional durability and fatigue life.
- Integrated Contact Seals (2RS1): These seals effectively shield the bearing interior from dust, moisture, and other contaminants while retaining the factory-applied grease. This design is crucial for applications where re-lubrication is difficult or impossible.
- Optimized Internal Clearance (C3): The C3 clearance is a critical feature for applications with expected temperature fluctuations or where fit conditions may lead to a reduction in internal clearance. It prevents binding and ensures reliable performance.
- Low Noise Operation (GJN): Through selective assembly and component matching, the GJN grade ensures smooth, quiet rotation, which is essential for consumer appliances, office equipment, and precision instruments.
6208-2RS1/C3 GJN Bearing Typical Application Areas
This versatile bearing is widely used across various industries due to its robust construction and sealed design. Key application areas include:
- Electric Motors: A primary application, especially in mid-sized industrial motors and high-efficiency fan motors where reliability and low noise are paramount.
- Industrial Gearboxes and Transmissions: Used as support bearings to handle radial loads in various speed reduction units.
- Material Handling Equipment: Conveyor rollers, pulley systems, and other machinery requiring sealed, durable bearings.
- Agricultural Machinery: Implements and drives where protection from harsh environmental conditions is necessary.
- General Industrial Machinery: Pumps, compressors, and blowers that demand a cost-effective, maintenance-free bearing solution.