6208NR/C3
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6208NR/C3 Bearing Product Overview & Core Advantages
The 6208NR/C3 is a single row deep groove ball bearing engineered for high-performance industrial applications requiring robust radial load capacity and reliable operation. Its defining feature is the integrated snap ring on the outer ring, which simplifies axial positioning within housings and enhances assembly efficiency. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing offers consistent precision. The specified C3 radial internal clearance makes it particularly suitable for applications with elevated operational temperatures or where interference fits are used, ensuring optimal performance under demanding conditions.
Model Code Breakdown
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6208 | Standard deep groove ball bearing series with 40mm bore, 80mm OD. | Denotes fundamental dimensions and bearing type. |
| NR | Snap Ring groove and ring fitted on the outer ring. | Enables secure axial location, reduces housing design complexity and cost. |
| C3 | Radial internal clearance greater than Normal (CN) group. | Accommodates thermal expansion, ideal for applications with high rotational speeds or thermal gradients. |
6208NR/C3 Bearing Structural Features & Performance Benefits
Robust Construction for High Load Capacity: The single row deep groove design, combined with chrome steel rings, balls, and cage, provides a high radial dynamic load rating of 6542 lbf and a static load rating of 4002 lbf, ensuring durability under significant stress.
Simplified Assembly with Snap Ring: The outer ring snap ring (NR) eliminates the need for complex housing shoulders or end caps, facilitating quicker installation and secure axial positioning.
Optimized for Thermal & Speed Conditions: The C3 clearance is a critical feature that prevents pre-loading and potential seizure in applications subject to thermal expansion, supporting a limiting speed of 8,300 rpm.
Versatile Material and Compliance: Constructed entirely from chrome steel for high strength and wear resistance. The bearing is compliant with ROHS and REACH regulations, making it suitable for global markets.
6208NR/C3 Bearing Typical Application Areas
This bearing is widely used in various industrial machinery and equipment where reliable radial load support and simplified mounting are paramount. Key sectors include:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Fans and Blowers
- Material Handling Conveyors
- Agricultural Machinery
