6206NR/C3 Q66
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
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6206NR/C3 Q66 Bearing Product Overview & Core Advantages
The 6206NR/C3 Q66 is a single row deep groove ball bearing engineered for high-performance industrial applications. This metric bearing features a snap ring groove on its outer ring, enabling simplified axial positioning and secure housing mounting. With its C3 radial internal clearance, it accommodates thermal expansion in demanding operating conditions. Manufactured to ABEC 1 | ISO P0 tolerance standards, it delivers reliable precision for general industrial use while maintaining excellent radial load capacity and operational stability.
6206NR/C3 Q66 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| NR | Snap Ring Groove on Outer Ring | Enables simplified axial positioning and secure housing mounting |
| C3 | Greater than Normal Radial Internal Clearance | Accommodates thermal expansion in high-temperature applications |
| Q66 | Special Quality Designation | Indicates enhanced manufacturing quality and performance consistency |
6206NR/C3 Q66 Bearing Structural Features & Performance Benefits
Deep Groove Design: The optimized raceway geometry provides excellent radial load capacity (4384 lbf dynamic rating) while accommodating moderate axial loads in both directions.
Snap Ring Integration: The outer ring snap ring groove eliminates the need for additional components, reducing assembly time and ensuring precise axial positioning within the housing.
Enhanced Thermal Performance: The C3 clearance specification allows for thermal expansion during operation, preventing premature failure in applications with significant temperature variations (-30° to 120°C).
Precision Manufacturing: Manufactured from chrome steel for both rings and balls, with a chrome steel cage, ensuring dimensional stability and consistent performance under high-speed operation (11,000 rpm limiting speed).
6206NR/C3 Q66 Bearing Typical Application Areas
Electric Motors & Generators: Ideal for motor bearings requiring secure positioning and reliable performance in industrial drives.
Industrial Gearboxes: Suitable for transmission systems where thermal expansion management is critical.
Material Handling Equipment: Used in conveyor systems, pulley assemblies, and other machinery requiring robust radial bearing solutions.
Agricultural Machinery: Applied in farm equipment where environmental protection and reliable operation are essential.
General Industrial Machinery: Perfect for pumps, compressors, and fans requiring precision ball bearings with simplified mounting features.
