6209-ZNR/C3
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
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6209-ZNR/C3 Bearing Product Overview & Core Advantages
The 6209-ZNR/C3 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 secure axial positioning within housings without requiring complex machining. With its shielded design and C3 radial internal clearance, it delivers reliable operation under moderate speeds and varying thermal conditions. The bearing's chrome steel construction throughout (rings, balls, and cage) ensures durability and consistent performance in demanding environments.
6209-ZNR/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| Z | Single Shield on One Side | Protects against contaminants from one direction |
| NR | Snap Ring Groove with Snap Ring | Simplifies housing design and installation |
| C3 | Greater than Normal Radial Clearance | Accommodates thermal expansion in high-temperature applications |
6209-ZNR/C3 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway profile enables smooth operation and efficient radial load distribution, making it suitable for various industrial machinery.
Snap Ring Integration: The fitted snap ring (OD: 91.6mm, width: 1.7mm) provides axial security, preventing outer ring creep in applications where precise positioning is critical.
Shielded Protection: The single steel shield effectively retains lubrication while excluding larger contaminants, enhancing bearing service life in moderately contaminated environments.
Optimized Clearance: The C3 radial clearance accommodates shaft and housing fits, thermal expansion, and ensures stable operation across the specified temperature range (-30°C to 120°C).
6209-ZNR/C3 Bearing Typical Application Areas
- Electric Motors: Particularly where snap ring mounting simplifies assembly
- Industrial Gearboxes: For reliable radial load support
- Material Handling Equipment: Conveyor systems and pulley assemblies
- Agricultural Machinery: Implement drives and transmission systems
- Pumps and Compressors: Where moderate speeds and reliable performance are required
