6209-2RS1/C4
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6209-2RS1/C4 Bearing Product Overview & Core Advantages
The 6209-2RS1/C4 is a sealed single row deep groove ball bearing engineered for robust performance in demanding industrial applications. Its primary strength lies in its ability to efficiently handle significant radial loads, while the integrated seals provide superior protection against contaminants. This bearing is characterized by its C4 radial internal clearance, making it exceptionally suitable for applications involving thermal expansion or where interference fits are used. Designed for high reliability and long service life, it offers a compact and versatile solution for a wide range of machinery.
6209-2RS1/C4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6209 | Basic Bearing Series & Size | Denotes a single row deep groove ball bearing with a 45mm bore, 85mm OD, and 19mm width. |
| 2RS1 | Sealing Type | Indicates the bearing is fitted with two NBR contact seals on both sides, providing excellent protection against dust and moisture ingress. |
| C4 | Radial Internal Clearance | Specifies a greater than normal radial internal clearance. This is critical for applications with shaft expansion, high temperatures, or heavy interference fits to prevent operational issues. |
6209-2RS1/C4 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The single row deep groove raceway geometry is precision-engineered to support high radial dynamic load ratings (7351 lbf), ensuring stable operation under significant stress.
- Enhanced Contamination Resistance: The 2RS1 contact seals are highly effective at retaining lubrication and excluding contaminants, which significantly extends the bearing's operational life and reduces maintenance needs.
- Accommodation for Thermal & Fit Conditions: The C4 clearance is a key performance feature. It allows for axial displacement within the bearing, accommodating thermal expansion of the shaft or housing and preventing preload that could lead to premature failure.
- Robust Material Construction: Manufactured from chrome steel for rings, balls, and cage, this bearing offers high strength, durability, and resistance to wear, contributing to its overall high rigidity and reliability.
6209-2RS1/C4 Bearing Typical Application Areas
The 6209-2RS1/C4 is ideally suited for a broad spectrum of industrial machinery where reliability and protection are paramount. Key application areas include:
- Electric Motors and Generators: Particularly in larger frames where shaft growth and sealed environments are critical.
- Industrial Gearboxes and Transmissions: Handles radial loads effectively in contaminated environments.
- Agricultural Machinery: Conveyors, harvesters, and other equipment exposed to dust and moisture.
- Material Handling Equipment: Pulleys, rollers, and fans that require a sealed, long-life bearing solution.
- Ventilation and HVAC Systems: Blower and fan shafts operating at moderate speeds.
