6209-2Z/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Main Dimensions
Performance
Materials
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6209-2Z/C3GJN Bearing Product Overview & Core Advantages
The 6209-2Z/C3GJN is a single row deep groove ball bearing engineered for high performance and reliability in demanding applications. This shielded bearing is designed to primarily accommodate radial loads while also handling moderate axial loads in both directions. Its key advantages include a robust construction using chrome steel for all critical components, ensuring durability and a long service life. The combination of C3 radial internal clearance and ABEC 1 precision makes it suitable for applications with moderate operational speeds and thermal expansion requirements, offering a reliable and cost-effective solution for a wide range of industrial machinery.
Model Code Breakdown
- 6209: Basic model number denoting a single row deep groove ball bearing with a 45mm bore, 85mm OD, and 19mm width.
- 2Z: Designates that the bearing is shielded on both sides. These non-contact shields protect the internal components from contamination by solid particles while minimizing friction.
- C3: Indicates a greater than normal radial internal clearance. This is beneficial for applications where thermal expansion is a concern or where fits result in a reduction of internal clearance.
- GJN: A manufacturer-specific suffix. Please consult the manufacturer's documentation for the precise technical meaning, as it may relate to specific material grades or manufacturing processes.
6209-2Z/C3GJN Bearing Structural Features & Performance Benefits
The 6209-2Z/C3GJN's performance is derived from its specific structural features. The single row deep groove raceway and high-quality chrome steel balls provide excellent radial load capacity (7351 lbf dynamic, 4564 lbf static). The shielded design (2Z) offers effective protection against contaminants, enhancing bearing life in dirty environments without the significant torque increase associated with contact seals. The specified C3 radial internal clearance accommodates thermal expansion in applications with higher operational temperatures or interference fits, preventing premature failure due to excessive preload. With a limiting speed of 7,700 rpm and operation within a temperature range of -30°C to 120°C, this bearing is a versatile and robust component for general industrial use.
6209-2Z/C3GJN Bearing Typical Application Areas
This bearing is widely used across various industries due to its balanced performance characteristics. Common applications include:
- Electric Motors
- Industrial Gearboxes
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Pumps and Compressors
- General Industrial Machinery requiring reliable, shielded bearings.
