6205 ETN9/C3
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6205 ETN9/C3 Bearing Product Overview & Core Advantages
The 6205 ETN9/C3 is a single row deep groove ball bearing engineered for high performance in demanding applications. This metric bearing is characterized by its open design and C3 radial internal clearance, making it suitable for applications with thermal expansion or where interference fits are used. Its robust construction from chrome steel ensures durability and reliable operation under radial dynamic loads up to 4002 lbf. The inclusion of a nylon cage (ETN9) contributes to lower friction, quieter operation, and suitability for higher speeds, with a limiting speed of 18,000 rpm. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers a cost-effective solution without compromising on essential precision and performance.
6205 ETN9/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6205 | Standard bearing series designation indicating a single row deep groove ball bearing with a 25 mm bore, 52 mm OD, and 15 mm width. |
| E | Optimized internal design for higher load capacity. |
| TN9 | Nylon (Polyamide) cage, glass fiber reinforced. Offers low weight, low friction, and is suitable for high-speed operation. |
| C3 | Radial internal clearance greater than Normal (C0). Ideal for applications with expected temperature gradients or tight fits. |
6205 ETN9/C3 Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The single row deep groove raceway and optimized internal geometry (E-design) provide excellent resistance to radial loads and moderate axial loads in both directions, ensuring stable operation.
- High-Speed Capability: The lightweight and self-lubricating nylon TN9 cage minimizes centrifugal forces and friction, enabling smooth operation up to the limiting speed of 18,000 rpm.
- Precision & Reliability: Manufactured to ABEC 1 | ISO P0 tolerance class with chrome steel rings and balls, this bearing guarantees consistent performance and long service life.
- Operational Flexibility: The open seal type and C3 clearance allow for versatile lubrication options and accommodate shaft and housing expansions, making it adaptable to various operational conditions within a temperature range of -30°C to 120°C.
6205 ETN9/C3 Bearing Typical Application Areas
The 6205 ETN9/C3 is a versatile component widely used across multiple industries due to its balanced performance characteristics. Key application areas include:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor systems)
- Agricultural Machinery
- General Industrial Machinery requiring reliable, high-speed ball bearing support.
