6205-2RSH/HC5C3GJN
6000 Series HC5/HC5C3 Hybrid Ceramic Bearings
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6205-2RSH/HC5C3GJN Bearing Product Overview & Core Advantages
The 6205-2RSH/HC5C3GJN is a sealed single row deep groove ball bearing engineered for demanding industrial applications. This precision bearing is distinguished by its hybrid ceramic construction, featuring Silicon Nitride (Si3N4) balls for superior performance. Its primary advantages include extended service life, the ability to operate at higher speeds, and reliable operation under radial loads. The integrated seals and optimized internal clearance make it a robust, long-lasting solution for high-reliability scenarios.
6205-2RSH/HC5C3GJN Bearing Model Code Explained, Specifications & Naming Convention
- 6205: Basic model number denoting a single row deep groove ball bearing with a 25mm bore and 52mm outside diameter.
- 2RSH: Designates double lip seals on both sides, providing superior protection against contaminant ingress and effective grease retention.
- HC5: Indicates the use of Hybrid Ceramic components, specifically Silicon Nitride (Si3N4) balls.
- C3: Specifies a greater radial internal clearance than the Normal (CN) group, suitable for applications with thermal expansion or where interference fits are used.
- GJN: A code related to the specific grease filling and performance characteristics.
6205-2RSH/HC5C3GJN Bearing Structural Features & Performance Benefits
The performance of the 6205-2RSH/HC5C3GJN is a direct result of its advanced construction:
- Hybrid Ceramic Design: The combination of chrome steel rings and Silicon Nitride balls significantly reduces friction, heat generation, and wear. This results in a higher limiting speed (13,000 rpm), reduced energy consumption, and dramatically increased bearing life, especially in contaminated or marginal lubrication environments.
- Robust Sealing: The double lip seals (2RSH) offer excellent defense against dust, moisture, and other contaminants, while effectively retaining the factory-applied grease. This ensures consistent performance and reduces maintenance needs.
- Optimized Internal Clearance: The C3 radial internal clearance provides operational stability in applications where thermal expansion of the shaft and housing is expected, preventing preload and potential seizure.
- High Load Capacity: With a dynamic load rating of 3147 lbf and a static load rating of 1765 lbf, this bearing is capable of handling significant radial loads in a compact 15mm width.
6205-2RSH/HC5C3GJN Bearing Typical Application Areas
This bearing's unique combination of speed capability, contamination resistance, and long life makes it ideal for a range of demanding applications, including:
- Electric Motors & Spindles: Particularly in high-speed, frequent start-stop, or inverter-duty motors.
- Precision Machine Tools: For spindles and feed drives requiring high accuracy and reliability.
- Pumps & Compressors: Where resistance to harsh environments and long service intervals are critical.
- Agricultural & Construction Machinery: In harsh, dusty conditions where standard bearings would fail prematurely.
- Automotive Applications: Including auxiliary units and high-performance electric vehicle components.
