6204-2RSHNR/C3GJN
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6204-2RSHNR/C3GJN Bearing Product Overview & Core Advantages
The 6204-2RSHNR/C3GJN is a sealed single row deep groove ball bearing engineered for high reliability in demanding applications. This metric bearing is characterized by its robust construction and integrated features, including double rubber seals (2RS) for superior contamination protection and a snap ring groove (NR) on the outer ring for simplified axial location and secure mounting within a housing. Manufactured to ABEC 1 / ISO P0 tolerance standards with a C3 radial internal clearance, it offers a dependable balance of precision, load capacity, and operational longevity, making it an excellent choice for a wide range of industrial machinery.
Model Code Breakdown
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6204 | Standard series designation for a single row deep groove ball bearing with a 20mm bore. | Defines the fundamental bearing dimensions and type. |
| 2RS | Contact rubber seals on both sides. | Provides excellent protection against contaminants and retains lubricant, enhancing service life. |
| H | Enhanced ring and ball geometry. | Optimized for higher loads and quieter operation. |
| NR | Snap ring groove on the outer ring. | Facilitates secure axial positioning, simplifying housing design and assembly. |
| C3 | Radial internal clearance greater than Normal (CN). | Suitable for applications with expected thermal expansion or heavy interference fits. |
| GJN | Grease filling, polyurea thickener. | Offers a wide operating temperature range (-30°C to +120°C) and good high-speed stability. |
6204-2RSHNR/C3GJN Bearing Structural Features & Performance Benefits
Robust Sealed Design: The double rubber seals (2RS) are a critical feature, providing a high degree of protection against dust, moisture, and other particulate contaminants. This sealing effectiveness helps to retain the factory-filled polyurea grease (GJN), contributing to the bearing's maintenance-free and long-service-life characteristics.
High Load Capacity: Constructed entirely from chrome steel for both rings and balls, this bearing delivers a dynamic load rating of 2878 lbf and a static load rating of 1495 lbf. The deep groove raceway and optimized internal geometry (H-design) enable it to handle significant radial loads as well as moderate axial loads in both directions.
Simplified Mounting and Positioning: The integrated snap ring groove (NR) on the outer diameter eliminates the need for complex shoulder machining in the housing for axial location. This feature streamlines assembly, reduces costs, and ensures a secure fit.
Optimized for Versatile Operation: With a C3 clearance, the bearing accommodates thermal expansion differences between the shaft and housing, making it suitable for applications with elevated operational temperatures or heavy interference fits. The combination of precision tolerances (ABEC 1 / ISO P0) and high-quality lubrication supports a limiting speed of 15,000 rpm.
6204-2RSHNR/C3GJN Bearing Typical Application Areas
The 6204-2RSHNR/C3GJN is a versatile component found in numerous industrial sectors. Its sealed and pre-lubricated design makes it ideal for applications where reliability and minimal maintenance are paramount.
- Electric Motors: Used in various AC and DC motors for industrial fans, pumps, and compressors.
- Material Handling Equipment: Conveyor rollers, pulley systems, and gearboxes.
- Agricultural Machinery: Implement drives, augers, and other components exposed to harsh environments.
- Automotive Components: Auxiliary units, idlers, and tensioners.
- General Industrial Machinery: A reliable choice for a wide array of machinery requiring a robust, sealed ball bearing with easy mounting features.
