6204-2RSL/C3
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6204-2RSL/C3 Bearing Product Overview & Core Advantages
The 6204-2RSL/C3 is a metric single row deep groove ball bearing designed for exceptional reliability in demanding applications. This sealed bearing excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Its key advantages include robust construction with chrome steel components, a generous C3 radial internal clearance for thermal expansion in high-speed or high-temperature environments, and integrated contact seals (2RSL) for superior contamination protection and long service life without relubrication.
6204-2RSL/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6204 | Basic Bearing Series & Size | Denotes a single row deep groove ball bearing with a 20mm bore, 47mm OD, and 14mm width. |
| 2RSL | Double Contact Seals, NBR Material | Features two low-friction, synthetic rubber contact seals on both sides, providing excellent protection against dust and moisture ingress while retaining lubricant. |
| C3 | Radial Internal Clearance | Indicates a greater-than-normal radial internal clearance, making it suitable for applications with significant thermal gradients, high speeds, or where interference fits are used. |
6204-2RSL/C3 Bearing Structural Features & Performance Benefits
- Robust Load Capacity: The deep groove raceway and chrome steel construction provide a high radial dynamic load rating of 2878 lbf and a static load rating of 1495 lbf, ensuring durability under significant stress.
- Optimized for Contaminated Environments: The double-contact rubber seals (2RSL) create an effective barrier against contaminants, significantly extending bearing life in harsh conditions. This design also retains lubricant effectively.
- Thermal & Speed Adaptation: The C3 internal clearance accommodates shaft expansion and higher operational temperatures, preventing premature failure due to preload. This contributes to stable performance up to the limiting speed of 15,000 rpm.
- Maintenance-Free Operation: As a pre-lubricated and sealed unit, this bearing is designed for maintenance-free operation throughout its service life, reducing total cost of ownership.
- Standardized Precision: Manufactured to ABEC 1 | ISO P0 tolerance class, it offers consistent and reliable performance for a wide range of industrial applications.
6204-2RSL/C3 Bearing Typical Application Areas
This versatile and robust bearing is ideally suited for a multitude of applications across various industries, including:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
- General machinery requiring a reliable, sealed ball bearing with extended life.
