6203-2RSJ
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6203-2RSJ Bearing Product Overview & Core Advantages
The 6203-2RSJ is a single row deep groove ball bearing designed for reliable performance in a wide range of industrial applications. Its key advantage lies in its sealed construction (2RS), which provides robust protection against contaminants and retains lubrication, making it a maintenance-free solution. Engineered with precision tolerances (ABEC 1 | ISO P0) and manufactured from high-grade chrome steel, this bearing offers excellent durability and consistent operation under radial loads. It is an ideal, cost-effective choice for applications demanding long service life and operational reliability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 6203 | Basic bearing series and size code. Indicates a single row deep groove ball bearing with a 17 mm bore, 40 mm OD, and 12 mm width. |
| 2RS | Contact rubber seals on both sides. Provides superior sealing effectiveness against dust and moisture compared to non-contact shields. |
| J | Indicates a pressed steel cage, which is a standard, robust, and cost-effective cage design. |
6203-2RSJ Bearing Structural Features & Performance Benefits
- Sealed & Maintenance-Free Design: The double-sided contact seals (2RS) effectively prevent the ingress of contaminants and the egress of grease, enabling long-term, maintenance-free operation in dirty or humid environments.
- Robust Load Capacity: The deep groove raceway and chrome steel construction enable the bearing to handle significant radial dynamic load ratings (2147 lbf), ensuring reliable performance in demanding applications.
- Precision & Smooth Operation: Manufactured to ABEC 1 precision class with a standard CN radial internal clearance, this bearing provides smooth and quiet running, minimizing vibration and noise.
- Wide Temperature Range: The bearing materials and seal are suitable for an operating temperature range from -30°C to 120°C, offering versatility for various operational conditions.
6203-2RSJ Bearing Typical Application Areas
The 6203-2RSJ is a versatile component widely used across numerous industries due to its sealed and durable design. Common applications include:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
- Various General Machinery requiring a reliable, sealed ball bearing.
