6203-RSH
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6203-RSH Bearing Product Overview & Core Advantages
The 6203-RSH is a metric single row deep groove ball bearing designed for reliable performance in a wide range of industrial applications. Engineered with Chrome Steel rings and balls, it offers a robust solution for carrying primarily radial loads. A key advantage is its RSH type contact seal, which effectively retains lubricant and excludes contaminants, ensuring long service life and reduced maintenance. Manufactured to a P6 tolerance class, this bearing provides high running accuracy, making it suitable for applications demanding precise operation.
6203-RSH Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6203 | Basic Bearing Number | Denotes a single row deep groove ball bearing with a 17 mm bore, 40 mm OD, and 12 mm width. |
| RSH | Seal Type | Indicates a contact seal on one side. This seal provides superior protection against contaminants compared to non-contact shields, making the bearing ideal for dirty environments. |
6203-RSH Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & High Load Capacity: The uninterrupted deep groove raceways enable the bearing to handle not only significant radial loads (Dynamic: 2237 lbf, Static: 1068 lbf) but also moderate axial loads in both directions.
- Sealed for Protection & Long Life: The RSH contact seal is a critical feature that retains the factory-applied grease and effectively excludes dust, moisture, and other particulate contaminants. This design enhances reliability and enables maintenance-free operation in many applications.
- Precision & High-Speed Capability: Manufactured to P6 tolerance class, this bearing ensures high running accuracy and smooth operation. Combined with the standard CN radial internal clearance and a lightweight stainless steel cage, it supports a high limiting speed of 12,000 rpm.
- Robust Material Construction: The use of Chrome Steel (AISI 52100) for rings and balls provides high hardness, wear resistance, and a long fatigue life.
6203-RSH Bearing Typical Application Areas
The 6203-RSH is a versatile component found in numerous sectors due to its balanced performance, sealing, and precision. Common applications include:
- Electric Motors and Small Gearboxes
- Industrial Pumps and Fans
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery and Automotive Components (e.g., alternators, idler pulleys)
- Various General Machinery requiring a reliable, sealed ball bearing
