6303-2RSH/C3WT
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6303-2RSH/C3WT Bearing Product Overview & Core Advantages
The 6303-2RSH/C3WT is a sealed deep groove ball bearing designed for reliable performance in demanding industrial applications. This metric single row bearing excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Its key advantages include extended service life through effective sealing, consistent operation due to its ABEC 1 precision class, and robust construction using high-grade chrome steel for all core components. The C3 radial internal clearance makes it particularly suitable for applications with thermal expansion or where interference fits are used.
6303-2RSH/C3WT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6303 | Basic bearing series: 63 series light duty, 03 size code (17mm bore × 47mm OD × 14mm width) |
| 2RSH | Double rubber contact seals on both sides - provides superior protection against contamination |
| C3 | Radial internal clearance greater than normal - accommodates thermal expansion and interference fits |
| WT | Wide temperature range lubrication (compatible with specified -30°C to 120°C operating range) |
6303-2RSH/C3WT Bearing Structural Features & Performance Benefits
Optimized Sealing System: The double rubber contact seals (2RSH) provide excellent protection against contaminants while retaining lubrication, significantly extending bearing service life in harsh environments.
Enhanced Load Capacity: Manufactured from high-quality chrome steel throughout (rings, balls, and cage), this bearing delivers a dynamic load rating of 3057 lbf and static load rating of 1495 lbf, ensuring reliable performance under substantial radial loads.
Thermal Stability: The C3 radial clearance accommodates differential thermal expansion between shaft and housing, preventing premature failure in applications with temperature variations.
Maintenance-Free Operation: Pre-lubricated for the entire service life, the bearing requires no relubrication, reducing maintenance costs and downtime.
6303-2RSH/C3WT Bearing Typical Application Areas
- Electric Motors: Ideal for small to medium-sized industrial motors requiring sealed, maintenance-free operation
- Agricultural Machinery: Suitable for implements and equipment operating in dusty or contaminated environments
- Material Handling Equipment: Used in conveyor systems, pulleys, and rollers where reliable sealed performance is critical
- Industrial Fans & Blowers: Provides dependable service in ventilation and air movement applications
- Automotive Components: Applicable in auxiliary drives, pumps, and other automotive subsystems
