6303-2RSNRJEM
6300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6303-2RSNRJEM Bearing Product Overview & Core Advantages
The 6303-2RSNRJEM is a single row deep groove ball bearing designed for high reliability in demanding applications. This metric bearing excels at handling primarily radial loads and is characterized by its sealed construction and integrated snap ring for simplified axial location. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers a robust and cost-effective solution for general industrial use where consistent performance is essential.
6303-2RSNRJEM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| 2RS | Contact seals on both sides. Provides effective protection against contaminants. |
| NR | Snap ring groove on the outer ring. Enables simple axial location within a housing. |
| JEM | JIS/Industry standard for snap ring groove and seal combination. |
6303-2RSNRJEM Bearing Structural Features & Performance Benefits
Robust Sealing: The 2RS contact seals effectively shield the bearing internals from dust, moisture, and other contaminants, significantly enhancing service life in harsh environments.
Simplified Assembly: The inclusion of a snap ring groove (NR) on the outer ring eliminates the need for complex housing shoulders or end caps, reducing assembly time and cost.
Reliable Performance: Constructed entirely from chrome steel, including the rings, balls, and cage, this bearing ensures high strength and durability. The standard CN radial internal clearance is suitable for a wide range of operating conditions.
Ready-to-Use: The bearing comes pre-lubricated, making it a maintenance-free component for many applications within its specified temperature range.
6303-2RSNRJEM Bearing Typical Application Areas
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor System Idler Rolls
- Agricultural Machinery
- Material Handling Equipment
- Automotive Components (e.g., alternators, starters)
