6303NRJ
6300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6303NRJ Bearing Product Overview & Core Advantages
The 6303NRJ is a single row deep groove ball bearing designed for reliable performance in radial load applications. This metric bearing features a snap ring groove on its outer ring, enabling secure axial positioning within the housing. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers excellent value for general industrial applications requiring consistent operation and high limiting speed capabilities.
6303NRJ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation indicating medium width and medium diameter |
| 03 | Bore diameter code (17 mm) |
| NR | Snap ring groove on outer ring for axial positioning |
| J | Pressed steel cage design |
6303NRJ Bearing Structural Features & Performance Benefits
Snap Ring Groove Design: The outer ring locating feature with snap ring groove provides simplified installation and secure axial positioning, reducing assembly complexity and costs.
Radial Load Capacity: The single row deep groove construction delivers excellent radial dynamic load rating of 3057 lbf, making it suitable for moderate to high radial load applications.
High-Speed Performance: With a limiting speed of 15,000 rpm, this bearing supports demanding rotational requirements in various industrial applications.
Material Quality: Manufactured entirely from chrome steel (rings, balls, and cage), ensuring consistent performance, durability, and reliable operation across the temperature range of -30°C to 120°C.
Standard Clearance: Features CN radial internal clearance for general operating conditions and thermal expansion considerations.
6303NRJ Bearing Typical Application Areas
- Electric Motors and small power transmission systems
- Industrial Gearboxes and speed reducers
- Agricultural Machinery components and implements
- Material Handling Equipment including conveyor systems
- Automotive Components such as alternators and pumps
- General Industrial Machinery requiring reliable radial support
