6305-2RS1NR/C3GJN
6300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6305-2RS1NR/C3GJN Bearing Product Overview & Core Advantages
The 6305-2RS1NR/C3GJN is a single row deep groove ball bearing engineered for exceptional reliability in demanding applications. This sealed bearing features integral contact seals and a snap ring groove on its outer ring, providing robust contamination protection and simplified axial location within a housing. Manufactured to ABEC 1 | ISO P0 tolerance standards with a C3 radial internal clearance, it delivers consistent performance under a wide range of operating conditions, making it an ideal choice for applications requiring high reliability and ease of installation.
Model Code Breakdown
| Code Segment | Technical Meaning | Advantage |
|---|---|---|
| 6305 | Standard series designation for a medium-duty, single row deep groove ball bearing. | Proven design with wide availability. |
| 2RS1 | Bearing is fitted with contact seals on both sides. | Superior protection against contaminants and retention of lubricant. |
| NR | Outer ring has a snap ring groove. | Simplifies axial location and secure mounting in the housing. |
| C3 | Specifies a greater than normal radial internal clearance. | Accommodates thermal expansion, ideal for applications with temperature variations. |
| GJN | Indicates the bearing is pre-lubricated with a specific grease. | Ready for immediate use, offering long-term lubrication for the bearing's service life. |
6305-2RS1NR/C3GJN Bearing Structural Features & Performance Benefits
Robust Sealing & Mounting: The combination of 2RS1 contact seals and an NR snap ring groove provides a complete solution for harsh environments. The seals effectively exclude contaminants like dust and moisture, while the snap ring simplifies assembly and enhances positional stability, reducing the risk of creep under load.
Optimized Internal Clearance: The C3 radial clearance is a key performance feature. It allows for differential thermal expansion between the inner and outer rings, preventing preload and potential seizure in applications with significant temperature fluctuations or where fits result in a reduction of operational clearance.
Ready-to-Install Design: As a pre-lubricated (GJN) and sealed unit, this bearing is delivered ready for service. This maintenance-free characteristic reduces assembly time, eliminates the need for re-lubrication, and ensures optimal performance from startup.
6305-2RS1NR/C3GJN Bearing Typical Application Areas
The 6305-2RS1NR/C3GJN is well-suited for a broad spectrum of industrial machinery where reliability and simplified maintenance are critical. Common applications include:
- Electric Motors and Gearboxes
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- Industrial Fans and Blowers
- Pumps and Compressors
