6305 NR
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 NR Bearing Product Overview & Core Advantages
The 6305 NR is a single row deep groove ball bearing designed for exceptional radial load capacity and reliable performance in various industrial applications. This metric bearing features a snap ring groove on its outer ring, enabling simplified axial location within a housing without requiring complex machining. Manufactured with high-grade chrome steel rings and balls, along with a stainless steel cage, it delivers durability and consistent operation. Its open design allows for versatile lubrication options, making it suitable for applications where specific lubricants are preferred. With a standard P0 tolerance class and CN radial internal clearance, it offers a cost-effective solution for general machinery requiring robust and precise rotation.
6305 NR Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation indicating a medium width and a robust load-carrying capacity. |
| 05 | Bore diameter code, corresponding to a 25 mm bore. |
| NR | Signifies the outer ring has a snap ring groove and is supplied with a snap ring. This feature aids in axial location and simplifies housing design. |
6305 NR Bearing Structural Features & Performance Benefits
- Snap Ring Groove for Axial Location: The integrated groove and supplied snap ring (Outside diameter: 67.7 mm, Width: 1.7 mm) provide a secure and simple method for axially positioning the bearing within the housing, reducing assembly complexity and cost.
- High Radial Load Capacity: The single row deep groove construction is optimized to handle significant radial dynamic load ratings of 5261 lbf and static load ratings of 2608 lbf, ensuring reliable performance under demanding conditions.
- Robust Material Construction: Components made from chrome steel and a stainless steel cage offer high strength, wear resistance, and corrosion resistance, contributing to a long service life.
- Versatile Lubrication & High-Speed Capability: The open seal type allows for the application of various greases or oils tailored to specific operational needs. Combined with the stable cage, it supports a limiting speed of 16,000 rpm.
- Precision & Consistency: Manufactured to P0 tolerance class and CN radial internal clearance, this bearing ensures consistent running accuracy and smooth operation in general industrial applications.
6305 NR Bearing Typical Application Areas
The 6305 NR bearing is widely used in applications requiring reliable radial support and simplified axial location. Key sectors include:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General Industrial Machinery where cost-effective and robust bearing solutions are paramount.
