6305-ZNR
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-ZNR Bearing Product Overview & Core Advantages
The 6305-ZNR is a single row deep groove ball bearing designed for exceptional reliability in radial load applications. This metric bearing features a snap ring on its outer ring for simplified axial location within a housing, reducing assembly complexity and cost. Its shielded construction and pre-lubricated design ensure long-term performance with minimal maintenance. Engineered with high-grade chrome steel components and a stainless steel cage, it delivers robust performance, making it an ideal choice for applications demanding high precision and operational durability.
6305-ZNR Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| -Z | Shield on one side | Protects against contaminant ingress from one side, retaining lubricant. |
| -NR | Snap Ring (fitted on outer ring) | Enables secure axial positioning, eliminating the need for a complex housing shoulder and simplifying design. |
6305-ZNR Bearing Structural Features & Performance Benefits
- Simplified Axial Location: The integrated snap ring groove and fitted ring provide a positive locating feature, enhancing assembly accuracy and reducing the overall system footprint.
- Robust Radial Load Capacity: The single row deep groove raceway design is optimized to handle significant radial dynamic loads (5261 lbf) and radial static loads (2608 lbf), ensuring reliable performance under demanding conditions.
- Enhanced Contamination Protection: The shielded design effectively seals the bearing, protecting the grease lubrication and internal components from dust and debris, which contributes to a longer service life.
- High-Speed Capability: The combination of a stainless steel cage and optimized internal geometry allows for a high limiting speed of 16,000 rpm, suitable for a wide range of industrial applications.
- Maintenance-Free Operation: Being pre-lubricated with grease and shielded, the bearing is ready for immediate use and requires no relubrication in many applications, reducing lifecycle costs.
6305-ZNR Bearing Typical Application Areas
The 6305-ZNR is widely used in various industrial sectors due to its versatile design and reliable performance. Common applications include:
- Electric Motors and Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems
- Agricultural Machinery
- Material Handling Equipment
