313-ZN
300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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313-ZN Bearing Product Overview & Core Advantages
The 313-ZN is a single row deep groove ball bearing engineered for exceptional radial load capacity and reliable performance in demanding applications. Featuring shielded protection (ZN designation) on both sides, this bearing offers superior contamination resistance while maintaining optimal operational characteristics. Its snap ring groove design enables simplified axial positioning during installation, making it ideal for applications requiring precise mounting. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing delivers consistent performance with a high radial dynamic load rating of 22,931 lbf, ensuring long service life under substantial loads.
313-ZN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| 313 | Standard bearing series designation | Defines basic dimensions: 65mm bore, 140mm OD, 33mm width |
| Z | Single shield on one side | Protects against contaminants from one direction |
| N | Snap ring groove on outer ring | Enables secure axial positioning without additional components |
313-ZN Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove raceway geometry ensures efficient radial load distribution, maximizing bearing life and reliability under substantial forces.
Enhanced Contamination Protection: The shielded design (ZN) provides effective protection against solid contaminants while allowing for high-speed operation up to 5,300 rpm.
Simplified Installation: The integrated snap ring groove eliminates the need for complex housing designs, reducing assembly time and costs while ensuring precise axial location.
Premium Material Construction: Manufactured entirely from chrome steel for rings, balls, and cage, this bearing offers excellent wear resistance and dimensional stability across the operating temperature range of -30°C to 120°C.
313-ZN Bearing Typical Application Areas
- Electric Motors and industrial drives requiring reliable radial support
- Gearboxes and transmission systems where precise shaft positioning is critical
- Industrial Pumps and compressors operating in contaminated environments
- Material Handling Equipment requiring robust bearing performance
- Agricultural Machinery components subject to heavy radial loads
- Automotive Components where snap ring mounting simplifies assembly
