6313-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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6313-ZNR Bearing Product Overview & Core Advantages
The 6313-ZNR is a single row deep groove ball bearing designed for high reliability and robust performance in demanding applications. This metric bearing is characterized by its ability to handle significant radial loads and moderate axial loads in both directions. A key feature is the integral snap ring on the outer ring, which simplifies axial location within a housing, and the shielded design that protects against contamination. Manufactured to P0 tolerance class and pre-lubricated with grease, it offers a compact, ready-to-install solution for a wide range of industrial machinery, ensuring long service life and minimal maintenance.
Model Code Breakdown
- 6313: Standard designation for a single row deep groove ball bearing with a 65 mm bore and 140 mm outside diameter.
- Z: Denotes a shielded (non-contact) seal on one side of the bearing, protecting the internal components from large particulate contaminants while maintaining low friction.
- NR: Indicates that the outer ring features a snap ring groove and a snap ring is fitted. This allows for simplified axial positioning and secure mounting in the housing without the need for complex housing shoulders or end caps.
6313-ZNR Bearing Structural Features & Performance Benefits
Robust Load Capacity: With a high dynamic load rating of 21,919 lbf and a static load rating of 13,489 lbf, the 6313-ZNR is engineered to withstand substantial radial forces, making it suitable for heavy-duty applications.
Simplified Installation and Axial Location: The presence of the fitted snap ring on the outer ring (OD: 149.7 mm) eliminates the need for complex housing designs. This feature provides a positive axial stop, reducing assembly time and cost.
Contamination Protection and Longevity: The shielded (Z) design effectively prevents the ingress of large particles, safeguarding the precision-ground chrome steel rings and balls. Combined with the stainless steel cage, this ensures stable operation and extends bearing service life.
Ready-to-Use Lubrication: Pre-lubricated with grease, the bearing is operational immediately upon installation. The specified temperature range of -30°C to 120°C ensures performance stability across a wide operational envelope.
6313-ZNR Bearing Typical Application Areas
The 6313-ZNR is ideally suited for applications requiring reliable radial support and simplified housing design. Common uses include:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
