313SG
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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313SG Bearing Product Overview & Core Advantages
The 313SG is a single row deep groove ball bearing designed for high-performance industrial applications requiring reliable radial load capacity and precision operation. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing delivers consistent performance in demanding environments. Its open design allows for custom lubrication solutions while maintaining excellent dimensional stability. The bearing's optimized internal geometry contributes to smooth operation and extended service life, making it an ideal choice for applications where high rotational speeds and operational reliability are critical requirements.
Model Code Detailed Analysis
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| 313 | Standard series designation indicating specific bearing dimensions | Defines the 65mm bore × 140mm OD × 33mm width configuration |
| SG | Special grade designation | Indicates enhanced manufacturing quality and performance characteristics |
313SG Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The deep groove raceway design enables efficient handling of radial loads while accommodating moderate axial loads in both directions, providing versatile load-carrying capabilities.
Premium Material Construction: All critical components including rings, balls, and cage are manufactured from chrome steel, ensuring consistent hardness, wear resistance, and dimensional stability under varying operational conditions.
High-Speed Capability: With a limiting speed of 5,300 rpm, the bearing is engineered for applications requiring rapid rotation while maintaining operational precision and thermal stability.
Precision Engineering: Manufactured to ABEC 1 | ISO P0 tolerance class with CN radial internal clearance, ensuring consistent performance and reliable operation in precision applications.
Customizable Lubrication: The open seal type allows for application-specific lubrication selection, enabling optimization for specific operating conditions and temperature ranges (-30°C to 120°C).
313SG Bearing Typical Application Areas
- Industrial Electric Motors: Main shaft support in medium to large motors requiring reliable radial load capacity
- Material Handling Equipment: Conveyor systems, pulley assemblies, and gearbox applications
- Agricultural Machinery: Implement drives, PTO shafts, and harvesting equipment
- Industrial Pumps & Compressors: Rotor support in centrifugal pumps and compressor systems
- General Industrial Machinery: Machine tools, transmission systems, and industrial fans
