6309-RSJEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6309-RSJEM Bearing Product Overview & Core Advantages
The 6309-RSJEM is a single row deep groove ball bearing featuring integrated seals for superior contamination protection. Engineered with metric dimensions and manufactured to ABEC 1 | ISO P0 precision standards, this bearing delivers reliable performance in demanding applications. Its optimized internal geometry enables high radial load capacity while maintaining smooth operation across a wide temperature range. The combination of chrome steel components and effective sealing makes it an ideal solution for applications requiring long service life with minimal maintenance.
6309-RSJEM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| RS | Contact Rubber Seal on One Side | Effective protection against contaminants while retaining lubricant |
| J | Pressed Steel Cage | Lightweight construction suitable for high-speed applications |
| EM | Electric Motor Quality | Optimized for quiet operation and reduced vibration in electric motors |
6309-RSJEM Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The raceway design provides excellent radial load capacity while accommodating moderate axial loads in both directions, making it versatile for various mounting configurations.
Sealing Technology: The contact rubber seal (RS) creates an effective barrier against contaminants while retaining lubricant, significantly extending bearing service life in harsh environments.
Cage Design: The pressed steel cage (J) ensures optimal ball guidance and distribution, contributing to stable operation at the limiting speed of 6,700 rpm.
Material Quality: All-steel construction using chrome steel for rings, balls, and cage provides consistent hardness and wear resistance, supporting the dynamic load rating of 11,915 lbf and static load rating of 7,194 lbf.
6309-RSJEM Bearing Typical Application Areas
- Electric Motors: Particularly suited for industrial motors, pumps, and fans where quiet operation and reliability are essential
- Industrial Gearboxes: Provides durable support in speed reduction units and transmission systems
- Material Handling Equipment: Conveyor systems, pulley assemblies, and industrial wheels
- Agricultural Machinery: Implements and equipment requiring sealed bearing protection
- General Industrial Machinery: Various rotating equipment where standard precision and reliable performance are required
