6309-2Z/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6309-2Z/C3GJN Bearing Product Overview & Core Advantages
The 6309-2Z/C3 is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This metric bearing features integral shielded seals for contaminant protection and is manufactured to ABEC 1 | ISO P0 tolerance standards, ensuring reliable and consistent operation. Its key advantages include a high radial dynamic load rating of 11,915 lbf, making it suitable for applications with significant radial loads. The predefined C3 radial internal clearance is ideal for applications involving thermal expansion or where interference fits are used, providing stable performance across a wide temperature range from -30°C to 120°C.
6309-2Z/C3GJN Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| 6309 | Standard designation for a single row deep groove ball bearing with a 45mm bore, 100mm OD, and 25mm width. | Defines the core bearing dimensions and type. |
| 2Z | Signifies the bearing is equipped with shielded seals on both sides. | Provides effective protection against solid contaminants, retaining grease and enhancing bearing life. |
| /C3 | Indicates a greater than normal radial internal clearance. | Accommodates thermal expansion in the shaft or housing, preventing preload and ensuring smooth operation. |
6309-2Z/C3GJN Bearing Structural Features & Performance Benefits
Constructed entirely from chrome steel, including the rings, balls, and cage, the 6309-2Z/C3 offers high strength and durability. The single row deep groove geometry is optimized for carrying high radial loads, while also being capable of accommodating moderate axial loads in both directions. The shielded (2Z) design effectively excludes contaminants while minimizing friction, contributing to the bearing's limiting speed of 6,700 rpm. The C3 clearance is a critical feature for applications where operational temperatures fluctuate or where press-fits are employed, as it prevents binding and reduces operational noise and heat generation. The bearing is supplied without lubrication (None), providing flexibility for the user to apply a lubricant best suited for the specific application environment.
6309-2Z/C3GJN Bearing Typical Application Areas
- Electric Motors and Generators: For supporting shafts under radial loads at moderate to high speeds.
- Industrial Gearboxes: As a reliable component for power transmission systems.
- Material Handling Equipment: Including conveyor pulleys and rollers.
- Agricultural Machinery: In applications such as pulleys and fan supports.
- General Industrial Machinery: A versatile choice for pumps, blowers, and other machinery requiring robust radial load support.
