6309-2RS1/C3
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6309-2RS1/C3 Bearing Product Overview & Core Advantages
The 6309-2RS1/C3 is a sealed single row deep groove ball bearing designed for robust performance in demanding applications. Engineered with metric dimensions and manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing offers a reliable solution for carrying significant radial loads. Its key advantages include extended service life through integrated sealing (2RS1) and optimized operational performance under various conditions due to its C3 radial internal clearance. This combination makes it an ideal, maintenance-friendly component for general industrial machinery.
6309-2RS1/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6309 | Basic model number denoting a single row deep groove ball bearing with a 45mm bore, 100mm OD, and 25mm width. |
| 2RS1 | Signifies contact-type rubber seals on both sides. This provides superior protection against contaminants and retains lubricant effectively. |
| C3 | Indicates a greater than normal radial internal clearance. This is beneficial for applications with thermal expansion, heavy loads, or where interference fits are used. |
6309-2RS1/C3 Bearing Structural Features & Performance Benefits
- Robust Load Capacity: The single row deep groove raceway and chrome steel construction (rings, balls, cage) provide a high dynamic load rating of 11915 lbf and static load rating of 7194 lbf, ensuring durability under significant radial stresses.
- Effective Sealing & Contamination Resistance: The 2RS1 contact seals on both sides effectively shield the internal components from dust, moisture, and other contaminants, significantly extending bearing life in harsh environments.
- Optimized Internal Clearance: The C3 clearance group accommodates thermal expansion and interference fits, preventing premature failure due to excessive preload and ensuring stable operation across the specified temperature range of -30°C to 120°C.
- High-Speed Capability: With a limiting speed of 6,700 rpm, this bearing is suitable for a wide range of industrial applications requiring moderate to high rotational velocities.
6309-2RS1/C3 Bearing Typical Application Areas
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring reliable, sealed bearing solutions.