6307-2RS1TN/C3
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6307-2RS1TN/C3 Bearing Product Overview & Core Advantages
The 6307-2RS1TN/C3 is a sealed single row deep groove ball bearing engineered for robust performance in demanding applications. Its primary strength lies in its ability to efficiently handle radial loads while accommodating moderate axial loads in both directions. The combination of a nylon cage (TN), synthetic rubber seals (2RS1), and a greater than normal radial internal clearance (C3) makes it an ideal choice for applications with thermal expansion concerns, moderate speeds, and requirements for long-term, maintenance-free operation.
6307-2RS1TN/C3 Bearing Model Code Explained, Specifications & Naming Convention
- 6307: Basic model number denoting a metric, single row deep groove ball bearing with a 35mm bore, 80mm OD, and 21mm width.
- 2RS1: Signifies contact seals made of synthetic rubber (NBR) on both sides. These provide superior protection against contaminants compared to non-contact shields, retaining lubricant effectively.
- TN: Indicates the cage material is glass fiber reinforced polyamide 66 (Nylon 66). This cage offers low friction, quiet operation, and is suitable for high-speed applications.
- C3: Denotes a greater than normal radial internal clearance. This is specifically designed for applications where interference fits or thermal expansion may reduce the operational clearance, preventing premature bearing failure.
6307-2RS1TN/C3 Bearing Structural Features & Performance Benefits
Enhanced Contamination Resistance & Lubrication Retention: The 2RS1 double lip seals are in light contact with the inner ring, creating an effective barrier against dust, moisture, and other contaminants. This design also ensures the pre-grease is retained for the bearing's service life, enabling maintenance-free operation.
Optimized High-Speed Capability: The lightweight TN nylon cage reduces centrifugal forces and friction, contributing to lower operating temperatures and supporting the bearing's limiting speed of 8,500 rpm.
Accommodation for Thermal and Fit Conditions: The C3 radial internal clearance is a critical feature for applications involving shaft or housing interference fits, or where operational temperatures cause significant thermal expansion of the components. It prevents excessive preloading that can lead to overheating and reduced bearing life.
Robust Load Capacity: Manufactured from high-grade chrome steel, the bearing provides a substantial dynamic load rating of 7,509 lbf and a static load rating of 4,339 lbf, ensuring reliable performance under demanding radial load conditions.
6307-2RS1TN/C3 Bearing Typical Application Areas
- Electric Motors: A standard choice for a wide range of industrial and domestic motors, benefiting from the sealed, maintenance-free design.
- Gearboxes and Power Transmission Systems: Used where moderate speeds and reliable, long-term performance are required.
- Agricultural Machinery: Ideal for equipment exposed to dusty or humid environments, such as conveyor systems and rollers.
- Material Handling Equipment: Commonly found in pulleys, idlers, and fans where contamination resistance is crucial.
- Industrial Pumps and Compressors: Suitable for applications with standard duty cycles and moderate operational speeds.
