6213-2RS1/C3 GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6213-2RS1/C3 GJN Bearing Product Overview & Core Advantages
The 6213-2RS1/C3 GJN is a sealed single row deep groove ball bearing engineered for robust performance and long service life. This metric bearing is designed to primarily handle radial loads and is characterized by its high operational reliability. Its key advantages include the integrated contact seals (2RS1) for effective contamination exclusion, a C3 radial internal clearance suitable for applications with thermal expansion, and a GJN designation indicating a polyamide cage for quiet operation and high-speed capability. This combination makes it an excellent choice for a wide range of industrial applications demanding precision and durability.
Model Code Breakdown
- 6213: Basic model number denoting a single row deep groove ball bearing with a 65mm bore and 120mm outside diameter.
- 2RS1: Signifies that the bearing is fitted with two-sided, contact seals made of NBR rubber. This provides superior protection against contaminants and retains lubricant.
- C3: Indicates a greater than normal radial internal clearance. This is ideal for applications where thermal expansion of the shaft and housing is expected, preventing pre-load and ensuring smooth operation.
- GJN: Designates a molded glass fiber reinforced polyamide (nylon) cage, window-type, guided by the outer ring. This cage material contributes to low noise, low friction, and high-speed performance.
6213-2RS1/C3 GJN Bearing Structural Features & Performance Benefits
The design of the 6213-2RS1/C3 GJN translates directly into tangible performance benefits:
- High Reliability & Contamination Resistance: The two-contact rubber seals (2RS1) effectively shield the internal components from dust, moisture, and other abrasive particles, significantly extending the bearing's service life in harsh environments.
- Optimized Internal Clearance: The C3 clearance provides operational stability in applications with elevated operating temperatures or where fits result in a reduction of internal clearance, preventing binding and reducing friction.
- Enhanced High-Speed Capability: The lightweight and robust polyamide cage (GJN) ensures excellent dimensional stability and low centrifugal forces, enabling higher limiting speeds and quieter operation compared to some metallic cages.
- Robust Load Capacity: Manufactured from chrome steel for both rings and balls, this bearing offers a high dynamic load rating of 12,859 lbf and a static load rating of 9,015 lbf, ensuring durability under significant radial loads.
6213-2RS1/C3 GJN Bearing Typical Application Areas
The 6213-2RS1/C3 GJN is a versatile component suited for a broad spectrum of industrial machinery, including:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Pumps and Compressors
- Ventilation and Fan Systems
