6320-2Z/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6320-2Z/C3GJN Bearing Product Overview & Core Advantages
The 6320-2Z/C3GJN is a single row deep groove ball bearing designed for robust performance in demanding applications. This shielded bearing excels at handling high radial loads and moderate axial loads in both directions. Its key advantages include a generous C3 radial internal clearance for thermal expansion management, pre-lubrication for immediate operation, and integrated shields that provide effective contaminant protection without significantly impacting speed capability. This combination makes it an ideal, cost-effective solution for applications requiring high reliability and long service life with minimal maintenance.
6320-2Z/C3GJN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6320 | Basic series designation for a medium-duty, single row deep groove ball bearing. | Defines standard dimensions (100mm bore, 215mm OD, 47mm width). |
| 2Z | Bearing is equipped with non-contact shields on both sides. | Provides effective protection against dust and dirt while allowing for higher limiting speeds compared to contact seals. |
| C3 | Specifies a greater than normal radial internal clearance. | Accommodates thermal expansion in applications with heavy loads or where operational temperatures are elevated, preventing premature failure. |
| GJN | Indicates the bearing is pre-lubricated with a specific polyurea-based grease. | Ensures immediate, maintenance-free operation out-of-the-box and offers a wide temperature range suitability. |
6320-2Z/C3GJN Bearing Structural Features & Performance Benefits
- Optimized Raceway and Ball Design: The deep groove geometry and precision-ground chrome steel components enable smooth operation and high radial load capacity (38,892 lbf dynamic / 31,698 lbf static).
- Robust Shielded Construction: The 2Z shields are pressed into the outer ring, creating an effective barrier against particulate contamination. This design maintains a low operating torque and supports a limiting speed of 2,800 rpm.
- Controlled Internal Clearance: The C3 clearance is a critical feature for applications prone to thermal expansion, ensuring stable performance and preventing seizure under high-load or high-temperature conditions.
- High-Quality Material & Construction: Manufactured from chrome steel for rings, balls, and cage, the bearing provides high strength, durability, and resistance to wear. The ABEC 1 (ISO P0) tolerance class guarantees consistent and reliable performance for a wide range of industrial applications.
6320-2Z/C3GJN Bearing Typical Application Areas
The 6320-2Z/C3GJN is engineered for versatility and is commonly specified in:
- Industrial Electric Motors and Gearboxes
- Material Handling Equipment such as conveyor pulleys
- Agricultural Machinery (e.g., tractor wheels, harvesters)
- Ventilation and Fan Systems
- Pumps and Compressors
- General Industrial Machinery requiring reliable, shielded bearings
