6004-2Z/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6004-2Z/C3GJN Bearing Product Overview & Core Advantages
The 6004-2Z/C3GJN is a metric single row deep groove ball bearing engineered for high-performance industrial applications. This shielded bearing is designed to primarily handle radial loads with excellent operational efficiency. Its key advantages include a robust construction from chrome steel for durability, integrated shields (2Z) for contaminant protection, and a C3 radial internal clearance suitable for applications with thermal expansion or interference fits. It offers a reliable, maintenance-free solution for a wide range of machinery, balancing performance with long service life.
6004-2Z/C3GJN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6004 | Basic model number denoting a metric single row deep groove ball bearing with a 20mm bore, 42mm OD, and 12mm width. |
| 2Z | Signifies bearings with shields on both sides. This provides effective protection against solid contaminants while allowing for higher limiting speeds compared to contact seals. |
| C3 | Indicates a greater than normal radial internal clearance. This is advantageous in applications where thermal expansion, shaft interference fits, or heavy loads are expected, preventing premature failure due to excessive preload. |
| GJN | This suffix denotes the specific cage design and material. In this case, it refers to a pressed steel cage, which is lightweight and robust, contributing to the bearing's high limiting speed and dynamic performance. |
6004-2Z/C3GJN Bearing Structural Features & Performance Benefits
The performance of the 6004-2Z/C3 is derived from its precise construction and design choices:
- High Load Capacity & Rigidity: The single row deep groove raceway and high-grade chrome steel construction provide a high radial dynamic load rating of 2113 lbf and static load rating of 1135 lbf, ensuring stable operation under significant stress.
- Optimized for Speed: The combination of the low-friction pressed steel cage (GJN) and non-contact shields (2Z) allows for a high limiting speed of 17,000 rpm, making it suitable for high-speed applications.
- Enhanced Operational Reliability: The C3 clearance provides a safety margin against thermal expansion, reducing the risk of seizure. The shielded design offers a maintenance-free solution by retaining factory-applied grease and excluding contaminants, extending bearing life in dirty environments.
- Precision Manufacturing: Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing ensures consistent performance, reduced vibration, and smooth rotation.
6004-2Z/C3GJN Bearing Typical Application Areas
The 6004-2Z/C3GJN is a versatile component found in a wide array of industrial machinery and equipment, including:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Power Tools and Appliance Motors
