629-2RSH/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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629-2RSH/C3GJN Bearing Product Overview & Core Advantages
The 629-2RSH/C3GJN is a sealed single row deep groove ball bearing engineered for high reliability in demanding applications. This metric bearing excels at handling radial loads while offering robust performance. Its key advantages include a C3 radial internal clearance for optimal operation under thermal expansion, and integral 2RSH seals that provide superior protection against contaminants. Manufactured to ABEC 1 | ISO P0 tolerance standards, it delivers consistent precision and is designed for applications requiring dependable, long-lasting performance without external lubrication.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 629 | Standard series designation for a single row deep groove ball bearing. |
| 2RSH | Contact seals on both sides. The "RSH" suffix indicates high-performance nitrile rubber (NBR) seals with a steel reinforcement, offering excellent exclusion of contaminants and retention of grease. |
| C3 | Radial internal clearance greater than normal (C0). This is optimal for applications where thermal expansion of the shaft and housing is expected, preventing preload and ensuring smooth operation. |
| GJN | Indicates the bearing is pre-lubricated with a specific high-quality, lithium-based grease. This grease is suitable for the specified temperature range and provides long-term lubrication for the bearing's service life. |
629-2RSH/C3GJN Bearing Structural Features & Performance Benefits
- Robust Sealing for Enhanced Lifespan: The 2RSH contact seals effectively shield the internal components from dust, moisture, and other contaminants. This results in a maintenance-free design with a significantly extended service life, even in harsh environments.
- Optimized Internal Clearance for Stable Operation: The C3 clearance is a critical feature that accommodates differential thermal expansion between the bearing and its surrounding components. This prevents binding and excessive friction, ensuring reliable performance under varying operational temperatures.
- Pre-lubricated for Immediate Use: Filled with GJN grease, the bearing is ready for installation and operation without the need for additional lubrication. This simplifies the assembly process and guarantees optimal lubrication from the first rotation.
- Precision Manufacturing: Conforming to ABEC 1 | ISO P0 tolerance class, this bearing offers high running accuracy and low vibration, making it suitable for a wide range of general precision applications.
629-2RSH/C3GJN Bearing Typical Application Areas
- Small Electric Motors (e.g., appliance motors, fan motors)
- Power Tools
- Automotive Auxiliary Units (e.g., idler pulleys, small pumps)
- Office Machinery and Computer Peripherals
- Conveyor Systems and Material Handling Equipment
- General Industrial Machinery requiring reliable, sealed bearings