61909-2RS1/C3GJN
618 & 619 Series Thin Section Bearings
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61909-2RS1/C3GJN Bearing Product Overview & Core Advantages
The 61909-2RS1/C3GJN is a metric single row deep groove ball bearing designed for high-performance applications requiring reliable operation under radial loads. Featuring integrated contact seals (2RS1), this bearing offers excellent contamination protection while maintaining smooth operation. Manufactured to ABEC 1 | ISO P0 tolerance standards with C3 radial internal clearance, it delivers consistent performance and extended service life in various industrial environments. Its compact design with 45mm bore diameter and 12mm width makes it ideal for space-constrained applications.
Model Code Detailed Explanation
| Code Segment | Technical Meaning | Significance |
| 61909 | Deep Groove Ball Bearing Series | Standard single row design for radial loads |
| 2RS1 | Double Contact Seals on Both Sides | Superior protection against contaminants and moisture |
| C3 | Greater than Normal Radial Clearance | Accommodates thermal expansion in high-temperature applications |
| GJN | Polyurea Grease with Temperature Range -30°C to +120°C | Pre-lubricated for maintenance-free operation across wide temperature range |
61909-2RS1/C3GJN Bearing Structural Features & Performance Benefits
Optimized Seal Design: The double contact seals (2RS1) provide excellent protection against dust, dirt, and moisture ingress while maintaining low friction torque, making them ideal for contaminated environments.
Enhanced Load Capacity: With a radial dynamic load rating of 3147 lbf and radial static load rating of 2428 lbf, this bearing delivers reliable performance under substantial radial loads.
Precision Engineering: Manufactured to ABEC 1 | ISO P0 tolerance class with precise bore diameter tolerance (-0.01mm to 0) ensures consistent performance and proper fit in housing applications.
Wide Temperature Compatibility: The polyurea grease (GJN) enables operation across a broad temperature range from -30°C to 120°C, suitable for various industrial environments.
High-Speed Capability: With a limiting speed of 13,000 rpm, this bearing supports high-speed applications while maintaining stability and reliability.
61909-2RS1/C3GJN Bearing Typical Application Areas
- Electric Motors - For rotor support in small to medium-sized industrial motors
- Industrial Pumps - Providing reliable shaft support in various pump types
- Gearboxes - Supporting shafts in reduction gear units and transmission systems
- Material Handling Equipment - Conveyor systems and automated handling machinery
- Agricultural Machinery - Implement drives and auxiliary equipment requiring sealed bearings
- Automotive Components - Auxiliary drives, alternators, and accessory systems
