61905-2RS1
618 & 619 Series Thin Section Bearings
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Materials
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61905-2RS1 Bearing Product Overview & Core Advantages
The 61905-2RS1 is a metric single row deep groove ball bearing designed for precision applications requiring reliable performance in compact spaces. Featuring integrated rubber seals (2RS1) on both sides, this bearing provides excellent contamination protection while maintaining smooth operation. Its P6 tolerance class ensures high running accuracy, making it suitable for applications demanding precise rotational characteristics. The bearing's optimized internal geometry enables it to handle significant radial loads while accommodating moderate axial loads in both directions.
Model Code Detailed Explanation
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 61905 | Deep groove ball bearing series with 25mm bore diameter | Standardized dimensions for easy replacement and integration |
| 2RS1 | Contact rubber seals on both sides | Superior protection against contaminants and moisture ingress |
61905-2RS1 Bearing Structural Features & Performance Benefits
Optimized Internal Design: The deep groove raceway geometry enables efficient radial load distribution while accommodating combined loads. The stainless steel cage provides excellent durability and corrosion resistance, ensuring stable performance under various operating conditions.
Sealing Performance: The 2RS1 rubber contact seals create an effective barrier against dust, dirt, and other contaminants while retaining lubricant. This design significantly extends bearing service life in challenging environments.
Precision Engineering: Manufactured to P6 tolerance class with CN radial internal clearance, this bearing delivers consistent running accuracy and low vibration levels. The precision-ground chrome steel components ensure reliable operation at speeds up to 10,000 rpm.
Maintenance Advantages: Pre-lubricated with high-quality grease suitable for temperatures from -30°C to 120°C, the bearing offers long-term performance with minimal maintenance requirements.
61905-2RS1 Bearing Typical Application Areas
- Electric Motors: Small to medium-sized motors requiring reliable sealed bearing solutions
- Precision Instruments: Medical devices, measuring equipment, and laboratory instruments
- Automotive Components: Auxiliary drives, pumps, and electrical systems
- Industrial Machinery: Small gearboxes, conveyor systems, and material handling equipment
- Office Equipment: Printers, scanners, and copiers requiring quiet, reliable operation
