61905-2RS1/W64F
618 & 619 Series Thin Section Bearings
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61905-2RS1/W64F Bearing Product Overview & Core Advantages
The 61905-2RS1/W64F is a single row deep groove ball bearing designed for high reliability in compact spaces. This metric bearing excels in applications requiring robust radial load capacity and features integrated sealing for enhanced contamination protection. Its solid oil lubrication and precision ABEC 1 (ISO P0) tolerance ensure consistent performance and long service life, making it an ideal choice for demanding industrial applications where space is limited and reliability is critical.
61905-2RS1/W64F Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| 61905 | Standard deep groove ball bearing series with 25mm bore, 42mm OD, 9mm width | Compact dimensions, high radial load capacity |
| 2RS1 | Contact rubber seals on both sides | Superior protection against contaminants and moisture ingress |
| W64F | Solid Oil lubrication filling | Maintenance-free operation, extended relubrication intervals, suitable for high-speed applications |
61905-2RS1/W64F Bearing Structural Features & Performance Benefits
Optimized Deep Groove Raceway: The single row design with deep raceway grooves provides excellent radial load capacity and smooth operation at limiting speeds up to 22,000 rpm.
Double-Sided Sealing System: The 2RS1 contact seals effectively retain lubrication and exclude contaminants, significantly extending bearing service life in harsh environments.
Solid Oil Technology: The W64F Solid Oil filling replaces traditional grease, offering superior lubrication retention, reduced maintenance requirements, and reliable performance across the temperature range of -30°C to 120°C.
Precision Manufacturing: Manufactured to ABEC 1 (ISO P0) tolerance standards with CN radial internal clearance, ensuring consistent performance, low noise, and minimal vibration.
61905-2RS1/W64F Bearing Typical Application Areas
- Small Electric Motors: Ideal for compact motor designs requiring reliable, maintenance-free operation
- Precision Instruments: Suitable for medical devices, optical equipment, and measuring instruments
- Office Automation Equipment: Used in printers, scanners, and copiers where quiet operation is essential
- Automotive Components: Applications in electric power steering systems, pumps, and auxiliary motors
- Industrial Gearboxes: Compact power transmission systems requiring high-speed capability
