61904-2RS1/W64L
618 & 619 Series Thin Section Bearings
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61904-2RS1/W64L Bearing Product Overview & Core Advantages
The 61904-2RS1/W64L is a metric single row deep groove ball bearing designed for high reliability in compact spaces. This sealed bearing excels in applications requiring robust radial load capacity and maintenance-free operation. Its Solid Oil lubrication and sealed construction ensure consistent performance across a wide temperature range, making it an ideal solution for applications demanding long service life and minimal maintenance.
61904-2RS1/W64L Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61904 | Basic model: Deep groove ball bearing series with 20mm bore, 37mm OD, 9mm width |
| 2RS1 | Contact rubber seals on both sides for superior contamination protection |
| W64L | Solid Oil lubrication system for lifetime lubrication and maintenance-free operation |
61904-2RS1/W64L Bearing Structural Features & Performance Benefits
Optimized Radial Load Capacity: The single row deep groove raceway geometry is engineered to handle substantial radial loads (1432 lbf dynamic rating) while maintaining smooth operation.
Maintenance-Free Design: The combination of 2RS1 contact seals and Solid Oil lubrication (W64L) creates a completely sealed environment, eliminating the need for relubrication and protecting against contamination throughout the bearing's service life.
Precision Performance: Manufactured to ABEC 1 | ISO P0 tolerance class with CN radial internal clearance, this bearing delivers consistent running accuracy and low vibration for smooth operation up to 26,000 rpm.
Wide Temperature Compatibility: The chrome steel construction and specialized Solid Oil lubricant enable reliable operation across a broad temperature range from -30°C to 120°C.
61904-2RS1/W64L Bearing Typical Application Areas
- Small electric motors and miniature gearboxes requiring compact, maintenance-free solutions
- Office automation equipment including printers, scanners, and copiers
- Medical devices and dental handpieces where reliability and cleanliness are critical
- Food processing machinery components requiring sealed bearing protection
- Automotive accessories such as blower motors and small pumps
