61904-2RS1/W64F
618 & 619 Series Thin Section Bearings
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61904-2RS1/W64F Bearing Product Overview & Core Advantages
The 61904-2RS1/W64F is a metric single row deep groove ball bearing designed for high reliability in compact spaces. Its primary advantages stem from its sealed construction and integrated solid lubricant, making it a maintenance-free solution for applications demanding long service life and consistent performance. This bearing is engineered to handle primarily radial loads efficiently and is characterized by its ABEC 1 precision class and a wide operating temperature range, ensuring robust performance in various industrial environments.
Model Code In-Depth Explanation
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 61904 | Basic series designation for a metric single row deep groove ball bearing with a 20mm bore. | Standardized dimensions for easy interchangeability. |
| 2RS1 | Contact rubber seals on both sides. | Provides excellent protection against contaminants and retains lubricant, enhancing bearing life. |
| W64 | Solid Oil lubrication. | Eliminates lubricant leakage, offers a wide temperature range (-30°C to +120°C), and provides a maintenance-free, long-lasting solution. |
61904-2RS1/W64F Bearing Structural Features & Performance Benefits
Sealed and Lubricated for Life: The combination of 2RS1 rubber seals and W64 Solid Oil creates a completely sealed, maintenance-free unit. This design prevents the ingress of moisture and debris while ensuring optimal lubrication throughout the bearing's service life, significantly reducing downtime and maintenance costs.
Robust Load Capacity: Manufactured from chrome steel for both rings and balls, this bearing offers a high dynamic load rating of 1432 lbf and a static load rating of 821 lbf. The deep groove raceway is optimized to support significant radial loads, making it a durable choice for various mechanical drives.
Precision and Stability: Built to ABEC 1 (ISO P0) tolerance class with a standard CN radial internal clearance, this bearing provides reliable running accuracy and smooth operation, contributing to the overall performance and efficiency of the assembly.
61904-2RS1/W64F Bearing Typical Application Areas
The 61904-2RS1/W64F is ideally suited for applications requiring compact, sealed, and maintenance-free ball bearings. Common uses include:
- Small Electric Motors and Gear Motors
- Office Automation Equipment (e.g., printers, scanners)
- Medical Devices and Instrumentation
- Ventilation Fans and Blowers
- Conveyor System Idler Rolls
- Food Processing Machinery (where lubricant leakage is a concern)
