61904-2RS1
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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61904-2RS1 Bearing Product Overview & Core Advantages
The 61904-2RS1 is a metric single row deep groove ball bearing designed for exceptional performance in compact spaces. Featuring integrated rubber seals (2RS1) and pre-lubrication, this bearing delivers reliable operation with minimal maintenance. Its P6 tolerance class ensures high running accuracy, making it ideal for applications demanding precise rotational performance and robust radial load capacity while operating within a wide temperature range of -30°C to 120°C.
61904-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 61904 | Deep groove ball bearing series with 20mm bore, 37mm OD, 9mm width | Compact design for space-constrained applications |
| 2RS1 | Contact rubber seals on both sides | Effective contamination protection and grease retention |
61904-2RS1 Bearing Structural Features & Performance Benefits
Optimized Raceway Geometry: The deep groove raceways enable efficient handling of radial loads and moderate axial loads in both directions, providing versatile load capacity in a compact package.
Superior Sealing System: The 2RS1 rubber contact seals offer excellent protection against contaminants while effectively retaining lubricant, extending service life and enabling maintenance-free operation in many applications.
Precision Engineering: Manufactured to P6 tolerance class with CN radial clearance, this bearing delivers smooth, quiet operation with minimal vibration, essential for precision mechanisms.
Advanced Material Selection: Constructed with chrome steel rings and balls combined with a stainless steel cage, ensuring durability, corrosion resistance, and reliable performance across the specified temperature range.
61904-2RS1 Bearing Typical Application Areas
- Small Electric Motors: Used in fractional horsepower motors for appliances, power tools, and automotive accessories
- Office Automation Equipment: Precision mechanisms in printers, scanners, and copiers
- Medical Devices: Small instrument motors and precision positioning systems
- Industrial Gearboxes: Compact power transmission systems requiring reliable bearing performance
- Robotics and Automation: Joint mechanisms and small actuator systems
- HVAC Systems: Small blower motors and fan assemblies
