R144 2rs
R Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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R144 2rs Bearing Product Overview & Core Advantages
The R144 2RS is a sealed single row deep groove ball bearing designed for reliable performance in compact spaces. Engineered with inch dimensions, this precision bearing delivers excellent radial load capacity while maintaining smooth operation. The integrated rubber seals provide superior contamination protection, making it ideal for applications requiring consistent performance with minimal maintenance. Its ABEC1 precision class ensures reliable operation in various industrial settings.
R144 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
| R144 | Basic bearing designation with inch dimensions | Standardized sizing for compatibility |
| 2RS | Double rubber contact seals on both sides | Enhanced contamination protection and lubricant retention |
R144 2rs Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove design with 7 precision chrome steel balls provides excellent radial load capacity (54 lbf dynamic, 17 lbf static) while maintaining smooth rotational characteristics.
Enhanced Sealing Performance: Double nitrile rubber contact seals (2RS) effectively exclude contaminants while retaining lubrication, extending service life in demanding environments.
Precision Engineering: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.00008" to 0.0005"), ensuring consistent performance and reliable operation.
Material Excellence: Chrome steel rings and balls combined with stainless steel cage provide durability and corrosion resistance, supporting operation across a wide temperature range (-86 to 230 °F).
R144 2rs Bearing Typical Application Areas
- Small precision instruments and measuring devices
- Medical equipment components and laboratory instruments
- Office automation equipment including printers and scanners
- Small electric motors and miniature gearboxes
- Robotic components and automation systems
- Consumer electronics requiring reliable rotational performance
