FR1-4 2rs
FR Series Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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FR1-4 2rs Bearing Product Overview & Core Advantages
The FR1-4 2rs is a miniature sealed single row ball bearing designed for precision applications requiring reliable performance in compact spaces. This inch-series bearing features integrated rubber seals (2RS) for effective contamination protection and pre-lubrication for immediate service. Its chrome steel construction provides excellent durability while maintaining ABEC1 precision tolerance, making it ideal for applications demanding smooth operation and consistent performance under radial loads.
FR1-4 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| FR1-4 | Miniature bearing series with specific inch dimensions (0.07813" bore × 0.25" OD) |
| 2RS | Double rubber contact seals providing superior protection against contaminants |
FR1-4 2rs Bearing Structural Features & Performance Benefits
Compact Design & High Precision: With a minimal cross-section (0.1406" width) and ABEC1 tolerance class, this bearing delivers precise rotational accuracy in space-constrained applications.
Enhanced Sealing Performance: The double rubber seals (2RS) effectively exclude contaminants while retaining lubrication, extending service life in demanding environments.
Optimized Load Capacity: Featuring 7 precision chrome steel balls and stainless steel cage, the bearing provides reliable radial load capacity (54 lbf dynamic / 17 lbf static) with smooth operation.
Wide Temperature Compatibility: Operating range of -86 to 230 °F ensures performance across various environmental conditions.
FR1-4 2rs Bearing Typical Application Areas
- Miniature motors and precision instruments
- Medical devices and laboratory equipment
- Office automation equipment and small machinery
- Robotics and aerospace components
- Electronic devices and optical systems
