FR4 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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FR4 2rs Bearing Product Overview & Core Advantages
The FR4 2RS is a single row deep groove ball bearing engineered for precision radial load applications. This inch-series bearing features a compact design with integral rubber seals (2RS) on both sides, providing effective contamination protection. Manufactured to ABEC1 precision class standards, it delivers reliable performance in demanding industrial environments. Its chrome steel construction ensures durability while maintaining excellent dimensional stability across a wide operating temperature range from -86 to 230 °F.
FR4 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| FR4 | Specific bearing series designation | Defines dimensional and performance characteristics |
| 2RS | Double rubber contact seals | Provides superior contamination protection and retains lubrication |
FR4 2rs Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The deep groove raceway and 8 precision balls configuration enables efficient handling of radial dynamic loads up to 283 lbf and static loads of 112 lbf, making it suitable for various mechanical applications.
Enhanced Sealing Performance: The nitrile rubber seals (2RS) provide excellent protection against contaminants while maintaining low friction operation. This sealing system ensures long-term reliability in harsh environments.
Precision Engineering: Manufactured to ABEC1 tolerance standards with MC3 radial internal clearance (0.00008" to 0.0005"), this bearing delivers consistent performance and smooth operation. The stainless steel cage ensures proper ball guidance and distribution.
Temperature Resilience: With an operating range of -86 to 230 °F, this bearing maintains dimensional stability and lubrication effectiveness across extreme temperature conditions.
FR4 2rs Bearing Typical Application Areas
- Small electric motors and precision instruments
- Industrial pumps and fluid handling equipment
- Medical devices and laboratory equipment
- Office automation equipment and printers
- Textile machinery components and spindles
- Precision gearboxes and transmission systems
