FR166 2rs
FR Series Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
FR166 2rs Bearing Product Overview & Core Advantages
The FR166 2RS is a sealed single row deep groove ball bearing designed for reliable performance in compact spaces. Engineered with inch dimensions, this precision bearing excels in applications requiring radial load capacity and contamination protection. Its sealed construction with nitrile rubber contact seals provides effective protection against dust and moisture while retaining lubrication. The bearing features chrome steel rings and balls with stainless steel cage for consistent performance across a wide temperature range from -86 to 230°F.
FR166 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Meaning | Performance Benefit |
|---|---|---|
| FR166 | Basic bearing designation with inch bore size | Standard inch dimension compatibility |
| 2RS | Double rubber contact seals on both sides | Superior contamination protection and lubrication retention |
FR166 2rs Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove design with 8 precision chrome steel balls provides excellent radial load capacity (136 lbf dynamic, 49 lbf static) while accommodating moderate axial loads in both directions.
Enhanced Sealing Performance: Double nitrile rubber contact seals (2RS) offer superior protection against contaminants while effectively retaining lubrication, extending service intervals in demanding environments.
Precision Engineering: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.00008" to 0.0005"), ensuring consistent performance and smooth operation up to 50,000 rpm limiting speed.
Robust Construction: Chrome steel rings and balls combined with stainless steel cage provide excellent durability and corrosion resistance, suitable for various industrial applications.
FR166 2rs Bearing Typical Application Areas
- Small Electric Motors: Ideal for fractional horsepower motors requiring reliable sealed bearings
- Precision Instruments: Suitable for medical devices, optical equipment, and measurement instruments
- Office Automation Equipment: Printers, scanners, and copiers requiring compact, sealed bearings
- Automotive Components: Small pumps, actuators, and auxiliary systems
- Industrial Tools: Small power tools and pneumatic equipment
- Consumer Electronics: Disk drives, cooling fans, and small mechanical assemblies
