SFRW3zz
SFRW Series Stainless Steel Extended Inner Ring 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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SFRW3zz Bearing Product Overview & Core Advantages
The SFRW3zz is a single row deep groove ball bearing designed for precision radial load applications. Constructed entirely from stainless steel, this shielded bearing offers excellent corrosion resistance and reliable performance. Its compact design, featuring an extended inner ring, provides ease of mounting and secure axial location. As an ABEC1 precision class component, it delivers consistent operation for applications demanding high reliability and dimensional stability.
SFRW3zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| zz | Double-sided steel shields | Provides effective contamination protection from solid particles while retaining lubrication |
| - | Extended inner ring design | Facilitates easier installation and provides improved axial positioning |
SFRW3zz Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The raceway design enables efficient handling of radial loads while accommodating moderate axial loads in both directions.
Full Stainless Steel Construction: All components, including rings, balls, cage, and shields, are manufactured from stainless steel, ensuring superior corrosion resistance and compatibility with various operating environments.
Shielded Protection: The double-sided steel shields (zz) effectively retain lubricant and exclude contaminants, extending service life in challenging conditions.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3), this bearing delivers smooth, low-noise operation and consistent performance.
Extended Inner Ring: The elongated inner ring simplifies mounting procedures and provides a positive locating surface for adjacent components.
SFRW3zz Bearing Typical Application Areas
- Medical and Dental Equipment: Small motors, pumps, and precision instruments requiring corrosion resistance
- Food Processing Machinery: Conveyor systems and processing equipment where washdown compatibility is essential
- Laboratory Instruments: Analytical devices, centrifuges, and precision positioning mechanisms
- Office Automation Equipment: Printers, scanners, and copiers requiring reliable miniature bearings
- Small Electric Motors: Cooling fans, miniature DC motors, and precision servo applications
