SFRW155zz
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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SFRW155zz Bearing Product Overview & Core Advantages
The SFRW155zz is a single row deep groove ball bearing designed for precision applications requiring high reliability. This inch-series bearing features stainless steel construction throughout its rings, balls, and cage, providing excellent corrosion resistance. Its shielded design offers effective contamination protection while maintaining low friction operation. With its compact dimensions and extended inner ring, this bearing is ideal for space-constrained applications requiring precise radial load support and moderate speed capabilities.
SFRW155zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| SFRW | Flanged bearing series designation | Simplifies mounting and axial location |
| 155 | Bore size code (0.15625") | Precise shaft fitment |
| zz | Double shielded both sides | Enhanced contamination protection |
SFRW155zz Bearing Structural Features & Performance Benefits
Deep Groove Design: The optimized raceway geometry enables efficient handling of radial loads while accommodating moderate axial loads in both directions.
Full Stainless Steel Construction: All components including rings, balls, and cage are manufactured from stainless steel, providing exceptional corrosion resistance and suitability for harsh environments.
Double Shield Protection: Non-contact stainless steel shields on both sides effectively exclude contaminants while maintaining low operating torque and minimal heat generation.
Extended Inner Ring: The extended inner ring design facilitates easier mounting and provides additional support surface, enhancing overall bearing stability.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.00008" to 0.0005") for consistent performance.
SFRW155zz Bearing Typical Application Areas
- Medical Equipment: Surgical tools, dental handpieces, and diagnostic instruments
- Precision Instruments: Optical devices, measuring equipment, and laboratory apparatus
- Small Motors: Miniature DC motors, stepper motors, and servo motors
- Office Automation: Printers, scanners, and copier mechanisms
- Food Processing Equipment: Where corrosion resistance and cleanliness are critical
- Robotics: Small robotic joints and precision positioning systems
