SFRW1-4
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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SFRW1-4 Bearing Product Overview & Core Advantages
The SFRW1-4 is a single row deep groove ball bearing designed for precision applications requiring high reliability. This stainless steel bearing features an extended inner ring for simplified mounting and axial location. Engineered to handle primarily radial loads with excellent performance, it offers superior corrosion resistance and maintains stable operation across a wide temperature range from -86°F to 230°F. Its compact design and ABEC1 precision make it ideal for space-constrained applications demanding consistent performance.
SFRW1-4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| SFRW1-4 | Miniature bearing series with specific inch dimensions | Identifies the bearing family and size specification |
| Open (Seal type) | No seals or shields | Allows for custom lubrication and maximum speed capability |
| Extended Inner Ring | Prolonged inner ring design | Facilitates easier mounting and axial positioning |
| MC3 Clearance | Greater than normal radial internal clearance | Suitable for applications with temperature variations |
SFRW1-4 Bearing Structural Features & Performance Benefits
This bearing's construction delivers several key performance advantages:
- High Precision Design: ABEC1 tolerance class ensures consistent running accuracy and smooth operation
- Corrosion Resistance: All-stainless steel construction (rings, balls, cage) provides excellent protection in harsh environments
- Extended Inner Ring: Simplifies installation and provides positive axial location in assemblies
- Optimized Load Capacity: Deep groove raceway design efficiently handles radial loads with a dynamic rating of 49 lbf and static rating of 15 lbf
- High-Speed Capability: Open design and precision manufacturing enable operation up to 99,000 rpm
- Temperature Stability: Maintains performance across extreme temperature conditions (-86°F to 230°F)
SFRW1-4 Bearing Typical Application Areas
The SFRW1-4 finds extensive use in precision applications including:
- Medical devices and surgical instruments
- Laboratory equipment and analytical instruments
- Small precision motors and miniature drives
- Optical positioning systems and instrumentation
- Robotics and automation components
- Aerospace instrumentation and control systems
- Electronic assemblies requiring precise rotation
