SFR2-6
SFR Series Stainless Steel 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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SFR2-6 Bearing Product Overview & Core Advantages
The SFR2-6 is a precision miniature ball bearing designed for demanding applications requiring compact size and reliable performance. As a single row deep groove ball bearing with an open design, it excels in handling radial loads efficiently. Manufactured entirely from stainless steel, it offers excellent corrosion resistance, making it suitable for a wide operating temperature range from -86 to 230 °F. Its inch dimensions, including a 0.125" bore and 0.375" outside diameter, make it an ideal component for miniaturized assemblies where space is at a premium.
SFR2-6 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| SFR | Series designation for miniature flanged ball bearings. |
| 2 | Specifies the flange outer diameter code. |
| 6 | Indicates the bore size code (0.125"). |
Key Configuration: The bearing features an open seal type, requiring external lubrication, and is built to ABEC1 tolerance class for reliable performance in general precision applications.
SFR2-6 Bearing Structural Features & Performance Benefits
- Compact & Robust Flange Design: The integrated flange (0.422" outer diameter) facilitates secure and precise mounting, simplifying assembly and enhancing positional stability within the housing.
- High-Speed Capability: With a limiting speed of 47,700 rpm and a complement of 7 precision balls, the bearing is engineered for smooth, high-speed operation.
- Stainless Steel Construction: All components, including rings, balls, and the cage, are made from stainless steel, providing superior corrosion resistance and durability in harsh environments.
- Optimized Internal Clearance: The standard MC3 radial internal clearance (0.00008" to 0.0005") ensures stable operation across a range of temperatures and fit conditions.
SFR2-6 Bearing Typical Application Areas
The SFR2-6 is ideally suited for applications requiring small bearing dimensions and high rotational accuracy. Common uses include:
- Small Precision Motors and stepper motors
- Medical Devices and dental handpieces
- Optical Encoders and instrumentation
- Office automation equipment such as small fans and printers
- Radio-controlled models and miniature robotic joints
