SMF148 2rs
SMF 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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SMF148 2rs Bearing Product Overview & Core Advantages
The SMF148 2RS is a metric miniature ball bearing designed for compact, high-precision applications requiring reliable performance. As a single row deep groove ball bearing with integral rubber seals (2RS), it excels in providing robust radial load support while offering protection against contamination. Its all-stainless steel construction ensures excellent corrosion resistance, making it suitable for demanding environments. This bearing is characterized by its compact dimensions (8mm bore, 14mm OD, 4mm width) and a flanged outer ring for simplified mounting and axial location, delivering a combination of high reliability and ease of installation.
SMF148 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| SMF148 | Basic bearing designation, indicating a flanged metric miniature bearing with specific dimensions (8mm bore, 14mm OD). | Defines the core size and flanged construction of the bearing. |
| 2RS | Contact rubber seals on both sides of the bearing. | Provides effective protection against dust, moisture, and other contaminants, retaining lubricant for extended service life and reduced maintenance. |
SMF148 2rs Bearing Structural Features & Performance Benefits
Robust Construction & Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, cage), this bearing offers superior resistance to rust and corrosion, ideal for applications exposed to moisture or aggressive environments.
Effective Sealing & Contaminant Exclusion: The Nitrile rubber (2RS) seals are in light contact with the inner ring, providing an excellent barrier against contaminants while retaining the factory-applied lubricant. This design contributes to a longer operational life and consistent performance.
Flanged Design for Simplified Assembly: The flanged outer ring (15.6mm diameter) facilitates precise axial location and simplifies mounting within a housing, reducing assembly time and cost.
Precision & Speed Performance: Built to ABEC1 tolerance class with a controlled MC3 radial internal clearance (0.002mm to 0.013mm), this bearing ensures smooth and quiet operation. The optimized design, featuring 10 precision balls, allows for a limiting speed of 34,200 rpm.
SMF148 2rs Bearing Typical Application Areas
The SMF148 2RS is ideally suited for a wide range of compact and precision-driven applications, including:
- Small Precision Motors (e.g., in drones, robotics, and medical devices)
- Office Automation Equipment (printers, scanners, copiers)
- Instrumentation and Measurement Devices
- Radio Control Models (cars, airplanes)
- Low-Torque, High-Speed Spindles
- Any application requiring a corrosion-resistant, sealed, and compact bearing solution.
