SF603 2rs
SF 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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SF603 2rs Bearing Product Overview & Core Advantages
The SF603 2RS is a metric miniature deep groove ball bearing engineered for precision applications requiring reliable performance in compact spaces. Featuring a single row design with integral rubber seals (2RS), this bearing provides effective protection against contaminants while retaining lubrication. Constructed entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance. Its primary advantages include handling radial loads efficiently, maintaining performance across a wide temperature range (-30° to 110 °C), and being pre-lubricated for immediate use, making it ideal for applications demanding high reliability and long service life in challenging environments.
SF603 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SF603 | Basic bearing designation indicating a metric, flanged deep groove ball bearing with a 3mm bore, 9mm OD, and 3mm width. |
| 2RS | Signifies contact rubber seals on both sides. The "RS" denotes a Nitrile Rubber seal that provides superior exclusion of contaminants compared to metal shields. |
SF603 2rs Bearing Structural Features & Performance Benefits
- Flanged Design & Compactness: The integral flange (OD: 10.5mm) simplifies mounting and positioning, saving space and reducing assembly costs in miniature applications.
- Robust Sealing: The 2RS rubber seals effectively prevent the ingress of moisture and debris, protecting the bearing's interior and extending its operational life, even in less-than-ideal conditions.
- Corrosion Resistance: Manufactured entirely from stainless steel, this bearing is suitable for applications exposed to moisture, chemicals, or requiring washdown, ensuring consistent performance.
- Precision & Smooth Operation: Built to ABEC1 tolerance class with a stainless steel cage and optimized radial internal clearance (MC3: 0.002mm to 0.013mm), it delivers smooth, low-noise, and low-vibration operation.
SF603 2rs Bearing Typical Application Areas
- Small DC Motors and Stepper Motors
- Precision Instruments and Optical Encoders
- Office Automation Equipment (e.g., printers, scanners)
- Medical Devices and Laboratory Equipment
- Robotics and Drone Gimbal Systems
