SF603
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 Bearing Product Overview & Core Advantages
The SF603 is a metric miniature ball bearing designed for precision applications requiring compact dimensions and reliable performance. Constructed as a single row radial ball bearing with an open design, it excels in handling radial loads efficiently. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its small bore diameter of 3mm and overall compact bearing dimensions make it ideal for space-constrained, high-precision assemblies where consistent operation is critical.
SF603 Bearing Model Code Explained, Specifications & Naming Convention
- SF603: Base model number indicating a specific series of miniature deep groove ball bearings.
- Open: Signifies the bearing has no seals or shields, allowing for higher speeds and easy re-lubrication.
- ABEC1: Denotes the tolerance class, specifying standard precision levels for runout and dimensions.
- MC3: Indicates the radial internal clearance group (greater than normal), suitable for applications with potential thermal expansion.
SF603 Bearing Structural Features & Performance Benefits
Compact & Lightweight Design: With a width of just 3mm and a weight of only 0.96g, the SF603 is engineered for miniature applications without sacrificing performance.
High-Speed Capability: The open bearing construction and stainless steel cage contribute to a high limiting speed of 50,400 rpm, making it a capable high-speed bearing for its size.
Corrosion Resistance: All components, including rings, balls, and cage, are made from stainless steel, ensuring durability in various environments and compliance with RoHS and REACH.
Precision Engineering: Manufactured to ABEC1 tolerances, this precision bearing ensures smooth, reliable operation with minimal vibration and noise.
SF603 Bearing Typical Application Areas
The SF603 is ideally suited for applications requiring small bearing sizes and high rotational accuracy, including:
- Small DC Motors and Micro-Motors
- Precision Instruments and Optical Encoders
- Office Automation Equipment (e.g., Printers, Scanners)
- Medical Devices and Dental Handpieces
- Radio-Controlled Models and Drones
