SF679zz
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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SF679zz Bearing Product Overview & Core Advantages
The SF679zz is a metric miniature deep groove ball bearing engineered for precision applications requiring compact design and reliable performance. Featuring a single row construction with stainless steel components, this bearing is designed for radial load applications. Its shielded design provides effective contamination protection while maintaining low friction. With an ABEC1 precision class, it delivers consistent operation ideal for high-speed mechanisms and miniature equipment where space is constrained and reliability is paramount.
SF679zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| zz | Double-sided steel shields | Provides superior contamination protection while allowing for high-speed operation |
| - | Standard internal clearance (MC3) | Ensures optimal performance across various operating temperatures and speeds |
SF679zz Bearing Structural Features & Performance Benefits
Compact Design & High Precision: With a minimal cross-section of 4.5mm width and ABEC1 tolerance class, this bearing enables space-saving solutions while maintaining precise rotational accuracy.
Enhanced Durability: Constructed entirely from stainless steel (rings, balls, cage, and shields), the bearing offers excellent corrosion resistance and long service life in demanding environments.
Optimized Load Capacity: The deep groove raceway and 12-ball configuration provide efficient radial load distribution, supporting dynamic loads up to 158 lbf while maintaining smooth operation.
High-Speed Capability: The stainless steel cage and shielded design enable operation at limiting speeds up to 32,400 rpm, making it suitable for high-speed miniature applications.
Wide Temperature Range: Operating temperature range from -30°C to 110°C ensures reliable performance in various environmental conditions.
SF679zz Bearing Typical Application Areas
- Precision instruments and measuring devices
- Small motors and miniature DC motors
- Office automation equipment including printers and scanners
- Medical devices and laboratory equipment
- Robotics and automation systems
- Optical instruments and camera mechanisms
- Consumer electronics requiring miniature bearing solutions
