SF6902ZZ
SF Series Stainless Steel Flanged 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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SF6902ZZ Bearing Product Overview & Core Advantages
The SF6902ZZ is a metric flanged ball bearing designed for precision applications requiring compact design and reliable performance. This single row bearing features stainless steel construction and shielded protection, making it ideal for applications demanding corrosion resistance and moderate contamination protection. Its key advantages include excellent radial load capacity (876 lbf dynamic rating), compact dimensions (15mm bore × 28mm OD × 7mm width), and high-speed capability up to 21,600 rpm. The integrated flange provides secure mounting and positioning, while the ABEC-1 precision class ensures consistent performance in demanding environments.
SF6902ZZ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| F | Flanged Design | Simplifies mounting and provides axial positioning |
| ZZ | Double Shielded | Protects against contaminants while maintaining low torque |
| - | Stainless Steel Construction | Corrosion resistance for harsh environments |
SF6902ZZ Bearing Structural Features & Performance Benefits
Optimized Ball Design: Features 10 precision balls with 3.969mm diameter, providing smooth operation and high radial load capacity.
Stainless Steel Construction: All components (rings, cage, shields) use stainless steel for corrosion resistance and durability in challenging environments.
Flanged Housing: The 30.5mm flange diameter with 1.5mm thickness enables secure mounting and precise axial positioning without additional components.
Shielded Protection: Double stainless steel shields (ZZ designation) protect against contamination while maintaining low friction operation.
Precision Engineering: ABEC-1 tolerance class and C0 radial clearance (0.002-0.013mm) ensure consistent performance and high-speed capability up to 21,600 rpm.
SF6902ZZ Bearing Typical Application Areas
- Small Motors & Gearboxes: Ideal for compact motor designs requiring reliable bearing performance
- Medical Equipment: Suitable for precision medical devices due to stainless steel construction and clean operation
- Office Automation: Used in printers, scanners, and copiers where space constraints and reliability are critical
- Instrumentation & Measurement Devices: Precision applications requiring consistent rotational accuracy
- Food Processing Equipment: Corrosion-resistant properties make it suitable for food industry applications
- Robotics & Automation: Compact flanged design perfect for robotic joints and positioning systems
