SF6900ZZ
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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SF6900ZZ Bearing Product Overview & Core Advantages
The SF6900ZZ is a metric flanged ball bearing designed for precision applications requiring compact design and reliable performance. This single row bearing features shielded construction for contaminant protection while maintaining excellent radial load capacity. Manufactured with stainless steel rings and chrome steel balls, it delivers superior corrosion resistance and durability. The integrated flange provides secure mounting and precise positioning in compact assemblies.
SF6900ZZ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
| SF6900 | Basic bearing designation with flanged design |
| ZZ | Double shielded construction providing protection from contaminants on both sides |
SF6900ZZ Bearing Structural Features & Performance Benefits
Flanged Design: The integrated flange (25mm outer diameter, 1.5mm thickness) enables precise axial positioning and simplifies mounting in housing designs.
Shielded Protection: Double stainless steel shields (300 series) provide effective contaminant exclusion while maintaining low friction operation.
Precision Engineering: Manufactured to ABEC-1 tolerance class with controlled radial internal clearance (C0: 0.002-0.013mm) for consistent performance.
High-Speed Capability: With a limiting speed of 27,900 rpm, this bearing is optimized for high-speed applications requiring reliable operation.
Load Capacity: Features radial dynamic load rating of 546 lbf and static load rating of 257 lbf for demanding applications.
SF6900ZZ Bearing Typical Application Areas
- Small precision motors and miniature drive systems
- Medical devices and laboratory equipment requiring compact bearings
- Office automation equipment including printers and scanners
- Robotics and automation components with space constraints
- Instrumentation and measurement devices requiring precise rotation
- Consumer electronics with high-speed rotating components
