SF6809ZZ
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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SF6809ZZ Bearing Product Overview & Core Advantages
The SF6809ZZ is a single row flanged ball bearing engineered for precision radial load applications. This metric bearing features shielded construction and is manufactured from corrosion-resistant stainless steel, making it suitable for demanding environments. Its compact flanged design provides secure mounting and precise axial location, while the ABEC-1 precision class ensures reliable performance in applications requiring consistent operation and dimensional stability.
Model Code Detailed Breakdown
| Code Segment | Technical Meaning |
|---|---|
| SF6809 | Basic bearing designation indicating specific dimensions: 45mm bore, 58mm OD, 7mm width |
| ZZ | Double shielded construction providing effective contamination protection from both sides |
SF6809ZZ Bearing Structural Features & Performance Benefits
Flanged Design Advantage: The integrated flange (61mm OD, 1.5mm thickness) enables simplified mounting and precise axial positioning, reducing installation complexity and improving system accuracy.
High-Quality Material Construction: Manufactured with stainless steel rings and cage combined with chrome steel balls, this bearing offers excellent corrosion resistance while maintaining high load capacity and durability.
Optimized Performance Characteristics: With a radial dynamic load rating of 1252 lbf and limiting speed of 9,900 rpm, the SF6809ZZ delivers reliable operation under demanding conditions. The C0 radial clearance (0.002-0.013mm) ensures stable performance across typical operating temperatures (-30° to 110°C).
Precision Engineering: The bearing incorporates 21 precision balls (3.969mm diameter) within an optimized raceway geometry, providing smooth operation and consistent performance in precision applications.
SF6809ZZ Bearing Typical Application Areas
- Medical Equipment: Surgical instruments, dental handpieces, and diagnostic devices requiring corrosion resistance and precision
- Food Processing Machinery: Conveyor systems, mixers, and packaging equipment where stainless steel construction is essential
- Office Automation: Printers, scanners, and copiers requiring reliable flanged bearing performance
- Small Motors and Actuators: Precision motors, servo mechanisms, and robotic joints demanding compact design and high-speed capability
- Instrumentation and Measurement Devices: Optical equipment, testing instruments, and precision positioning systems
