SF6809
SF Series Stainless Steel Flanged Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
SF6809 Bearing Product Overview & Core Advantages
The SF6809 is a flanged single row deep groove ball bearing designed for compact applications requiring precise radial positioning. Engineered with stainless steel construction throughout its rings, cage, and shield, it offers excellent corrosion resistance. Its integral flange facilitates simplified mounting and accurate axial location within assemblies. This bearing is characterized by its high limiting speed of 9,900 rpm and reliable performance across a wide temperature range from -30° to 110°C, making it suitable for applications demanding both precision and durability.
SF6809 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SF | Stainless Steel Flanged Bearing Series |
| 68 | Bearing series designation indicating specific internal geometry |
| 09 | Bore diameter code (45 mm) |
| Open | No seals or shields, requiring external lubrication |
SF6809 Bearing Structural Features & Performance Benefits
Flanged Design: The integrated flange (61 mm OD, 1.5 mm thickness) provides secure mounting and precise axial positioning, reducing installation complexity and cost.
Premium Material Construction: Manufactured with stainless steel rings and 300 series stainless steel shield, offering superior corrosion resistance for harsh environments.
Optimized Internal Geometry: Features 21 precision chrome steel balls (3.969 mm diameter) arranged in a single row deep groove configuration, providing excellent radial load capacity (1252 lbf dynamic, 1089 lbf static).
High-Speed Capability: The stainless steel cage and optimized internal design enable a limiting speed of 9,900 rpm, suitable for high-rotation applications.
Precision Engineering: Manufactured to ABEC-1 tolerance class with C0 radial clearance (0.002mm to 0.013mm), ensuring consistent performance and smooth operation.
SF6809 Bearing Typical Application Areas
- Food processing equipment and medical devices requiring corrosion resistance
- Small electric motors and precision instruments
- Office automation equipment and computer peripherals
- Textile machinery and packaging equipment
- Robotic joints and automation systems requiring precise positioning
