SF63803
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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SF63803 Bearing Product Overview & Core Advantages
The SF63803 is a metric flanged ball bearing designed for compact applications requiring reliable radial load support. Constructed with a single row design and open seal type, it offers excellent performance in precision assemblies. Its stainless steel construction provides superior corrosion resistance, while the integrated flange facilitates secure mounting and alignment. This bearing is engineered for applications demanding high reliability, compact dimensions, and consistent operation within specified temperature ranges.
SF63803 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SF63803 | Basic bearing designation indicating specific dimensions and series |
| F | Flanged outer ring design for simplified mounting and positioning |
| Open | No seals or shields, allowing for custom lubrication schemes |
| ABEC-1 | Standard precision tolerance class for general applications |
| C0 | Normal radial internal clearance group |
SF63803 Bearing Structural Features & Performance Benefits
Flanged Design: The integrated flange (28mm outer diameter) provides secure mounting and precise positioning, reducing installation complexity and improving alignment accuracy in compact assemblies.
Material Composition: Constructed with stainless steel rings and cage combined with chrome steel balls, this bearing offers excellent corrosion resistance while maintaining high load capacity and durability.
Load Performance: With a radial dynamic load rating of 451 lbf and static load rating of 295 lbf, the bearing delivers reliable performance under substantial radial loads in compact spaces.
High-Speed Capability: Featuring a limiting speed of 21,600 rpm and optimized 16-ball configuration with 2.381mm balls, the design ensures smooth operation at high rotational speeds.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with controlled radial internal clearance (0.002-0.013mm), providing consistent performance in precision applications.
SF63803 Bearing Typical Application Areas
Small Motors & Drives: Ideal for miniature DC motors, stepper motors, and precision drive systems requiring compact bearing solutions.
Medical Equipment: Suitable for surgical tools, dental handpieces, and diagnostic instruments where corrosion resistance and reliability are critical.
Office Automation: Perfect for printers, scanners, copiers, and other office equipment requiring precise rotational components.
Robotics & Automation: Used in small robotic joints, positioning systems, and automated assembly equipment.
Instrumentation: Applied in measuring devices, optical equipment, and laboratory instruments demanding high precision and smooth operation.
