F689zz
F Series Flanged Miniature 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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F689zz Bearing Product Overview & Core Advantages
The F689zz is a metric miniature deep groove ball bearing engineered for precision and reliability in compact applications. As a single row design with integral shielded protection, it excels at handling primarily radial loads while offering high operational consistency. Its small cross-section, defined by a 9 mm bore and 17 mm outside diameter, makes it an ideal solution for space-constrained assemblies requiring smooth, low-friction rotation. Manufactured to ABEC1 precision tolerances, this bearing delivers dependable performance for a wide range of industrial and commercial equipment.
Model Code Breakdown
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| F689 | Basic bearing designation for a specific metric miniature series with a 9mm bore. | Identifies the core bearing dimensions and internal geometry. |
| zz | Indicates the bearing is equipped with shields on both sides. | Provides effective protection against contamination from solid particles while retaining lubrication, enhancing service life. |
F689zz Bearing Structural Features & Performance Benefits
Optimized Internal Geometry & High-Quality Materials: The bearing features a deep groove raceway and is constructed entirely from chrome steel for rings and balls, providing excellent wear resistance and durability. The stainless steel cage ensures stable ball guidance and is suitable for higher speeds.
Effective Contamination Protection: The double-shielded (zz) design effectively excludes larger contaminants, making the bearing suitable for environments where dust or debris is present. This contributes to a more consistent and extended operational life.
Precision Performance: Built to ABEC1 tolerance class and featuring a controlled MC3 radial internal clearance, the F689zz ensures smooth, quiet, and low-vibration operation, which is critical for sensitive applications.
F689zz Bearing Typical Application Areas
The F689zz is widely used in applications requiring compact size, light weight, and reliable performance. Key industries and equipment include:
- Small Electric Motors: Used in fans, small pumps, and power tools.
- Precision Instruments: Ideal for optical encoders, gauges, and medical devices.
- Office Automation Equipment: Found in printers, scanners, and copiers.
- Robotics and RC Models: Supports joints, gears, and small drive systems.
