686 2rs
600 Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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686 2rs Bearing Product Overview & Core Advantages
The 686 2RS is a single row deep groove ball bearing designed for reliable performance in compact spaces. This metric sealed bearing excels in applications requiring consistent radial load support and moderate speeds. Its key advantages include robust construction with chrome steel rings and balls, effective nitrile rubber seals (2RS) for contamination protection, and pre-lubrication for immediate operation. Engineered to ABEC1 precision standards, it delivers dependable service across a wide temperature range from -30°C to 110°C, making it ideal for applications demanding durability and consistent performance.
686 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 686 | Basic bearing designation indicating 6mm bore diameter, 13mm outside diameter, and 5mm width |
| 2RS | Bearing features contact rubber seals on both sides for effective protection against contaminants and retention of lubricant |
686 2rs Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway design enables efficient handling of radial loads while accommodating moderate axial loads in both directions, providing versatile load capacity in compact dimensions.
Sealing System: Dual nitrile rubber contact seals (2RS) create an effective barrier against dust, moisture, and other contaminants while retaining lubricant, significantly extending service life in demanding environments.
Material Excellence: Constructed with chrome steel rings and balls combined with a stainless steel cage, this bearing offers excellent wear resistance and corrosion protection, ensuring reliable performance throughout its service life.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled MC3 radial internal clearance (0.002mm to 0.013mm), this bearing delivers consistent running accuracy and smooth operation essential for precision applications.
686 2rs Bearing Typical Application Areas
- Small Electric Motors: Ideal for fractional horsepower motors in appliances, power tools, and automotive accessories
- Office Equipment: Precision mechanisms in printers, scanners, and copiers requiring reliable rotational performance
- Medical Devices: Small instrumentation and portable medical equipment where compact size and reliability are critical
- Robotics & Automation: Compact joints, small actuators, and precision positioning systems in industrial automation
- Consumer Electronics: Small cooling fans, disk drives, and other precision rotating components
- Light Industrial Equipment: Small pumps, conveyors, and textile machinery requiring durable radial bearing support
