S686 2RS W3.5 ZEN - Miniature Deep Groove Ball Bearing 6x13x3.5 mm

Precision Sealed Mini Ball Bearing S686 2RS W3.5 ZEN - Compact Design

The S686 2RS W3.5 ZEN miniature ball bearing is designed for applications requiring high precision, compact dimensions, and reliable sealing. With measurements 6 mm (inner diameter) x 13 mm (outer diameter) x 3.5 mm (width), this bearing is equipped with double rubber seals (2RS) and special tolerance W3.5, making it highly resistant to dust and contaminants while ensuring smooth operation.

Key Features & Benefits

• 2RS Sealing - double rubber seals provide effective protection against dust, dirt, and moisture.

• W3.5 Tolerance - enhances accuracy and stability for precision mechanical assemblies.

• Compact Size 6x13x3.5 mm - ideal for miniature devices and tight installation spaces.

• High-Quality ZEN Bearing - durable construction, compliant with international standards.

• Applications - widely used in stepper motors, medical devices, drones, precision instruments, robotics, and electronic equipment.

• Long Service Life - low friction, optimized lubrication, and excellent sealing extend bearing lifespan.

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❓ FAQ - Frequently Asked Questions

1. What does “2RS” mean?
It indicates double rubber seals on both sides of the bearing, ensuring reliable protection from dust and dirt.

2. What is W3.5 tolerance?
It refers to a manufacturer-specific tolerance class that ensures higher precision and tight fitting.

3. Where can the S686 2RS W3.5 ZEN bearing be used?
In stepper motors, robotics, drones, precision instruments, electronics, and medical devices.

4. Is this bearing maintenance-free?
Yes, it comes pre-lubricated and sealed, requiring no additional lubrication under normal operating conditions.

5. Can it withstand moisture?
It is resistant to light moisture and dust but not intended for continuous immersion in liquids.