S682xzz
600 Series Stainless Steel Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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S682xzz Bearing Product Overview & Core Advantages
The S682xzz is a miniature deep groove ball bearing engineered for precision applications requiring compact dimensions and reliable performance. This single row design excels in handling radial loads and is constructed entirely from stainless steel for enhanced corrosion resistance. Its shielded construction helps retain lubrication and exclude contaminants, making it suitable for applications demanding high reliability in limited spaces. With a high limiting speed and ABEC1 precision class, it offers an optimal balance of performance and value for miniature machinery.
S682xzz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S68 | Series designation for a specific miniature deep groove ball bearing design. |
| 2 | Bore diameter code (corresponding to 2.5 mm). |
| zz | Indicates the bearing is equipped with shields on both sides (non-contact type). This helps protect against contamination while maintaining low torque. |
S682xzz Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With an overall weight of just 0.35 g and minimal cross-section, this bearing is ideal for space-constrained and weight-sensitive applications.
- Corrosion Resistance: Manufactured from 300 series stainless steel for rings, balls, and cage, providing excellent resistance to rust and corrosion in various environments.
- Optimized Internal Geometry: Features a MC3 radial internal clearance (0.002mm to 0.013mm), which is suitable for most general applications and accommodates slight fits and thermal expansion.
- High-Speed Capability: The combination of a stainless steel cage and precision grinding enables a high limiting speed of 63,900 rpm, supporting demanding operational requirements.
- Shielded Protection: The non-contact shields help retain lubricant and protect the internal components from larger particulate contaminants, extending service life.
S682xzz Bearing Typical Application Areas
- Small Precision Motors: Ideal for spindle support in miniature DC motors and stepper motors.
- Medical Devices: Used in surgical hand tools, dental drills, and small pump systems where reliability and corrosion resistance are critical.
- Office Automation Equipment: Suitable for scanners, printers, and small fans.
- Instrumentation and Control Systems: Applied in precision gauges, encoders, and small robotic joints.
- Consumer Electronics: Found in small drones, RC models, and high-speed cooling fans.