S684zz
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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S684zz Bearing Product Overview & Core Advantages
The S684zz is a miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. This single row radial bearing features stainless steel construction throughout its rings, balls, and cage, providing excellent corrosion resistance. Its shielded design offers effective contamination protection while maintaining low friction. Engineered for high-speed operation with a limiting speed of 47,700 rpm, this bearing delivers optimal performance in space-constrained applications where precision and reliability are paramount.
S684zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| S | Stainless Steel Construction | Superior corrosion resistance for harsh environments |
| zz | Double Shielded Both Sides | Enhanced contamination protection and lubricant retention |
S684zz Bearing Structural Features & Performance Benefits
High-Speed Capability: The optimized design with 7 precision balls and stainless steel cage enables exceptional rotational performance up to 47,700 rpm, making it ideal for high-speed miniature applications.
Radial Load Capacity: With a dynamic load rating of 110 lbf and static load rating of 37 lbf, this bearing provides reliable performance under substantial radial loads relative to its compact size.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled MC3 radial clearance (0.002mm to 0.013mm), ensuring consistent performance and smooth operation.
Corrosion Resistance: Complete stainless steel construction provides excellent protection against corrosion, extending service life in challenging environments.
Compact Design: With dimensions of 4mm bore × 9mm OD × 4mm width and weighing only 1 gram, this bearing is perfectly suited for space-constrained applications.
S684zz Bearing Typical Application Areas
- Precision Instruments: Laboratory equipment, measuring devices, and optical instruments
- Small Motors: Micro motors, DC motors, and miniature servo systems
- Medical Devices: Surgical tools, dental handpieces, and diagnostic equipment
- Office Automation: Printers, scanners, and copier mechanisms
- Consumer Electronics: Small fans, computer peripherals, and precision mechanisms
- Robotics: Small robotic joints, drone mechanisms, and automation equipment
