623-Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Main Dimensions
Performance
Materials
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623-Z Bearing Product Overview & Core Advantages
The 623-Z is a metric single row deep groove ball bearing designed for high-performance applications requiring compact design and reliable operation. Its shielded (Z) construction offers effective contamination protection while maintaining low running torque. Manufactured to P6 tolerance class, this precision bearing delivers exceptional running accuracy, making it ideal for applications demanding smooth operation and high rotational speeds up to 80,000 rpm. The combination of chrome steel components and optimized grease lubrication ensures long service life across a wide temperature range from -30°C to 120°C.
623-Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 623 | Basic bearing designation (3mm bore, 10mm OD, 4mm width) | Standard bearing dimensions for compact applications |
| Z | Single-sided shield | Effective contamination protection while maintaining low friction |
623-Z Bearing Structural Features & Performance Benefits
Optimized Raceway Geometry: The deep groove raceway design enables excellent radial load capacity while accommodating moderate axial loads in both directions, providing versatile load combination capability.
Precision Manufacturing: Built to P6 tolerance class with CN radial clearance, ensuring consistent high-speed performance and minimal vibration for precision applications.
Advanced Material Selection: Chrome steel rings and balls combined with stainless steel cage provide superior corrosion resistance and dimensional stability under varying operating conditions.
Shielded Protection: The single-sided shield effectively retains lubricant while excluding contaminants, extending bearing service life and reducing maintenance requirements.
623-Z Bearing Typical Application Areas
- Small Precision Motors: Ideal for miniature DC motors, stepper motors, and servo motors requiring high-speed operation
- Medical Devices: Suitable for dental handpieces, surgical tools, and diagnostic equipment demanding quiet, reliable performance
- Office Automation: Perfect for printers, scanners, and copiers where compact size and low noise are critical
- Instrumentation: Used in precision measuring devices, optical instruments, and laboratory equipment
- Consumer Electronics: Applied in small fans, drones, and portable devices requiring high rotational accuracy
