628/9-2Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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628/9-2Z Bearing Product Overview & Core Advantages
The 628/9-2Z is a single row deep groove ball bearing designed for precision applications requiring high reliability and compact design. This shielded bearing excels in handling radial loads efficiently while offering protection against contamination. Manufactured to P6 tolerance class, it delivers exceptional running accuracy and is pre-lubricated with grease for immediate operation. Its compact dimensions (9mm bore, 17mm OD, 5mm width) make it ideal for space-constrained applications where precision and durability are critical.
628/9-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 628/9 | Deep groove ball bearing series with 9mm bore diameter | Standardized dimension series for interchangeability |
| 2Z | Non-contact shields on both sides | Effective contamination protection while maintaining high-speed capability |
628/9-2Z Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P6 tolerance class with CN radial clearance, ensuring precise running accuracy and consistent performance in demanding applications.
Material Excellence: Constructed with chrome steel rings and balls combined with a stainless steel cage, providing excellent wear resistance and corrosion protection.
Shielded Protection: The 2Z shields effectively prevent contamination ingress while maintaining low friction, supporting operation up to 43,000 rpm limiting speed.
Optimized Lubrication: Factory-pre-lubricated with high-quality grease suitable for temperatures from -30°C to 120°C, ensuring immediate operation and extended service life.
628/9-2Z Bearing Typical Application Areas
- Small precision motors and miniature drives
- Medical equipment and dental handpieces
- Office automation devices including printers and scanners
- Instrumentation and measuring equipment
- Robotics and small automation mechanisms
- Consumer electronics requiring high-speed precision
