628/9-Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
628/9-Z Bearing Product Overview & Core Advantages
The 628/9-Z is a metric single row deep groove ball bearing designed for high-precision applications requiring compact dimensions and reliable performance. This shielded bearing excels in handling radial loads and offers excellent operational stability. Its P6 tolerance class ensures superior running accuracy, making it ideal for applications demanding precise rotational movement and high limiting speeds up to 53,000 rpm. The combination of chrome steel components and stainless steel cage provides durability and corrosion resistance.
628/9-Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 628/9 | Basic bearing designation with 9mm bore diameter |
| -Z | Shielded on one side for contaminant protection while maintaining high-speed capability |
628/9-Z Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The single row deep groove raceway geometry enables efficient handling of radial dynamic load rating of 196 lbf, while the precision-ground components ensure smooth operation under various load conditions.
High-Speed Performance: Featuring a stainless steel cage and grease lubrication, this bearing achieves exceptional limiting speeds of 53,000 rpm, making it suitable for high-rotation applications.
Precision Engineering: Manufactured to P6 tolerance class with CN radial internal clearance, ensuring consistent performance and minimal vibration in precision mechanisms.
Extended Service Life: The shielded design protects against contamination while the pre-lubricated grease provides maintenance-free operation across a wide temperature range from -30° to 120°C.
628/9-Z Bearing Typical Application Areas
- Small precision motors and miniature DC motors
- Medical equipment including dental handpieces and surgical tools
- Office automation devices such as printers and scanners
- Instrumentation and measurement equipment requiring high rotational accuracy
- Robotics and automation components where compact size and reliability are critical
- Consumer electronics including small fans and drives
