The 628/4-2Z Bearing 4X9X3,5 is a precision-engineered miniature deep groove ball bearing, expertly crafted for demanding industrial applications. With its compact dimensions of 4 mm bore diameter, 9 mm outer diameter, and 3.5 mm width, this bearing is tailored for use in tight spaces where high performance is essential. Ideal for applications requiring smooth rotational motion, this component is a staple in various sectors, thanks to its efficient design and robust construction. The 628/4-2Z bearing belongs to our extensive range of deep groove ball bearings available at Eurobearing.eu.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 4 mm |
| Outer diameter (D) | 9 mm |
| Width (B) | 3.5 mm |
| Shielding / Sealing | ZZ |
| Basic dynamic load rating (C) | 0.78 kN |
| Basic static load rating (C0) | 0.29 kN |
| Limiting speed | 40,000 rpm |
| Ring material | Chrome steel 100Cr6 |
| Cage type | Pressed steel |
| Precision class | P0 / ABEC-1 |
Technical advantages
The 628/4-2Z Bearing 4X9X3,5 offers several technical advantages that make it a preferred choice for industrial applications:
- Capable of continuous operation at speeds up to 40,000 rpm, ensuring efficiency in high-speed applications.
- Constructed from heat-treated 100Cr6 chrome steel, delivering a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, optimizing performance in assemblies that do not require preload.
- Equipped with ZZ shielding for effective protection against dust and moderate moisture.
- Lightweight and compact design, facilitating integration in miniaturized systems without compromising performance.
Typical applications
This bearing is ideal for a wide range of applications, including:
- Measurement and laboratory instruments such as optical encoders and electronic micrometers.
- Aeromodelling and drones, particularly in brushless motors and planetary gearboxes.
- Dental equipment, including turbines, contra-angles, and micromotors.
- Precision robotics, utilized in harmonic drive reducers and cardan joints.
- Medical devices, serving critical roles in peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the 628/4-2Z Bearing 4X9X3,5, SKU: 62842Z-ECO. We ensure fast availability and offer the option to request quotations for bulk quantities. Click ‘Add to Cart’ or ‘Request Quotation’ to proceed with your order.
