The 618/4 Bearing 4X9X2.5* from Eurobearing.eu is a precision-engineered component designed for high-performance applications. This deep groove ball bearing, categorized under the micro segment, features a bore diameter of 4 mm, an outer diameter of 9 mm, and a width of 2.5 mm. It is typically used in miniature applications such as precision instruments, robotics, and compact machinery, where space is limited, and performance is critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 4 mm |
| Outer diameter (D) | 9 mm |
| Width (B) | 2.5 mm |
| Basic dynamic load rating (C) | 0.57 kN |
| Basic static load rating (C0) | 0.19 kN |
| Limiting speed | 75,000 rpm |
| Cage type | Pressed steel |
| Shielding / Sealing | Open |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The 618/4 Bearing 4X9X2.5* is engineered to deliver exceptional performance in compact configurations. Its design and materials confer several distinct advantages:
- Capable of continuous operation at speeds up to 75,000 rpm due to its optimized design.
- Manufactured with heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, which suits assemblies without preload, simplifying integration.
- Open design allows for easy lubrication and maintenance in accessible setups.
- Lightweight construction, facilitating use in weight-sensitive applications.
Typical applications
This bearing is crafted for use in various high-precision environments, including:
- Measurement and laboratory instruments (e.g., optical encoders, electronic micrometers)
- Aeromodelling and drones (e.g., brushless motors, planetary gearboxes)
- Dental equipment (e.g., turbines, contra-angles, micromotors)
- Precision robotics (e.g., harmonic drive reducers, cardan joints)
Availability and ordering
Eurobearing.eu offers the 6184-ECO bearing with fast availability for immediate needs. As a specialized B2B supplier, we can accommodate requests for bulk quantities. To streamline your procurement process, you can add this item to your cart or request a quotation directly from our website.
