The 639/3 2RS Bearing 3X8X4* is a miniature deep groove ball bearing, designed for precise applications where space and weight are critical. This bearing, categorized under deep groove ball bearings micro, features a 3 mm bore diameter, an 8 mm outer diameter, and a 4 mm width. It is particularly suited for applications in industries that require compact and efficient rotational components, such as electronics, robotics, and medical equipment. The 63932RS-ECO variant provides excellent sealing performance with its 2RS design, ensuring protection against dust and moisture.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 3 mm |
| Outer diameter (D) | 8 mm |
| Width (B) | 4 mm |
| Sealing | 2RS |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The 639/3 2RS Bearing offers numerous technical advantages, making it a preferred choice for various demanding applications.
- Compact design ideal for limited space installations with 3 mm bore and 8 mm outer diameter.
- 2RS sealing provides effective protection against environmental contaminants.
- Constructed from 100Cr6 chrome steel, offering excellent rolling-contact fatigue life.
- Standard precision class P0 / ABEC-1 ensuring reliable performance in precision devices.
- Optimized for miniature applications, balancing load capacity and rotational speed.
Typical applications
The 639/3 2RS Bearing is utilized across various sectors that demand precision and reliability.
- Measurement and laboratory instruments (optical encoders, electronic micrometers)
- Aeromodelling and drones (brushless motors, planetary gearboxes)
- Dental equipment (turbines, contra-angles, micromotors)
- Precision robotics (harmonic drive reducers, cardan joints)
- Medical devices (peristaltic pumps, lung ventilators, microscopes)
Availability and ordering
Eurobearing.eu, as a specialized B2B supplier, ensures fast availability of the 63932RS-ECO code. Customers can easily add this item to their cart or request a quotation for bulk quantities, ensuring a seamless purchasing experience.
