The SKF 619/3 Bearing 3X8X3* is a high-precision miniature deep groove ball bearing, designed for applications requiring compact dimensions and efficient performance. With its bore diameter of 3 mm, outer diameter of 8 mm, and width of 3 mm, this component is ideal for use in industries requiring small, efficient, and precise rotational movement. Its design caters to various industrial purposes, such as measurement instruments and precision robotics. The bearing is part of the deep groove ball bearings micro category, providing smooth operation in confined spaces.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 3 mm |
| Outer diameter (D) | 8 mm |
| Width (B) | 3 mm |
| Basic dynamic load rating (C) | 0.34 kN |
| Basic static load rating (C0) | 0.13 kN |
| Limiting speed | 70,000 rpm |
| Shielding / Sealing | Open |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
This bearing offers several technical advantages, making it suitable for precision applications:
- Continuous operation up to 70,000 rpm enabled by its miniaturised ball geometry.
- Constructed with heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, suitable for assemblies without preload.
- Open design allows for ease of maintenance and inspection in clean environments.
Typical applications
The SKF 619/3 Bearing 3X8X3* is particularly suited for the following sectors:
- 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)
Availability and ordering
Eurobearing.eu is your specialised B2B supplier for the SKF 619/3 Bearing 3X8X3*, SKU: 6193-ECO. This product is available for fast shipment, and bulk quantities can be accommodated with a request for a quote. Add to cart or request a quotation today to ensure your production line maintains optimal efficiency.
