The SKF 618/8 – 8x16x4 mm bearing is a precision-engineered miniature deep groove ball bearing designed for high-performance applications. Manufactured by SKF, a recognized leader in bearing technology, this component features a compact size with a bore diameter of 8 mm, an outer diameter of 16 mm, and a width of 4 mm. This bearing is well-suited for use in applications requiring smooth rotational motion and minimal friction, such as in measurement instruments and precision robotics.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 8 mm |
| Outer diameter (D) | 16 mm |
| Width (B) | 4 mm |
| Basic dynamic load rating (C) | 2.6 kN |
| Basic static load rating (C0) | 0.94 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 SKF 618/8 bearing offers several concrete technical benefits, making it an ideal choice for demanding applications:
- Designed for continuous operation up to 75,000 rpm due to its miniaturized ball geometry.
- Constructed with heat-treated 100Cr6 chrome steel rings, ensuring rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, optimal for assemblies without preload requirements.
- Open design for applications requiring minimal friction and easy access for lubrication.
- Precision class P0 / ABEC-1 provides sufficient accuracy for most industrial applications.
Typical applications
This SKF 618/8 bearing is widely used across various industries due to its compact design and high-speed capabilities:
- Measurement and laboratory instruments, including optical encoders and electronic micrometers.
- Aeromodelling and drones, particularly in brushless motors and planetary gearboxes.
- Dental equipment, such as turbines and micromotors.
- Precision robotics, including harmonic drive reducers and cardan joints.
- Medical devices like peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for all mechanical component needs, offering fast availability of the SKF 618/8 – 8x16x4 bearing. You can easily add this item to your cart or request a quotation for bulk quantities. For more information, visit our website or contact our sales team.
