The 618/5 2RS Bearing, with dimensions of 5x11x5 mm, is a miniature deep groove ball bearing designed for high precision applications. This bearing, categorized under deep groove ball bearings micro, is an essential component in various industrial settings requiring compact design and efficient performance. Its typical use includes dynamic applications in precision instruments where space and weight constraints are critical. This product, available as SKU: 61852RS-ECO, is a key offering in Eurobearing.eu’s extensive range of mechanical industrial components.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 5 mm |
| Outer diameter (D) | 11 mm |
| Width (B) | 5 mm |
| Sealing | 2RS |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The 618/5 2RS Bearing offers a range of technical advantages suitable for demanding applications.
- Compact design with a 5 mm bore, optimizing space in constrained assemblies.
- Efficient 2RS sealing provides IP-rated protection against dust and water splashes.
- Constructed from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 10^7 cycles.
- Standard CN radial clearance facilitates assemblies that do not require preload.
- Precision class P0 ensures compatibility with general-purpose industrial applications.
Typical applications
The 618/5 2RS Bearing is utilized across various industry sectors, particularly where precision and reliability are paramount.
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drones, including brushless motors and planetary gearboxes.
- Dental equipment, notably turbines and contra-angles.
- Precision robotics, including harmonic drive reducers and cardan joints.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers the 618/5 2RS Bearing (SKU: 61852RS-ECO) with fast availability. Clients can easily add the product to their cart or request a quotation for bulk orders directly through our platform.

