The 618/7 2RS Bearing 7X14X3,5, identified by SKU 61872RS-ECO, is a precision miniature deep groove ball bearing designed for high-efficiency performance in compact applications. With dimensions of 7 mm bore diameter, 14 mm outer diameter, and a width of 3.5 mm, this bearing is tailored for industries requiring precise and smooth rotational motion. Its construction ensures optimal load distribution, making it suitable for various industrial applications where space is a constraint.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 7 mm |
| Outer diameter (D) | 14 mm |
| Width (B) | 3.5 mm |
| Basic dynamic load rating (C) | 1.18 kN |
| Basic static load rating (C0) | 0.47 kN |
| Limiting speed | 50,000 rpm |
| Sealing | 2RS |
| Factory lubrication | Lithium grease |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The 618/7 2RS Bearing 7X14X3,5 offers several technical benefits that enhance its suitability for demanding applications:
- Handles continuous operation up to 50,000 rpm, supporting high-speed applications.
- Manufactured with chrome steel 100Cr6, ensuring a rolling-contact fatigue life exceeding 10^7 cycles.
- Features standard CN radial clearance, suitable for precise assemblies without preload adjustments.
- Equipped with 2RS seals providing IP-rated protection against dust and water splashes.
- Pre-lubricated with lithium grease for optimal performance and reduced maintenance.
Typical applications
This miniature deep groove ball bearing is ideal for incorporation into various specialized sectors, including:
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drones, particularly in brushless motors and planetary gearboxes.
- Dental equipment, including turbines and contra-angles.
- Precision robotics, such as harmonic drive reducers and cardan joints.
- Medical devices, including peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the 61872RS-ECO bearing, offering swift availability for your industrial needs. You can easily add this product to your cart or request a quotation for bulk quantities, ensuring that your supply chain remains uninterrupted.

