The 618/8 2Z Bearing 8X16X4, identified by SKU: 61882Z-ECO, is a precision-engineered component commonly used in various industrial applications. This deep groove ball bearing, with dimensions of 8 mm bore diameter, 16 mm outer diameter, and 4 mm width, is designed to handle radial and axial loads efficiently. It is particularly suitable for environments where space is limited, making it a popular choice in micro applications.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 8 mm |
| Outer diameter (D) | 16 mm |
| Width (B) | 4 mm |
| Basic dynamic load rating (C) | 2.39 kN |
| Basic static load rating (C0) | 0.96 kN |
| Limiting speed | 40,000 rpm |
| Shielding / Sealing | 2Z (metal shields on both sides) |
| Ring material | 100Cr6 chrome steel |
| Factory lubrication | Grease |
| Precision class | P0 / ABEC-1 |
Technical advantages
The 618/8 2Z Bearing provides several technical benefits that make it a robust choice for demanding applications:
- Supports continuous operation up to 40,000 rpm, suitable for high-speed environments.
- Constructed from 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Features a standard CN radial clearance, allowing for ease of installation without the need for preload.
- Equipped with 2Z metal shields, offering protection against dust and light moisture ingress.
- Designed for easy integration into compact assemblies due to its miniature dimensions.
Typical applications
This bearing is ideal for use in the following industries and equipment types:
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drones, including brushless motors and planetary gearboxes.
- Dental equipment, such as turbines, contra-angles, and micromotors.
- Precision robotics, including harmonic drive reducers and cardan joints.
- Medical devices, such as peristaltic pumps and microscopes.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier of mechanical industrial components, offers the 618/8 2Z Bearing with SKU: 61882Z-ECO readily available for fast shipping. For businesses interested in bulk quantities, we welcome you to request a quote. Enhance your operations by adding this product to your cart or requesting a quotation today.

