MR104 H EZO 4x10x3 Miniature Deep Groove Ball Bearing

Design and Construction

The MR104 H EZO 4x10x3 miniature deep groove ball bearing is engineered for ultra-compact mechanical systems where precision, stability, and minimal friction are critical. This model features an open design, meaning it has no shields or seals, allowing maximum rotational efficiency and very high speed capability.

The H designation indicates a high precision grade, ensuring improved dimensional accuracy, lower vibration, and more stable operation compared to standard miniature bearings. Manufactured by EZO Japan, the bearing offers premium quality steel, finely polished raceways, and excellent consistency.

Technical Specifications

Inner diameter: 4 mm
Outer diameter: 10 mm
Width: 3 mm
Type: miniature deep groove ball bearing
Configuration: open
Precision grade: H
Manufacturer: EZO Japan
Material: high-grade bearing steel

Long tail keywords:
miniature deep groove ball bearing 4x10x3
MR104 H EZO open bearing
precision miniature bearing 4 mm

Industrial Applications

This miniature deep groove ball bearing is widely used in high-precision applications such as micro motors, robotics, 3D printers, measuring instruments, medical devices, and compact automation systems.

Its open design makes it ideal for clean environments where lubrication can be controlled and contamination is minimal. It is particularly effective in high-speed, low-load applications.

Operational Advantages

The MR104 H EZO bearing provides extremely low friction due to its open construction, enabling very high rotational speeds and efficient operation. The high precision H grade ensures reduced vibration and improved stability.

Additional advantages:

• ultra-compact size
• lightweight construction
• quiet and smooth operation
• high dimensional accuracy

Main Description

MR104 H EZO 4x10x3 is a high precision miniature deep groove ball bearing with an open design, created for applications requiring maximum accuracy, minimal friction, and reliable high-speed performance.

As part of the deep groove ball bearing category in the miniature segment, this model represents a specialized solution for ultra-small mechanical systems. It supports light radial loads and small axial loads while maintaining stable and efficient operation.

Technical snippet section:
MR104 H EZO 4x10x3 miniature deep groove ball bearing is an open, high precision bearing designed for compact assemblies, offering very low friction, high speed capability, and stable performance.

Within the broader deep groove ball bearing cluster, the MR104 H model is optimized for precision-driven applications where size and accuracy are critical.

FAQ

Is the MR104 H EZO bearing pre-lubricated?
Yes, it is lightly pre-lubricated but may require additional lubrication depending on the application.

What does the H designation mean?
It indicates a higher precision grade with improved stability and reduced vibration.

Is this bearing open or sealed?
It is an open bearing with no shields or seals.

Is it suitable for high-speed operation?
Yes, the open design allows very high rotational speeds.

What loads can it handle?
Light radial loads and small axial loads.