MR104 EZO 4x10x3 Miniature Deep Groove Ball Bearing

Design and Construction

The MR104 EZO 4x10x3 is a precision miniature deep groove ball bearing designed for ultra-compact mechanical systems where accuracy and low friction are critical. This model is typically supplied in an open configuration, meaning it has no shields or seals, allowing for minimal rotational resistance and maximum speed capability.

Manufactured by EZO Japan, the bearing features high-quality bearing steel, finely finished raceways, and precision balls to ensure smooth and stable operation. Its compact geometry makes it ideal for installations where both radial and axial space are extremely limited.

Technical Specifications

Inner diameter: 4 mm
Outer diameter: 10 mm
Width: 3 mm
Type: miniature deep groove ball bearing
Configuration: open (no shields)
Series: MR104
Manufacturer: EZO Japan
Material: high-grade bearing steel

Long tail keywords:
miniature ball bearing 4x10x3
MR104 EZO open bearing
precision small bearing 4 mm

Industrial Applications

This miniature deep groove ball bearing is widely used in micro-mechanical and precision applications such as small electric motors, robotics, 3D printers, medical devices, measuring instruments, and model engineering.

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

Operational Advantages

The MR104 EZO bearing offers extremely low friction due to its open design, enabling high rotational speeds and efficient operation. Its lightweight and compact size contribute to reduced system inertia and improved performance.

EZO precision manufacturing ensures low noise, minimal vibration, and long service life even in demanding miniature applications.

Main Description

MR104 EZO 4x10x3 is an open miniature deep groove ball bearing designed for high-speed, precision applications where compact size and minimal friction are essential.

As part of the deep groove ball bearing category in the miniature segment, this model provides reliable performance in systems requiring high accuracy and efficient motion. It supports light radial and axial loads while maintaining stable operation.

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

Within the broader deep groove ball bearing cluster, the MR104 model represents a specialized solution for ultra-small and high-precision applications.

FAQ

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

What does open configuration mean?
It means the bearing has no shields or seals, allowing minimal friction but no contamination protection.

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

Can it be used in dusty environments?
It is recommended for clean environments unless additional protection is provided.

What loads can this bearing handle?
Light radial loads and small axial loads.