MR 105 H ZZ EZO 5x10x4 Miniature Deep Groove Ball Bearing

Design and Construction

The MR 105 H ZZ EZO 5x10x4 is a miniature deep groove ball bearing designed for ultra-compact systems requiring precision and reliability. It features a single-row construction with deep raceways, ensuring smooth ball guidance and efficient load distribution.

The ZZ designation indicates double metal shields, which protect the bearing from dust and contaminants while maintaining low friction and high rotational speed.

The H version represents a higher precision or selected grade, offering improved dimensional accuracy, reduced vibration, and more stable operation in demanding applications.

Technical Specifications

Inner diameter: 5 mm
Outer diameter: 10 mm
Width: 4 mm
Type: miniature deep groove ball bearing
Configuration: ZZ metal shields
Precision: H grade
Manufacturer: EZO Japan
Material: high-grade bearing steel

Long tail keywords:
miniature bearing 5x10x4
MR105 H ZZ EZO bearing
precision micro bearing 5 mm

Industrial Applications

This miniature bearing is widely used in:

• micro motors
• robotics
• 3D printers
• precision instruments
• medical devices
• automation systems

Its compact size makes it ideal for applications where space is limited but high-speed and stable operation is required.

Operational Advantages

The MR 105 H ZZ EZO bearing provides excellent performance in miniature systems:

• very low friction
• high-speed capability (even up to tens of thousands RPM)

• compact and lightweight
• protection against contamination
• stable and quiet operation

Compared to open versions, the ZZ shields significantly extend service life and reduce maintenance.

Main Description

MR 105 H ZZ EZO 5x10x4 is a high-precision miniature deep groove ball bearing with double metal shields, designed for compact applications requiring low friction, contamination protection, and reliable high-speed performance.

Within the deep groove ball bearing category, this model represents a core solution in the miniature segment, enabling efficient operation in ultra-small mechanical systems while supporting light radial and axial loads.

Technical snippet section:
MR 105 H ZZ EZO 5x10x4 miniature deep groove ball bearing is a shielded precision bearing designed for compact assemblies, providing low friction, high speed, and protection against contaminants.

FAQ

Is MR105 H ZZ EZO open or closed?
It is closed with double metal shields ZZ.

What does H mean?
It indicates higher precision and improved stability.

Is it pre-lubricated?
Yes, it is factory pre-lubricated.

Can it run at high speed?
Yes, it is designed for high rotational speeds.

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