MR105-2RS Ball Bearing

The MR105-2RS Ball Bearing is a miniature deep groove ball bearing with double rubber seals designed for compact applications requiring precision, smooth rotation, and dependable performance in small mechanical systems.

Measuring 5x10x4mm, this miniature bearing is manufactured from chrome steel and supplied factory pre-lubricated to simplify installation and improve operational stability in compact equipment. The 2RS configuration helps preserve internal lubrication while reducing exposure to dust and moisture during operation. (pgnbearings.com)

Applications for the MR105-2RS

The MR105-2RS can be used in a variety of compact systems and precision equipment, including:

• Mini electric motors
• Electronic equipment
• Drones and gimbals
• RC models
• Precision instruments
• Small automated systems
• Compact mechanical equipment
• Hobby and automation applications

Miniature bearings in this category are commonly selected for applications with limited installation space and stable high-speed operation.

Features of the MR105-2RS Ball Bearing

Compact dimensions

Its 5x10x4mm size allows installation in small mechanisms and limited-space equipment.

Double rubber seals

The 2RS configuration helps retain lubrication while reducing entry of external debris.

Smooth and precise rotation

Deep groove design supports low vibration and improved operational stability.

Chrome steel construction

Chrome steel provides dependable mechanical strength and reliable durability for continuous operation.

When to Use a Miniature Bearing

Miniature bearings like the MR105-2RS are commonly recommended for:

• Electronic equipment
• Compact applications
• Precision systems
• Small high-speed motors
• Automated equipment

Usage Recommendations

To help maximize bearing life:

• Maintain proper alignment
• Avoid excessive impact loads
• Keep the system clean
• Prevent overloading
• Monitor abnormal vibration

PGN Bearings Product Line

PGN Bearings supplies solutions for industrial, mechanical, and precision applications. The product line includes ball bearings, miniature bearings, roller chains, pillow block bearings, steel balls, and additional components designed for consistent performance and reliable operation.

FAQ

What does MR105-2RS mean?

MR105 identifies the miniature bearing size, while “2RS” indicates rubber seals on both sides of the bearing.

What size is the MR105-2RS?

This bearing measures 5x10x4mm.

Does the MR105-2RS come pre-lubricated?

Yes. The bearing comes factory pre-lubricated.

Can this bearing be used in drones and RC models?

Yes. The MR105-2RS is commonly used in drones, RC equipment, and compact rotating systems.

Is chrome steel durable?

Yes. Chrome steel provides dependable mechanical strength and reliable performance for compact applications.