MR115-2RS Ball Bearing

The MR115-2RS Ball Bearing is a miniature deep groove ball bearing with double rubber seals designed for compact applications requiring precise rotation, smooth operation, and effective lubricant retention.

Manufactured from chrome steel and factory pre-lubricated, this model features compact 5x11x4mm dimensions, making it widely used in small motors, electronic equipment, and precision mechanical systems. The 2RS configuration helps reduce exposure to dust and moisture while supporting longer service life and stable operation.

Applications for the MR115-2RS

The MR115-2RS can be used in a variety of compact systems and precision equipment, including:

• Mini electric motors
• Electronic equipment
• RC models
• Drones and gimbals
• Precision instruments
• Small gear assemblies
• Automated equipment
• Compact rotating systems

Miniature bearings like the MR115-2RS are commonly selected for applications with limited space and smooth rotational requirements.

Key Features

Compact size

Its miniature dimensions allow installation in small equipment and precision mechanisms.

Double rubber seals

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

Smooth operation

Deep groove design supports reduced vibration and improved rotational stability.

Chrome steel construction

Chrome steel provides dependable mechanical strength and durability for continuous applications.

When to Use a Miniature Bearing

Miniature bearings like the MR115-2RS are commonly recommended for:

• Compact equipment
• Precision applications
• Low-load systems
• Electronic and automation equipment
• Small high-speed motors

Usage Recommendations

To help maximize bearing life:

• Avoid excessive impact loads
• Maintain proper alignment
• Keep the system clean
• Avoid 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 dependable performance and reliable operation.

FAQ

What does MR115-2RS mean?

MR115 identifies the miniature bearing size, while “2RS” indicates rubber seals on both sides of the bearing.

What size is the MR115-2RS?

This bearing measures 5x11x4mm.

Does the MR115-2RS come pre-lubricated?

Yes. The bearing comes factory pre-lubricated.

Can this bearing be used in small motors?

Yes. The MR115-2RS is commonly used in miniature motors and compact equipment.

Is chrome steel durable?

Yes. Chrome steel provides dependable mechanical strength and reliable performance in compact rotating systems.