R8-2RS Ball Bearing

The R8-2RS Ball Bearing is an imperial-size deep groove ball bearing engineered for compact applications requiring smooth rotation, lubrication protection, and stable operation in high-speed equipment.

Unlike standard metric series bearings, the R8-2RS belongs to the inch-series bearing family commonly used in American machinery, power tools, agricultural equipment, and electromechanical systems built with imperial dimensions. Its double rubber seals (2RS) help preserve internal grease while reducing exposure to fine dust and light contaminants.

Manufactured from chrome steel and supplied factory pre-lubricated, the R8-2RS combines reduced vibration, quiet operation, and dependable efficiency for continuous industrial applications.

Common Applications for the R8-2RS

The R8-2RS is frequently used in compact equipment and continuous rotating systems, including:

• Power tools
• Small electric motors
• Agricultural equipment
• Conveyor systems
• Automation equipment
• American machinery with imperial sizing
• Ventilation systems
• Hobby and RC applications

The R Series is widely recognized for versatility in inch-dimension applications and dependable adaptability in compact systems.

Main Features of the R8-2RS

Imperial sizing for American machinery

The R8-2RS uses inch dimensions, making it widely applied in equipment manufactured in the United States and systems requiring inch-series bearings.

Double rubber seals

Rubber seals help preserve internal lubrication while providing additional protection against fine dust and moderate moisture.

Strong high-speed response

The bearing is engineered for medium and high-speed applications with reduced heat generation and smooth operation.

Quiet and stable operation

Deep groove geometry contributes to reduced vibration and improved operational stability in compact equipment.

Chrome steel construction

Manufactured from hardened chrome steel to provide dependable mechanical strength and long operational life in industrial rotating systems.

When Is the R8-2RS Commonly Recommended?

This model is typically selected when applications require:

• imperial dimensions
• continuous-duty operation
• reduced maintenance
• additional lubrication protection
• smooth high-RPM performance

Difference Between R8-2RS and R8-ZZ

Although both belong to the same bearing family, there are important differences between the configurations.

R8-2RS

• rubber seals
• improved grease retention
• better protection against light contaminants
• focused on reduced maintenance

R8-ZZ

• metal shields
• lower rolling resistance
• improved extreme RPM performance
• better suited for dry environments

Installation Recommendations

To improve bearing service life:

• Use proper installation tools
• Avoid direct installation impact
• Verify shaft alignment
• Control operating temperature
• Monitor excessive vibration

PGN Bearings Product Line

PGN Bearings supplies components for industrial automation, mechanical power transmission, and rotating systems. The catalog includes deep groove ball bearings, mounted bearings, pillow blocks, roller chains, flanged bearings, and solutions engineered for continuous industrial applications.

FAQ

What does 2RS mean on a bearing?

“2RS” indicates rubber seals on both sides of the bearing.

Does the R8-2RS come pre-lubricated?

Yes. The bearing comes factory pre-lubricated.

Is this bearing suitable for high-speed operation?

Yes. The R8-2RS is designed for medium and high-speed industrial applications.

Can this model be used in power tools?

Yes. The R8-2RS is widely used in power tools, small motors, and compact rotating systems.

What is the advantage of rubber seals?

They help preserve internal lubrication while reducing exposure to fine dust and moderate moisture.