6304-2RS Ball Bearing

The 6304-2RS Ball Bearing is a deep groove ball bearing engineered for industrial applications requiring higher load support, stable rotation, and dependable continuous-duty performance.

Manufactured from chrome steel and equipped with double rubber seals (2RS), this bearing delivers smooth operation, strong mechanical durability, and efficient internal lubrication retention. Deep groove geometry supports reduced vibration, excellent rotational efficiency, and dependable performance in motors, pumps, and medium-load industrial systems.

Applications for the 6304-2RS

The 6304-2RS is widely used in industrial equipment and rotating mechanical systems, including:

• Electric motors
• Industrial pumps
• Gearboxes
• Conveyor systems
• HVAC equipment
• Agricultural machinery
• Industrial fans
• Automated machinery

The 6300 series is known for offering increased load support compared to more compact bearing series while maintaining strong high-speed performance.

Features of the 6304-2RS Ball Bearing

Double rubber seals

Rubber seals help preserve internal lubrication while reducing exposure to dust and moderate moisture.

Excellent load support

The 6300 series construction provides strong radial load capacity for continuous industrial applications.

Smooth and stable operation

Deep groove geometry supports consistent rotation, reduced vibration, and dependable high-speed operation.

Chrome steel construction

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

Versatile industrial use

The 6304-2RS can be used across multiple rotating systems requiring dependable performance and low rolling resistance.

When to Use a 2RS Bearing

2RS bearings are commonly recommended for:

• Moderately dusty environments
• Continuous industrial equipment
• Systems exposed to moderate moisture
• Applications requiring grease retention
• Medium and high-speed machinery

Usage Recommendations

To improve bearing service life:

• Check shaft alignment
• Monitor operating temperature
• Avoid excessive impacts
• Control abnormal vibration
• Use proper installation methods

PGN Bearings Product Line

PGN Bearings supplies industrial components for rotating systems and mechanical power transmission applications. The product line includes ball bearings, roller chains, pillow block bearings, flanged bearings, steel balls, and additional products engineered for dependable industrial performance and continuous-duty operation.

FAQ

What does 2RS mean on a bearing?

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

Does the 6304-2RS come pre-lubricated?

Yes. The bearing comes factory pre-lubricated.

Is this bearing suitable for high-speed operation?

Yes. The 6304-2RS is designed for continuous-duty industrial and high-speed applications.

Can this bearing be used in electric motors?

Yes. The 6304-2RS is widely used in electric motors, pumps, and industrial gearboxes.

What is the advantage of rubber seals?

Rubber seals help retain internal lubrication while reducing exposure to dust and moderate moisture.