6303-2RS Ball Bearing

The 6303-2RS Ball Bearing is a deep groove ball bearing engineered for industrial applications requiring dependable rotational stability, consistent load support, and continuous-duty performance in demanding mechanical systems.

Manufactured from chrome steel and equipped with double rubber seals (2RS), this bearing helps preserve internal lubrication while reducing exposure to dust and moderate moisture. Its deep groove design supports smooth operation, reduced vibration, and strong high-speed performance.

Applications for the 6303-2RS

The 6303-2RS is widely used in industrial equipment and rotating mechanical systems, including:

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

The 6300 series is recognized for providing strong radial load support and dependable continuous industrial performance.

Features of the 6303-2RS 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 design provides dependable radial load capacity for continuous-duty industrial equipment.

Smooth and stable operation

Deep groove geometry supports reduced vibration, consistent rotation, and strong high-RPM performance.

Chrome steel construction

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

Versatile industrial application

The 6303-2RS can be used across multiple rotating systems requiring dependable operation 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 continuous industrial performance.

FAQ

What does 2RS mean on a bearing?

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

Does the 6303-2RS come pre-lubricated?

Yes. The bearing comes factory pre-lubricated.

Is this bearing suitable for high-speed operation?

Yes. The 6303-2RS is designed for continuous-duty industrial and high-speed applications.

Can this bearing be used in electric motors?

Yes. The 6303-2RS is widely used in electric motors, pumps, and industrial conveyor systems.

What is the advantage of rubber seals?

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