6304-2RS Ball Bearing - C3 Clearance - 20x52x15

MODEL 6304-2RS IN DIAMETER (BORE) 20 mm TYPE Rubber Seal on Both Sides OUT. DIAMETER 52 mm MATERIAL 100% Chrome Steel (AISI 52100) RPM 14,000 WIDTH (THICKNESS) 15 mm CLEARANCE  C3 (Pre-Lubricated) DYNAMIC LOAD 3,575 lbs STATIC LOAD 1,775 lbs Image for illustration purposes only. Product may also be supplied in black. Read More 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.