SKF Needle Roller Bearing Cylindrical 45 mm Inside Diameter 68 mm Outside Diameter Shielded NA 4909.2RS

SKF NA 4909.2RS Needle Roller Bearing is a high-performance cylindrical bearing with a 45 mm inside diameter and 68 mm outside diameter. This shielded bearing features a robust steel needle roller construction combined with a sheet metal cage to maximize stability and reduce friction under demanding industrial conditions.

This single-row needle roller bearing offers a race width of 23 mm, providing a compact and slim profile for applications requiring efficient radial space utilization. With a high static load rating of 64 kN and a dynamic load rating of 45 kN, the bearing supports heavy radial loads while maintaining durability and long service life.

Designed for a limiting speed of 3800 rpm, the bearing is suitable for a wide range of machinery including automation systems, electronic devices, automotive assemblies, and industrial equipment. The shielded end type protects internal components from dust and contaminants, ensuring reliable operation.

The sheet metal cage enhances roller alignment and stability, contributing to reduced wear and operational efficiency. Installation requires accurate alignment and regular maintenance to ensure lubrication and optimal clearance.

High dynamic load rating of 45 kN for heavy-duty performance. Durable steel needle rollers ensure long-lasting wear resistance. Sheet metal cage improves roller stability and reduces friction. Single row design optimizes radial space in machinery.

Shielded ends offer enhanced protection against contaminants. Limiting speed rated at 3800 rpm for versatile industrial use. Ideal for automation, electronics, automotive, and mechanical industries. Compact dimensions of 45 mm inside diameter and 68 mm outside diameter.

Slim 23 mm race width for efficient load handling.

This SKF needle roller bearing is engineered for reliability and high load capacity in limited space environments. It is well suited for industrial, manufacturing, and mechanical machinery applications requiring robust bearing solutions. Browse EnvMart's category for Needle Roller Bearings to explore compatible products and alternatives.