Brand: TIMKEN
TIMKEN NA 438 SW Needle Roller Bearing | 40x52x20mm High Capacity Caged Assembly
The NA 438 SW caged Needle Roller Bearing, leveraging TIMKEN's renowned manufacturing precision, is engineered for applications requiring maximum load capacity within a restricted radial space. Featuring a machined outer ring, a full complement of highly rigid needle rollers, and a robust cage design, this bearing excels in operational environments characterized by shock loads and high speeds. The specific 'SW' suffix indicates specialized sealing or construction features designed to optimize lubrication retention and protect the sensitive rolling elements from industrial contaminants, ensuring extended operational life and reducing premature wear, a critical factor in minimizing costly downtime.
Ideal for use in heavy-duty gearboxes, automotive transmissions, industrial pumps, and textile machinery, the NA 438 SW offers exceptional dimensional stability and running accuracy. Its compact design allows for downsizing of surrounding housing components without compromising the load-carrying ability. By utilizing premium bearing steel (typically SAE 52100) and proprietary heat treatments, TIMKEN delivers a component that guarantees superior fatigue resistance and long-term reliability, providing Senior Engineers and Maintenance Managers with a durable, fit-and-forget solution for demanding rotational systems.
Key Features
Extremely low cross-section relative to bore diameter, maximizing space efficiency.
High static and dynamic load ratings due to optimized roller geometry and full contact surface.
Integrated specialized 'SW' sealing/shielding for exceptional contamination resistance.
Precision-machined outer ring ensures optimal rigidity and dimensional stability.
Suitable for oscillatory movements and continuous high-speed rotation.
TIMKEN certified premium steel construction for superior operational lifespan.
