The NTN NA6903R is a genuine needle roller bearing featuring an inner ring, designed for applications requiring a small radial section height and high load carrying capacity. With precise dimensions of 17mm inner diameter, 30mm outer diameter, and 23mm width, this bearing is suitable for use where the shaft cannot be hardened and ground. It offers a basic dynamic load rating of 15.6 kN and a basic static load rating of 20.3 kN, ensuring reliable performance in demanding industrial environments. The bearing has a limiting speed of 11000 r/min and a mass of 0.051 kg.
NTN Corporation is a major global manufacturer of bearings and other precision equipment. While specific founding details are not widely publicized, the company has a long history, originating in Japan. Today, NTN is recognized as one of the world's leading suppliers of bearings, driveshafts, and related components, serving a diverse range of industries globally.
The brand's product portfolio is extensive, encompassing various types of bearings such as ball bearings, roller bearings, and needle bearings, alongside constant velocity joints and other precision machinery parts. These components are engineered for high performance and durability, often featuring advanced materials and manufacturing processes to meet the demanding requirements of industrial and automotive applications. NTN's technological advancements focus on improving efficiency and extending product lifespan.
At Partao, the catalog features a comprehensive selection of NTN components. Top categories include Ball Bearings, Bearing Housings, Bolts & Fasteners, Flanged Bearings, and Needle Bearings. Over 22,730 genuine NTN spare parts are available at Partao.
NTN components are frequently chosen by equipment manufacturers and maintenance professionals worldwide due to their reputation for reliability and precision. Their products are integral to the smooth operation of machinery across various sectors, from heavy industrial equipment to agricultural applications, ensuring consistent performance and reduced downtime.