INA NKI40/30-TW-XL needle roller bearing

INA NKI40/30-TW-XL belongs to needle roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for NKI40/30-TW-XL and any equivalents.

The INA NKI-TW-XL is a radial needle roller bearing built with machined inner and outer rings, a polyamide cage and needles designed for high loads. It fits applications where radial room is tight but precision and load capacity still matter. MR Industrial Accessories LLC supplies this INA line to customers throughout the United States and in several Latin American countries.

Reading the designation helps you order the right part. NKI marks a needle roller bearing with machined inner and outer rings for high radial loads. The figure that follows gives the bore diameter and the width series: in NKI35/20-TW-XL, the bore is 35 mm and the width is 20 mm. TW points to a reinforced polyamide cage, while XL identifies the current generation in the INA catalogue. With those pieces you can pin down the part without confusion.

Typical installations include machine tools, pumps, compressors, gearboxes, packaging equipment and transmission systems. The compact section suits gearboxes, pulleys and rollers where axial and radial space is limited. You will also find them in mining, food processing and automation equipment, wherever high rigidity and load capacity are needed in a small envelope.

Selection comes down to shaft diameter, radial load and lubrication conditions. The NKI series runs on grease or oil, so check viscosity and how the lubricant is applied. During mounting, keep the shaft and housing aligned and use fits that will not deform the rings. A TW cage handles moderate speeds and operating temperatures within the polymer's limits. In dusty or humid settings, proper sealing helps extend service life.

Interchange is possible with needle roller bearings that have machined inner and outer rings from other brands, provided main dimensions, tolerances and load capacity line up. Bore diameter on its own tells you little: compare width, fillet radius and cage type as well. Before replacing a part, confirm the complete designation with a specialist. MR can advise on alternatives within the INA line and other brands it supplies.

To request a quote for an INA NKI-TW-XL series bearing, send the full code by WhatsApp or email. A reference such as NKI40/30-TW-XL or NKI55/25-TW-XL lets us identify the exact size and advise on the application. Technical questions are welcome from anywhere in the United States and Latin America, and the team replies promptly.