Needle roller bearing INA NK7/10-TV-XL

INA NK7/10-TV-XL is a needle roller bearing reference, within Bearings. Request a quote for NK7/10-TV-XL via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The INA needle roller bearing of the NK series is a single-row radial bearing without an inner ring, designed to be mounted directly on a hardened and ground shaft. Its low-section design solves support needs in very reduced radial spaces, with good load capacity and rigidity. It is used in machine tools, gearboxes, pumps, textile equipment and transmissions in general. MR Accesorios Industriales sells this INA line in Buenos Aires, Argentina.

The designation of the NK series is read in blocks. The letters NK identify a needle roller bearing without an inner ring, with a machined outer ring. Then comes the bore diameter and the width, separated by a slash: in NK5/10-TV-XL the 5 corresponds to the bore diameter and the 10 to the width. The suffix TV indicates a reinforced polyamide cage and XL, the longer service life version within the line. Thus, NK8/16-TV-XL shares series and suffixes, and changes only in its dimensions.

These bearings appear in applications where radial space is critical: gearboxes, oil pumps, compressors, machine tool spindles, equipment in the textile and food industry, and agricultural machinery transmissions. In the Argentine market they are found in maintenance of gearboxes, electric motors and imported equipment, where replacing the complete bearing with one of equal section simplifies the repair without machining the housing.

To select correctly, keep in mind that the shaft acts as the raceway: it must be hardened and ground with the appropriate hardness and roughness. Check the alignment between shaft and housing, because these bearings are sensitive to misalignment. Lubrication can be grease or oil depending on the assembly, and sealing is solved with external radial shaft seals or with the sealed variants of the line. A correct internal clearance prevents overloads and prolongs the life of the assembly.

As for equivalences, needle roller bearings without an inner ring are interchanged between manufacturers by dimensions and cage type, not by the commercial code. To replace an INA with another brand, compare bore diameter, outer diameter, width, cage type and version. Not all suffixes match between manufacturers, so dimensional verification is essential before mounting.

If you need a quote for an INA needle roller bearing of the NK series, send the complete part number via WhatsApp to MR Accesorios Industriales. With the part number or the shaft and housing dimensions we will reply shortly. We can also advise you if you are looking for a variant with or without a metal cage, or with different versions of the same series.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.