Needle roller bearing INA NKI60/25-XL

INA NKI60/25-XL is a needle roller bearing reference, within Bearings. Request a quote for NKI60/25-XL via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The INA NKI-XL series needle roller bearing is a single-row radial bearing with machined inner and outer rings and a steel cage. Its compact design allows it to carry high radial loads in spaces where a ball bearing or cylindrical roller bearing will not fit. It is used in machine tools, transmission equipment, pumps, compressors and any application where the load-to-space ratio is critical. MR Accesorios Industriales supplies this INA line in Buenos Aires, Argentina, with more than 80 years of experience in bearings and power transmission.

The NKI-XL designation reads as follows: NKI identifies a needle roller bearing with machined inner and outer rings, unlike series without an inner ring. The number after the slash indicates the relationship between bore diameter and width: for example, NKI9/12-XL has a 9 mm bore diameter and 12 mm width; NKI12/20-XL has a 12 mm bore diameter and 20 mm width. The XL suffix corresponds to the current INA design generation, with improvements in geometry and surface treatment. For each size, the outer diameter and bore diameter correspond to the standard NKI series.

These bearings are used in industries in Argentina where radial space is limited and loads are high: machine tools, gear transmissions, positive displacement pumps, compressors, packaging equipment and production lines. They also appear in the automotive sector and in road machinery. Their radial load capacity makes them suitable for shafts rotating at moderate and high speeds, provided lubrication and alignment are correct. In food and beverage plants they are chosen when a low-profile bearing with good rigidity is required.

To select an NKI-XL, take into account the shaft diameter, radial load and rotational speed. Sealing is not built into this series: if the environment has dust or moisture, consider adding external seals or protectors. Lubrication can be grease or oil; in applications with circulating oil, verify that the flow reaches the needle area. Mounting requires a press or induction heating, without striking the edges. Alignment between shaft and housing must be precise because these bearings are sensitive to angular misalignment. If the shaft is not hardened, it is advisable to use a series with an inner ring, such as this NKI.

Regarding equivalences, needle roller bearings with an inner ring are identified with similar nomenclatures by different manufacturers: SKF uses the NKI series, NTN the NK series, and other European and Asian manufacturers maintain dimensionally compatible codes. Always verify the bore diameter, outer diameter and width before replacing one brand with another. Dimensional interchangeability does not guarantee the same internal clearance or the same load capacity; consult the tolerances if the equipment is critical. MR Accesorios Industriales supplies the INA brand as part of its bearing line.

If you need an NKI-XL needle roller bearing, send the complete code via WhatsApp to MR Accesorios Industriales. With the model and quantity, we will send you the quote shortly. We can also advise you if you have doubts about the series or the suffix that corresponds to your application.

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