INA NKS70-XL needle roller bearing

INA NKS70-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 NKS70-XL and any equivalents.

When radial space is tight and a ball bearing simply will not fit, the INA NKS-XL series is one of the options maintenance teams look at first. It is a single-row radial needle roller bearing built around a machined outer ring and a steel cage. Gearboxes, pumps and power transmission equipment are typical homes for it. MR Industrial Accessories LLC supplies this INA line to customers across the United States, Canada, Mexico and South America.

Reading the designation is straightforward. The letters NKS point to a needle roller bearing with a machined outer ring. The digits that come next give the bore diameter in millimeters. The XL suffix marks the current execution of the series. Every code in the series therefore shares one design and differs only in bore size. Send the complete part number when you want the exact variant confirmed.

Typical applications include gear reducers, pumps, compressors, machine tools and conveyors, plus metalworking, food processing, cement and mining operations. Power transmission layouts that call for rigidity in a narrow radial envelope are another common use. Because there is no inner ring, the shaft itself serves as the raceway, so its hardness and surface finish have to be right.

Selection comes down to radial load, rotational speed and lubrication type. Shaft-to-housing alignment matters a great deal; misalignment speeds up wear on both the needles and the raceway. Check internal clearance and housing fit as well, and apply grease or oil to suit the operating conditions. In dusty or damp environments, add sealing.

Needle roller bearings are identified by designation and dimensions, so other brands may list similar sizes. Whether they interchange depends on execution, cage and suffix, which is why one part number should not be swapped for another without checking the technical data sheet. We can help you match the INA reference your equipment calls for.

Have the part number ready? Send it by WhatsApp or email together with the application and operating conditions, and our team will reply promptly with a quote. We can also suggest equivalents and help you choose. If the variant you need is not listed, write to us with the model or the dimension and we will review it.