Needle roller bearing NTN HK3520

NTN HK3520 is a needle roller bearing reference, within Bearings. Request a quote for HK3520 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The NTN HK series needle roller bearing is a single-row radial bearing with a machined outer ring and no inner ring. The needles run directly on the shaft, which must be hardened and ground. Its very low radial section allows it to be mounted where a ball bearing will not fit, and it supports high radial loads for its size. It is used in machine tools, electric motors, pumps, compressors and transmissions.

The HK series designation is read as follows: the letters identify the needle roller bearing family with a machined outer ring and no inner ring; the numbers that follow indicate the bore diameter and the width of the part. For example, HK2520 corresponds to a bearing with a 25 mm bore diameter and 20 mm width; HK2820 to one with a 28 mm bore diameter and 20 mm width; HK3520 to one with a 35 mm bore diameter and 20 mm width. The suffixes shown in the catalogue indicate sealing, tolerance or cage variants, and are checked according to the application.

In Argentine industry, HK series needle roller bearings are chosen for machine tools, electric motors, pumps, compressors, gearboxes and transmission equipment. They also appear in conveyor rollers, textile machines, bottling equipment and agricultural machinery. Their low profile and radial load capacity make them ideal for support points where axial space is limited and speeds are moderate or high.

To correctly select an HK bearing, take into account the shaft diameter and hardness: the raceway is formed directly on the shaft, which must have suitable surface hardness and a fine surface finish. Check the alignment between the shaft and the housing, because excessive misalignment accelerates wear. Lubrication can be grease or oil, and the sealing is chosen according to the environment: open for clean interiors, sealed for dust or moisture. Mounting is done with suitable tools, without striking the needles.

NTN HK series needle roller bearings are interchangeable with those of other brands that follow the same dimensional designation, such as SKF, FAG, NSK or INA. Interchangeability is based on the bore diameter, outer diameter and width dimensions, and on the cage type. If the customer brings the code of another brand, at MR Accesorios Industriales we quote it and tell you the exact equivalent. It is always advisable to verify tolerances and internal clearance before replacing one bearing with another.

If you need an HK series needle roller bearing, send us the code or the size on WhatsApp and we will quote it shortly. At MR Accesorios Industriales we work with the leading brands and advise you so that you choose the correct variant for your application.

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