Needle roller bearing NTN NA4930

NTN NA4930 is a needle roller bearing reference, within Bearings. Request a quote for NA4930 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The NTN NA series needle roller bearing is a radial bearing with high load capacity in a minimal space. Its design with an inner ring and cage-guided needles allows it to be mounted directly on machined shafts, ideal when the available outer diameter is limited. It is used in machine tools, transmission equipment, pumps and industrial applications where the load-to-space ratio is critical. MR Accesorios Industriales sells the NTN NA series in Buenos Aires, Argentina.

The NA series designation is read in blocks: the letters NA indicate a needle roller bearing with an inner ring, and the number that follows defines the size and the dimension series. For example, NA59/22 corresponds to the NA59 series with a 22 mm bore; NA497 and NA499 belong to the NA49 series with different sizes; NA4822, NA4824 and NA4826 are from the NA48 series. The suffixes, when they appear, indicate sealing, cage or tolerance variants. To identify your bearing, send us the full code.

In Argentine industry, NTN NA series needle roller bearings are used in machine tool spindles, gearboxes, gear pumps, compressors, lifting equipment and agricultural machinery. Their ability to withstand high radial loads with a low profile makes them common in applications where axial and radial space is limited. They are also used in support rollers and cam systems. MR Accesorios Industriales supplies them to workshops, factories and industrial maintenance operations throughout the country.

To correctly select an NA bearing, check the bore, the outer diameter and the width according to the code. Consider the type of sealing: open for oil lubrication, or with seals to retain grease and exclude contaminants. The steel or polyamide cage influences the permissible speed. During mounting, ensure precise alignment and proper shaft fit; the inner ring requires an interference fit. Lubricate with grease or oil according to the application and avoid pure axial loads.

NTN NA series needle roller bearings are interchangeable with those of other brands that follow the same dimensional designation, such as SKF, FAG, NSK or KOYO. The key is to respect the bore, outer diameter and width dimensions, and the cage type. If another brand's code does not match exactly, we can identify the equivalent from the dimensions or the original number. Ask us with the part details and we will advise you.

To request a quote for your NTN NA series needle roller bearing, write to us on WhatsApp with the full code or the shaft and housing dimensions. At MR Accesorios Industriales we provide your quote promptly and tell you the compatible alternative if you need it. We can also advise you on mounting and the right lubrication for your equipment. More than 80 years supporting Argentine industry from Buenos Aires, Argentina.

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