Needle roller bearing INA NA4901-RSR-XL

INA NA4901-RSR-XL is a needle roller bearing reference, within Bearings. Request a quote for NA4901-RSR-XL via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The INA NA-RSR-XL series needle roller bearing is a radial needle roller bearing with an inner ring and seals on both sides. It is used to support high radial loads in tight spaces, where other bearings do not fit. The NA series is characterized by its high load capacity and rigidity, and the RSR-XL variant incorporates seals that retain lubricant and protect against contaminants. MR Accesorios Industriales supplies this INA line in Buenos Aires, Argentina.

The designation NA#-RSR-XL reads as follows: NA indicates a needle roller bearing with an inner ring; the number that follows (for example, in NA4900-RSR-XL or NA4905-RSR-XL) defines the size and load capacity; RSR indicates that the bearing has contact seals on both sides; XL identifies the manufacturer's optimized version. Examples in the series range from NA4900-RSR-XL to NA4907-RSR-XL, with different dimensions. This nomenclature allows the main characteristics to be identified quickly.

Typical applications of INA NA-RSR-XL series needle roller bearings in Argentine industry include machine tools, transmission equipment, pumps, compressors, cranes and lifting systems. They are also used in the automotive industry, in gearboxes and engines, and in agricultural equipment. Their compact, sealed design makes them suitable for environments with dust, moisture or limited lubrication, where high reliability and reduced maintenance are required.

To correctly select an NA-RSR-XL needle roller bearing, take into account the radial load, speed, available space and environmental conditions. The RSR seal is suitable when there is a risk of contamination; if lower friction is required, open variants can be considered. During assembly, check the alignment and cleanliness of the surfaces; lubricate according to specification and avoid impacts that could damage the seals. The cage and rollers must be correctly seated.

INA needle roller bearings can be interchanged with those of other brands that follow the same dimensional nomenclature, such as SKF, FAG or NTN, but it is essential to verify the tolerances and the type of seal. INA's NA-RSR-XL series stands out for its sealing and its optimized design. When requesting a quote, indicate the full part number and the operating conditions to ensure the correct equivalence.

If you need an INA needle roller bearing from the NA-RSR-XL series, write to us on WhatsApp with the exact part number shown on your equipment or drawing. At MR Accesorios Industriales we reply promptly with availability and alternatives for your application.

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