SKF RNAO 6X13X8 TN needle roller bearing

SKF RNAO 6X13X8 TN is a reference of needle roller bearing, within Bearings. Request a quote for RNAO 6X13X8 TN via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The SKF needle roller bearing of the RNAO series is a radial bearing without an inner ring, with a TN plastic cage. It is used when radial space is limited and the shaft is already hardened and ground, since the needles run directly on it. It is a compact solution for radial loads in transmissions, machine tools and industrial equipment. MR Accesorios Industriales carries this line as a brand.

The RNAO designation reads as follows: R indicates a radial bearing, NA that it is a needle roller bearing, O that it has no inner ring, and the final N that it has a lubrication groove in the outer ring. The numbers that follow indicate the dimensions: in RNAO 6X13X8 TN, the bore diameter is 6 mm, the outer diameter 13 mm and the width 8 mm. The suffix TN indicates an injected plastic cage, suitable for moderate temperatures and high speeds. In RNAO 8X15X10 TN the same criteria apply: 8 mm bore, 15 mm outer diameter and 10 mm width.

These bearings are used in industries where space is critical: machine tools, pumps, compressors, gear transmissions, packaging and material handling equipment. In Argentina they are found in the maintenance of gearboxes, spindles, pulleys and oscillating mechanisms. Since they have no inner ring, the shaft must meet the hardness and roughness required by the raceway; if the shaft is not heat treated, it is advisable to evaluate a version with an inner ring. MR Accesorios Industriales carries them for replacement and new projects.

To select correctly, take into account the radial load, the speed and the type of lubrication. The groove and lubrication holes in the outer ring allow greasing from the housing. Internal clearance and alignment are key: excessive misalignment shortens bearing life. The TN cage handles speed well, but check the operating temperature. Mounting is done with an interference fit on the outer ring and the shaft acts as the raceway; therefore, check the hardness and grinding of the shaft before installing.

As for equivalents, needle roller bearings without an inner ring are available from different brands under similar designations, but codes should not be interchanged without verifying dimensions, tolerances and cage type. The SKF RNAO series may have equivalents from other manufacturers, but each one defines its own suffixes. For replacements, the safest approach is to compare dimensions and functional characteristics. If you have doubts, send us the complete part number and the housing dimensions.

If you need this SKF needle roller bearing, write to us on WhatsApp with the part number RNAO 6X13X8 TN, RNAO 8X15X10 TN or the one shown on your equipment. At MR Accesorios Industriales we advise you so you can choose the right option for your application. We can also help you identify alternatives. Request a quote with us and solve your maintenance.