NSK 21313EAE4 spherical roller bearing

NSK 21313EAE4 is a reference of spherical roller bearing, within Bearings. Request a quote for 21313EAE4 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

NSK spherical roller bearings are self-aligning double-row components designed to withstand high radial loads and axial loads in both directions. Their spherical outer raceway allows the shaft to misalign without losing roller contact, making them ideal for equipment with shaft deflection or assemblies where exact alignment is difficult to achieve. They are used in heavy machinery, conveyors, mills and vibrating equipment, among other industrial applications.

The series designation is read in blocks: the prefix * indicates a stamped steel cage; the following numbers, as in *21308EAE4, indicate the size and dimension series; the letters EAE correspond to an optimized internal design, with higher load capacity and better lubricant retention; and the suffix 4 identifies a stamped steel cage. Thus, *21308EAE4 and *21309EAE4 share the same cage type and internal design, varying only in size. Knowing these codes allows you to order the exact replacement.

In Argentine industry, these bearings are found in mining, cement, steel, paper and pulp equipment, and in bulk conveyors. They are also present in flour mills, mixers and road machinery, where loads are high and working conditions demanding. Their ability to withstand misalignment makes them suitable for long shafts or assemblies on structures that deflect under load, something common in industrial plants in the country.

To select the correct bearing, take into account the radial and axial load, the rotation speed and the shaft diameter. The assembly must ensure careful initial alignment, although the bearing tolerates subsequent misalignment. Lubrication is key: choose grease or oil according to speed and temperature, and verify that the sealing is suitable for the environment (dust, humidity, vapors). An assembly with correct fit and clean lubrication extends the service life of the component.

When looking for equivalents, consider that each manufacturer has its own nomenclature. A spherical roller bearing from another brand can replace the NSK one if the main dimensions, cage type and load capacity match. If you have the code from another brand or an unidentified part, at MR Accesorios Industriales we will indicate the compatible alternative. We work with the actual designations of each manufacturer.

If you need an NSK spherical roller bearing, write to us via WhatsApp with the code or size you are looking for. At MR Accesorios Industriales we will quote it promptly and advise you so you choose the correct option for your equipment. We can also help you if you bring the code from another brand and need the equivalent. We are in Buenos Aires, Argentina, and we serve the entire country.