Tapered roller bearing NTN 4T-358/354A

NTN 4T-358/354A is a tapered roller bearing reference, within Bearings. Request a quote for 4T-358/354A via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The NTN 4T series tapered roller bearing is a separable bearing made up of a cone (inner ring with rollers and cage) and a cup (outer ring). It is designed to withstand combined radial and axial loads, with high load capacity. It is used in applications with significant loads and a need for rigidity, such as gearboxes, reducers, wheel axles and industrial equipment. MR Accesorios Industriales sells the NTN line in Buenos Aires, Argentina, and advises you on choosing the correct part number.

The designation of these bearings combines a cone number and a cup number separated by a slash. For example, in 4T-355/354A the prefix 4T identifies the NTN series, 355 is the cone and 354A is the cup. The suffix A indicates a design variant within the same series. Other examples such as 4T-358/354A or 4T-365/362A show how the nomenclature is maintained: the cone and cup are always selected in pairs to form the assembly. Learn more about this series and its applications.

In Argentine industry, NTN 4T series tapered roller bearings are used in gearboxes, road machinery transmissions, mining equipment, mills, pumps and industrial fans. They also appear in commercial vehicle wheel axles and agricultural machinery, where combined loads and shocks are frequent. Their separable design makes assembly and adjustment easier in assemblies that require preload or controlled clearance.

To select the correct bearing, take into account the radial and axial load, the rotation speed and the type of lubrication. Assembly must ensure precise alignment between cone and cup; poor alignment accelerates wear. Sealing or protection against contaminants is key in dusty or humid environments. Lubrication can be grease or oil, depending on the application, and internal clearance is adjusted using shims or nuts. If you need help, send us the part number and we'll advise you.

Tapered roller bearings are identified by the dimensions of the cone and cup, not by a single number. When looking for cross-references between brands, always compare the bore diameter, outer diameter and width measurements, as well as the contact angle. Brands such as SKF, FAG, Timken or NSK have their own designations, but interchangeability is defined by dimensions and load capacity. If you have the part number from another brand, send it to us and we'll tell you the equivalent NTN reference.

If you need an NTN 4T series tapered roller bearing, write to us on WhatsApp with the part number or the measurements you are looking for. At MR Accesorios Industriales we'll quote you promptly and help you find the right part for your equipment. More than 80 years supporting Argentine industry.

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