Tapered roller bearing NTN 4T-399A/394A

NTN 4T-399A/394A is a tapered roller bearing reference, within Bearings. Request a quote for 4T-399A/394A via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The NTN tapered roller bearing is a component designed to support simultaneous radial and axial loads. Its cone and cup geometry allows linear contact that distributes the load over a larger surface, providing high load capacity and rigidity. It is used in applications where precision and durability are critical, such as transmission cases, gear reducers, wheel axles and industrial machinery. MR Accesorios Industriales sells the NTN line with 4T and J series designations, and advises you to select the correct part number for your application.

The designation of NTN tapered roller bearings is interpreted from the series and suffixes. In the examples 4T-350A/354A, 4T-359A/354A, 4T-369A/362A, 4T-370A/362A, 4T-385A/382A, 4T-386A/382A, 4T-387A/382A and 4T-388A/382A, the prefix 4T identifies the single-row tapered roller family. The J series corresponds to an execution with standard dimensions. The numbers and letters that follow indicate the size and characteristics of the cup and cone, which are supplied as a set. To correctly interpret each code, it is essential to consult the NTN dimension tables.

These bearings are used in a wide variety of industries in Argentina. They are common in vehicle gearboxes, speed reducers, wheel axles of agricultural machinery, mining equipment, cranes and conveyor systems. They are also found in machine tool spindles and railway applications. Their ability to support combined loads makes them suitable for demanding environments, where reliability and service life are priorities. MR Accesorios Industriales supplies NTN bearings for replacement and new projects.

To select a tapered roller bearing, take into account the radial and axial load, rotation speed, lubrication and mounting. It is important to verify internal clearance and alignment during installation, as these bearings are sensitive to misalignment. Proper sealing and lubrication extend service life. NTN offers variants with different cages and treatments. If you need technical assistance, the MR Accesorios Industriales team helps you choose the correct part number for your equipment.

Regarding equivalences, tapered roller bearings are manufactured under international standards that allow interchangeability between brands. However, each manufacturer may have variations in tolerances and materials. When replacing a bearing, it is advisable to verify critical dimensions and contact angle. If you have another brand's part number, we can quote you the NTN equivalent. NTN's 4T series and J series cover a wide range of applications and are recognized for their quality and performance.

To request a quote for the bearing you need, send the complete part number via WhatsApp to MR Accesorios Industriales. If you cannot find the exact reference, let us know and we will quote it for you. We work with the NTN line and provide technical advice so your equipment keeps running. Write to us and we will reply shortly with the information you need.

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