Angular contact ball bearing NTN 5S-2LA-HSE921UAD

NTN 5S-2LA-HSE921UAD is a angular contact ball bearing reference, within Bearings. Request a quote for 5S-2LA-HSE921UAD via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The NTN HSE series angular contact ball bearing is a precision component designed to carry combined radial and axial loads in applications where rotational accuracy is critical. Its raceway and ball design allows high speeds with minimal friction. It is used in machine tool spindles, measuring equipment and positioning systems that require rigidity and repeatability. MR Accesorios Industriales sells this line for the Argentine industrial market.

The designation of these bearings is read in blocks. The prefix 5S indicates ceramic balls, which reduce weight and thermal expansion. 2LA identifies a polyamide cage type with ball guidance. HSE corresponds to the high-speed, high-precision series, and 9 to the section diameter. The suffix UAD indicates the internal clearance and preload for universal mounting. Examples such as 5S-2LA-HSE910UAD and 5S-2LA-HSE917UAD show how the size varies within the same family.

These bearings are used in milling machine, grinding machine and machining center spindles, where speed and precision are decisive. They are also found in metrology equipment, rotary tables and high-accuracy transmission systems. In Argentina, the automotive, aeronautical and machine tool sectors use them to replace original components or in new developments. Their ability to run at high speeds makes them suitable for demanding machining processes.

To select the right bearing, take into account the axial and radial load, the rotational speed and the required rigidity. Mounting must be done with suitable tools, avoiding blows that damage the raceways. Correct lubrication and sealing according to the environment are key to service life. Alignment between supports and internal clearance must be verified according to the equipment manual. Careful mounting ensures the expected performance.

NTN HSE series bearings can be interchanged with those from other manufacturers that follow the same precision angular contact nomenclature. When looking for equivalents, compare main dimensions, load capacity and precision class. The numeric code alone is not enough: the suffixes define internal characteristics that affect performance. If you have doubts, consult us with the complete part number and we'll advise you.

If you need a bearing from this series, write to us on WhatsApp with the part number or the size you are looking for. At MR Accesorios Industriales we'll quote it for you shortly and indicate the compatible alternative if applicable. With more than 80 years in the business, we support Argentine industry with reliable technical solutions.

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