NTN 5S-2LA-HSE011AD angular contact ball bearing

NTN 5S-2LA-HSE011AD belongs to angular contact ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 5S-2LA-HSE011AD and any equivalents.

For machine tool spindles and other rotating equipment where speed and accuracy matter, the NTN HSE series angular contact ball bearing handles combined radial and axial loads. Its oblique contact angle supports axial capacity in one direction, and the precision build suits spindles and demanding applications.

The part code breaks down into meaningful blocks. The 5S prefix denotes ceramic balls, which lower weight and friction. The 2LA segment specifies a cage and lubrication arrangement for high-speed operation. HSE marks the high-precision angular contact series, while the AD suffix covers internal clearance and preload options. In references such as 5S-2LA-HSE010AD or 5S-2LA-HSE017AD, the central number (010, 017) indicates the section size within the HSE0 series.

Typical uses include milling and grinding heads, high-speed motors, measuring equipment, and positioning systems. These bearings run at high revolutions with minimal heat generation, which supports continuous processes that require repeatability and low vibration.

Selection depends on axial and radial load, rotational speed, lubrication method, and mounting arrangement. HSE bearings can be set up in tandem, back-to-back, or face-to-face configurations to match the required rigidity and moment. Cleanliness and sealing also affect service life; in dirty environments, consider extra protection. Proper shaft alignment and axial clearance help prevent overloads.

When replacing a precision angular contact bearing, equivalent codes from other makers may share dimensions and load capacity but differ in cage, lubrication, or tolerance suffixes. Compare bore, outer diameter, and width along with operating conditions before confirming interchangeability.

To request a quote, send the full code or the dimensions via WhatsApp or email. MR Industrial Accessories supplies these bearings across the United States and in several Latin American countries, and our team can suggest equivalents and help you choose.