NTN 5S-2LA-HSEW917U angular contact ball bearing

NTN 5S-2LA-HSEW917U 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-HSEW917U and any equivalents.

For machine tool spindles and metrology equipment, the NTN HSE series angular contact ball bearing delivers the rigidity and running accuracy that combined radial and axial loads demand. Its ball and raceway geometry is built for angular contact, which supports axial capacity and stiffness. MR Industrial Accessories LLC supplies this series to maintenance and purchasing teams across the United States and Latin America.

Reading an HSE part number: take 5S-2LA-HSEW910U. The 5S prefix points to a special dimensional stabilization treatment. The 2LA segment covers internal clearance and preload. HSEW910U then defines the series size and features, while the closing digits (910, 911, 912 and so on) set bore diameter and main dimensions. Every variant keeps the same angular contact geometry.

Typical installations include milling, grinding and machining center spindles where speed and precision matter. You will also find these bearings in rotary tables, metrology instruments and high-accuracy positioning systems. Their ability to handle combined loads makes them a fit for assemblies where other bearing types fall short.

Selection depends on load type, rotational speed and operating environment. The HSE series accepts various sealing and lubrication arrangements to suit the application. Correct mounting calls for careful alignment and controlled preload to prevent overload. Lubrication must match the working speed and temperature. In vibrating equipment, check internal clearance and housing fit.

Interchange between manufacturers is possible when dimensions, tolerances and internal clearance align. Compare the full designation, prefixes and suffixes included, because those characters signal thermal stabilization or preload. Matching only diameter and width is not sufficient. MR Industrial Accessories LLC can help you identify the NTN reference that fits your application.

To request a quote, send the complete part number on WhatsApp. If the designation is unclear or you need a specific variant, tell us the dimensions or the equipment involved and we will guide you.