
NTN 5S-2LA-HSEW914UAD angular contact ball bearing
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
- Series
- HSE
We reply promptly.
Tell us the quantity you need and request a quote by WhatsApp or email.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Description
NTN 5S-2LA-HSEW914UAD 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-HSEW914UAD and any equivalents.
For machine tool spindles and other setups that need rotational accuracy, the NTN HSE series angular contact ball bearing handles combined radial and axial loads. Its internal geometry keeps friction low at high speeds, which suits measuring equipment and positioning systems. We can help you match the right variant to your application.
The part number is built from blocks. The 5S prefix tells you the balls are hybrid ceramic. The 2LA block covers cage type and lubrication. HSE marks the high-precision angular contact series. A three- or four-digit number gives the bore diameter, and the UAD suffix sets axial clearance and preload. So 5S-2LA-HSEW910UAD is a bearing with ceramic balls, a polyamide cage, HSE series and a 10 mm bore. Reading the code this way helps you order the exact component.
Typical uses include milling, grinding and machining center spindles where rigidity and rotational precision matter. You will also find these bearings in metrology equipment, rotary tables, robot actuators and high-speed transmission systems. They are a common choice in precision machine shops, auto parts plants and medical equipment manufacturing.
Selection depends on axial and radial load, operating speed and mounting style. HSE bearings can be paired, and preload is adjusted through the UAD suffix. Choose sealing and lubrication for the environment: polyamide cages for high speeds, and lubricants rated for elevated temperatures. Accurate alignment between supports avoids parasitic loads and supports service life.
NTN HSE bearings can be interchanged with those from other leading brands when dimensions and axial clearance match. For equivalents, check bore, outer diameter and width, plus contact angle and load capacity. If you need help identifying a replacement, send the part number and our team can assist.
To request a quote, send the complete part number by WhatsApp or email. We reply promptly and can suggest equivalents or help you choose the right configuration.
Dimensions
- Bore
- 70 mm
Frequently asked questions
- What does the UAD suffix mean in HSE bearings?
- The UAD suffix defines the axial clearance and preload of the bearing. It matters for applications that need high rigidity and precision, such as machine tool spindles. Include the full part number when requesting a quote so the correct configuration is quoted.
- Are NTN HSE bearings compatible with other brands?
- Yes, NTN HSE series angular contact bearings can be interchanged with those of other recognized brands when the main dimensions and load characteristics match. Verify bore, outer diameter and width, and contact us for equivalents.
- How do I choose between the different variants of the HSE series?
- The choice depends on load, speed and environmental conditions. The 5S prefix indicates ceramic balls, which suit high speeds. The UAD suffix defines preload. Our team can advise you based on your specific application.

