NTN 5S-2LA-HSF019AD angular contact ball bearing

NTN 5S-2LA-HSF019AD 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-HSF019AD and any equivalents.

For machine tool spindles and other setups that combine radial and axial forces with tight rotational accuracy, the NTN 5S-2LA-HSF0 angular contact ball bearing is a precision option. It suits grinding heads, measuring equipment and similar assemblies where rigidity and repeatability matter. MR Industrial Accessories LLC supplies this series to customers across the United States, Canada, Mexico and South America.

Reading the code helps when you compare options. The 5S prefix points to a high-precision build with ceramic balls and steel rings for high speed. 2LA covers the cage type and contact angle. HSF identifies the spindle series with adjusted preload. The final 0 is the dimension code. In listings such as 5S-2LA-HSF010AD and 5S-2LA-HSF011AD, the bore diameter changes with that last block. An AD suffix signals an internal design variant, for example preload or axial clearance.

Typical installations include main spindles on machining centers, CNC lathes, grinding machines and boring machines. They also appear in high-speed milling heads, precision electric motor shafts and metrology equipment. When a project calls for axial stiffness together with high speed and low friction, this series is often considered.

Selection comes down to axial and radial load, maximum operating speed and lubrication method. Correct mounting demands precise alignment and suitable preload, which can be set using bearing pairs in back-to-back or face-to-face arrangement. Sealing and lubrication are critical: high-speed use generally calls for oil or high-performance grease. The synthetic cage and angular contact contribute to thermal behavior.

This NTN series can be replaced by equivalents from other precision manufacturers when dimensions, tolerances and load capacity are checked. Interchange is not automatic: contact angle, cage type and internal clearance must be compared. A complete code and the operating conditions are needed to identify the right equivalent. MR can assist with that selection.

To request a quote for this NTN angular contact bearing, send the code or size you need via WhatsApp or email. The team replies promptly and can suggest a compatible alternative when applicable.