Product page
Angular contact ball bearing NTN 2LA-HSE921U
- Manufacturer Part Number
- 2LA-HSE921U
- Brand
- NTNOfficial distributor
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
- Series
- 2LA-HSE9U
![]()
We respond promptly.
Request your quote via WhatsApp or email, with the quantity and time frame you need.
Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.
Description
NTN 2LA-HSE921U is a angular contact ball bearing reference, within Bearings. Request a quote for 2LA-HSE921U via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
NTN 2LA-HSE9U series angular contact ball bearings are precision components designed to withstand combined radial and axial loads in applications where rotational accuracy is critical. They are used in machine tool spindles, grinding machine heads and metrology equipment. Their angular contact design allows mounting in pairs or sets, with controlled preload, to achieve rigidity and repeatability. MR Accesorios Industriales sells this line for the Argentine industrial market.
The designation of this series is read in blocks: the prefix 2LA indicates a special precision execution; HSE identifies the family of angular contact ball bearings for spindles; 9 indicates the size or section; and the suffix U corresponds to a design variant, generally linked to the cage type or the contact angle. Examples such as 2LA-HSE910U or 2LA-HSE917U show how the central number varies according to size. To select the exact part number, have the drawing or the complete nomenclature on hand.
These bearings are used in milling machine, grinding machine and machining center spindles, where high speed and rigidity are required. They are also found in precision drill heads, rotary tables and measuring equipment. In Argentine industry, they are common in the automotive, aeronautical and machine tool sectors, as well as in grinding shops seeking repeatability in surface finish.
To choose correctly, consider the mounting arrangement: these bearings are usually installed in pairs, with preload that depends on the application. Sealing and lubrication are critical: in high-speed spindles, specific lubricants are used and, in some cases, minimum lubrication systems. Alignment between supports and cleanliness of the environment prevent premature failures. If you need assistance, MR Accesorios Industriales advises you according to your equipment and working conditions.
As for equivalents, precision angular contact bearings are identified by their complete designation, which varies between manufacturers. There is no universal correspondence between part numbers, so interchangeability requires verifying dimensions, contact angle and tolerances. If you have another brand's part number, we can guide you to find the equivalent NTN reference or the right solution for your application.
To request a quote for the bearing you need, send the complete part number by WhatsApp, for example 2LA-HSE914U, or the main dimensions of your assembly. We will reply shortly with availability and commercial terms. MR Accesorios Industriales, with more than 80 years in the business, is at your disposal to meet your precision bearing requirements.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
- Eje o agujero
- 105 mm
Frequently Asked Questions
- What does the U suffix mean in the 2LA-HSE9U series?
- The U suffix identifies a design variant within the HSE family. It may refer to the cage type, the contact angle or a modification for specific applications. To confirm the exact feature, check with our technical team indicating the complete part number.
- Can they be mounted individually or do they require a pair?
- These angular contact bearings are usually mounted in pairs or sets to withstand axial loads in both directions and achieve the desired preload. Individual mounting is possible in certain configurations, but the selection depends on the spindle design. We advise you according to your application.
- How do I request a quote for an NTN 2LA-HSE9U bearing?
- Write to us on WhatsApp with the complete part number shown on your equipment or drawing. If you don't have it, send us the main dimensions and a photo. We will quote you shortly and indicate the exact reference you need.

