NSK is a world-class producer of ball and roller bearings, with over 80 years experience in design, development and manufacturing of nearly every kind of anti-friction bearing.

800.242.3332 | info@onexia.com


NSK is an industry leader in precision machine components inlcuding Ball Screws, Linear Guides, Monocarriers and Direct Drive Motors. Contact us today for assistance with sizing and ordering.

Linear Guide

NSK Linear Guides

The manufacturing process for NSK Linear Guides incorporates production technologies that ensure high precision and outstanding quality. NSK offers an extensive product lineup high-load capability, and excellent dust-resistant performance to meet the needs of a variety of industries, such as machine tools, semiconductor manufacturing equipment, general industrial devices, and medical equipment.

Linear Roller Guides

NSK Roller Guides RA Series

RA Series

The most advanced Roller Guides, representing the culmination of NSK's analysis technology and tribology. With a complete lineup featuring high-load capacity and high rigidity, the RA Series meets the needs of a wide range of applications.

Linear Roller Guides

NSK Roller Guides RA Series

RA Series

The most advanced Roller Guides, representing the culmination of NSK's analysis technology and tribology. With a complete lineup featuring high-load capacity and high rigidity, the RA Series meets the needs of a wide range of applications.

NSK Standard Linear Guides NH Series / NS Series

NH/NS Series

Linear guides from the NH and NS series offer maximum precision combined with extremely high load ratings. Outstanding accuracy means that the object in motion is positioned precisely and moves optimally. It also guarantees smooth, even running.

NSK Linear Guides Miniature PU Series / PE Series

PU/PE Series

Light weight, compact and easy to use NSK miniature Linear Guides ensure smooth operation.

NSK Linear Guides High-Accuracy Series

High Accuracy Series

High-performance Linear Guides with outstanding motion accuracy are designed for super high-accuracy machine tools or measuring equipment.

NSK Ball Screws

ball screw

With the world's leading Ball Screw, NSK has been contributing to industrial growth. NSK Ball Screws were developed through cutting-edge tribology (friction control technology), and NSK manufactures the largest volume in the world with its outstanding production and quality control techniques. We offer a complete selection of Ball Screws, from miniature to ultra-large sizes, for machine tools, injection molding machines, and general machinery as well as for use under special environments, such as semiconductor and LCD production equipment.

High-Speed, Low-Noise Ball Screws BSS Series

BSS Series

Quiet and compact, with unparalleled high-speed performance. Low-noise BSS Series Ball Screws are suitable for an extensive range of uses, from transportation equipment to machine tools.

Ball Screws for High-Speed Machine Tools HMD Series / HMS Series

BSS Series

Upgraded version of the highly regarded HMC Series, featuring middle-deflector recirculation system that enables high-speed, low-noise operation. Nut cooling ball screw is also available.

Ball Screws for Twin-Drive Systems TW Series

BSS Series

TW Series Ball Screws deliver the ideal functionality for twin-drive systems and easily realize the high rigidity, accuracy and responsiveness of twin-drive tables.

Ball Screws for Small Lathes BSL Series

BSL Series

Unified component shape facilitates short-term delivery; end-deflector recirculation system adopted for high-speed and low-noise operation.

High-Speed, High-Load Ball Screws HTF-SRC Series/ HTF-SRD Series/ HTF-SRE Series/ HTF Series

HTF Series

Easy-to-use ball screws for high-load applications. Wide variety of products suited for high-load drives.

Grease Retaining A1 Seal HTF-ASRC Type/ HTF-ASRD Type

HTF Series

The grease retaining characteristics of ball screws have greatly improved owing to the A1 seal. The A1 seal helps to maintain a clean and healthy environment.

NSK Ball Screws for Standard Stock Compact FA Series

FA Series

Standard stock series for immediate delivery of BSS Series high-speed, low-noise Ball Screws; next-generation compact Ball Screws offer quiet, high-speed operating performance.

Ball Screws with E-DFO Thin-Film Lubrication for Vacuum Environments

E-DFO Lubrication

Further advanced DFO thin-film lubrication technology ensures significantly longer life and lower outgassinThin-Film Lubrication for Vacuum Environments Ball Screws with E-DFO for Vacuum Environmentsg in vacuum environments.

nsk monocarrier

NSK Monocarriers

A light-weight, single-axls actuator that embodies the technology NSK has accumulated over the years, with an all-in-one structure integrating a Ball Screw, Linear Guide, and support bearing.

NSK Monocarriers, which NSK originally developed ahead of any other manufacturer, offer long-life, maintenance-free operation and are suitable for a wide range of applications. Monocarriers for clean environments are also available.

Monocarriers MCM Series / MCH Series

MCM/MCH Series

Light weight, compact, and high accuracy MCM Series is suitable for small-sized transporting equipment. MCH Series features a rail with high rigidity allowing it to be used as a beam member.



Single-axis actuator with super high-load capacity by installing rollers as the rolling elements. Toughcarrier and Monocarrier MCH Series are interchangeable.

NSK Motors


Megatorque Motor

With their high accuracy, high torque, light weight, and compact size, NSK direct drive motors improve productivity and contribute to higher accuracy, lighter weight, and greater compactness of various devices, such as high-speed robot arms.

Spec Sheet

Megatorque Motor PS Series

megatorque motor

Advanced Megatorque Motors with high-speed, high-resolution capabilities.

Low Profile Megatorque Motor PN/Z Series

megatorque 2

Newly developed, low profile Megatorque Motors that inherit the performance advantages of the PS Series. Brake equipped series and high environmental resistance series are also available.

Catalog Request
NSK Catalog

If you are interested in having literature on NSK precision products mailed to you fill out our literature request and we will send you some right away!

engineering icon

NSK Industries

Steel Industry

NSK offers a comprehensive lineup of bearings for the steel industry, from standard bearings to its own independently developed, high-capacity specialized bearings. NSK is now also responding to the need for high added-value products and an environmentally friendly approach.

Mining & Construction

NSK is able to supply its customers with bearings that offer both long life and a high number of permissible rotations. In this way NSK contributes to increased productivity and to lower maintenance costs in the tough mining environment.


NSK supplies automotive products that are reliable, ecological and efficient. The users for our products in a vehicle are extensive – from simple standard bearings up to sub-assemblies with integrated bearings. NSK is a trusted brand.

Machine Tools

As a comprehensive manufacturer of machinery parts, NSK is able to meet the increasingly sophisticated needs of its clients, and it can assist with both a speedy commencement of operations for machine tools, as well as optimal overall operation.

engineering icon

Catalogs & Videos

Literature downloads and videos for all NSK products.

NSK BSL Series

NSK BSS Series

NSK E-DFO Lubrication


HTF Series

NSK K1 Lubrication

NSK LH/LS Series

NSK Linear Guides

NSK Monocarriers

NSK Toughcarriers

NSK NH/NS Series

NSK TW Series

NSK VH Series