Our two websites—THK.com and THKStore.com— have merged into one fully integrated platform designed to make your experience faster, easier and more efficient.

With a single login and improved access to technical resources, product information, and online purchasing, everything you need will be in one place. (read more)

Sometimes a standard product isn't the right fit. When your specifications and parameters exceed what off-the-shelf solutions can offer, THK provides customization options to maximize your efficiency and performance.

Our linear motion solutions are engineered to deliver smooth, accurate movement while minimizing maintenance requirements and enhancing overall system performance. Wh... (read more)

Robots are used in various industries to position workpieces very quickly and accurately. Some robots have multi-joint assemblies letting them simulate the movements of human arms. These joint sections must have a high swing accuracy and high rigidity ensuring that sudden stops do not put them off-track, THK's unique products are powerful and small enough to meet those demands. (read more)

Ball Screw Assembly Series

Don't miss out on the BNK & SDA-VZ Ball Screw Assembly Series available now as part of our THK's Quick Ship Program. Designed to simplify your projects and minimize assembly time, these assemblies are ready when you are.

Each Ball Screw Assembly includes:

• Ball screw shaft (finished ends for standard THK support units)<.../li>

THK’s history is full of stories about its founder and employees using whatever means necessary to create innovative solutions for customers. Decades ago, this included the introduction of the Linear Motion Guide which has revolutionized the capabilities for precise positioning and accuracy within the manufacturing market.

From it’s humble warehouse beginnings to the c... (read more)

The leading player among cutting machines is the machining center. Known for their high accuracy and rigidity, machining centers rely on Caged Ball LM Guides and Ball Screws to position workpieces accurately and quickly, as well as to drive the cutting tool mechanisms. Cross-Roller Rings are used in the rotary table, enabling smooth and precise rotary motion. (read more)

THK's linear motion systems help provide the guidance that makes this precision and speed possible. All the various parts used in machine tools are produced by 'mother machines' that manufacture components themselves. Whether fine and complex or massive and heavy, the manufacturing precision of parts produced by machine tools continues to increase at an accelerating pace. (read more)

The THK KR Series integrates LM Guides, ball screws, and support units in a pre-assembled actuator, achieving 66% smaller dimensions and 31% lighter weight than conventional systems. Its patented Circular Arc Groove Contact technology maintains precision and rigidity while reducing engineering labor for semiconductor, machining, electronics, and medical applications.

Explore Speci... (read more)

At THK America, we’re committed to delivering high-quality motion components with the reliability and speed your operations demand. That’s why we’re proud to offer a growing selection of products manufactured right here in the U.S. at THK Manufacturing of America in Hebron, Ohio.

Need it fast? Our in-stock products are ready to ship with less than 1... (read more)

Today, semiconductor and LCD panel manufacturing equipment is essential for the production of all kinds of electric and electronic appliances, including PCs, cell phones and flat-panel televisions. Advances in this equipment promote enhancements to PC performance and cell phone functions, and enrich people's lives by reducing the cost of flat panel TV sets. THK's products can meet this k... (read more)

At THK, we understand that every application has unique requirements — that’s why we’re excited to offer two Quick Ship products, the new Ball Screw Assembly Series and the Ball Screw Slide (KR), previously known as the KR Actuator. designed to speed your project from concept to completion. (read more)

Today, semiconductor manufacturing equipment is essential for the production of all kinds of electronics.
For more information on how THK products are essential to the semiconductor industry. (read more)

The Cross-Roller Guide is a limited stroke linear guide that has precision rollers orthogonalized alternately. This product provides rigid yet supple linear motion and is particularly suitable for linear guidance where high rigidity and supple movement is demanded. (read more)

Ball Screw Assembly Series

This month, we’re excited to introduce the BNK & SDA-VZ Ball Screw Assembly Series — now available as part of our Quick Ship Program. This series will help simplify your motion system design and reduce assembly time.

Learn More from THK (read more)

The LM Guide (Linear Motion Guide) is our main product, incorporating a part with a linear rolling motion into practical usage for the first time in the world. It realizes the development of high-precision, high-rigidity, energy-saving, high-speed machines with long service lives. (read more)

The Ball Screw is a high-efficiency feed screw with the ball making a rolling motion between the screw axis and the nut. Compared with a conventional sliding screw, this product has drive torque of one-third or less, making it most suitable for saving drive motor power. (read more)

THK's products are widely used on critical parts of railway cars, automobiles and other vehicles. In particular, in the automobile manufacturing process, THK's products are used in almost all types of equipment, robots, processing machines, and assembling machines. (read more)

Seed Solutions and THK: Driving Progress in Medical Robotics

Medical robotics is a relatively new field. In a short period of time, the market for surgical robots and other medical robots has grown considerably with organizations like Seed Solutions paving the way with innovative advances.

Our Case Study: Sowing the Seed for Growth in the Medical Robot Market shares... (read more)

We provide a variety of products here at THK that we can ensure will reach you in little time. Check out some products from our catalog of Quick Ship products.

• Linear Motion Guides
• Linear Actuators

THK's linear motion systems help provide the guidance that makes this precision and speed possible. All the various parts used in machine tools are made by "mother machines" that produce machine parts themselves. Whether fine and complex or massive and heavy, the manufacturing precision of parts produced by machine tool is increasing at an accelerating pace. (read more)

Robots emerged in the early 1960s as a way to automate the monotonous and dangerous tasks in factories around the world. As time passed and new technologies emerged, these robots have taken a place outside of the industrial market and alongside humans in manufacturing and non-manufacturing applications alike.

Our Case Study THK: Shaping the Future of Service Robotics shares... (read more)

Utilizing Linear Motion Systems for Renewable Energy (read more)

1.Long service life
Most US models have a running life of 20,000km with the maximum load capacity applied (10,000km for US6 and 8), which is the highest level of service life in the industry. LM Guide and ball screw running life can also be calculated based on usage conditions.

2.Long-term maintenance-free operation
Thanks to the use of Caged Ball LM Guide... (read more)

GK Interchangeable Series

Blocks and Rails that meet Global Standards saves money and time

The LM Guide (Linear Motion Guide) is our main product, incorporating a part with a linear rolling motion into practical usage for the first time in the world. It realizes the development of high-precision, high-rigidity, energy-saving, high-speed machines with long service lives. (read more)

The GL - N is a versatile actuator with high moment load capacity due to the use of two linear guide rails.

• High load capacity
• Customizable
• Quick ship

Made in the USA (read more)

The THK OMNIedge System provides predictive failure detection of linear motion components, rotary components and tool monitoring. OMNIedge simply attaches a sensor to a component to quantify and monitor its condition, providing periodic real-time data. (read more)

Cutting edge technology support by THK-NM1

• MRI Scanner
• Electron Microscope
• NMR Spectrometer
• Electron Beam Lithography System

Learn More (read more)

Special alloy for high-performance bearings resistant to magnetization

THK-NM1 is a non-magnetic special alloy that has the degree of hardness necessary for bearings. Products made from this alloy offer excellent load rating, high precision, and low-friction motion in environments that require non-magnetic properties. It is also highly corrosion-resistant being comparable to titan... (read more)

THK-NM1 is a non-magnetic special alloy that has the degree of hardness necessary for bearings. Products made from this alloy offer excellent load rating, high precision, and low-friction motion in environments that require non-magnetic properties. It is also highly corrosion-resistant being comparable to titanium alloys. (read more)

THK has expanded its cross-roller ring lineup with the Cross-Roller Ring Model RBU, which features a solid construction with integrated inner/outer rings that help greatly reduce installation time. (read more)

Robots are used in various industries to position workpieces quickly and accurately.

THK's unique products are powerful and small enough to meet these demands.

Learn More (read more)

THK has released the Miniature Roller Type LM Guide HRG8, 10, and 12, which are the smallest roller type LM Guide models. The HRG is an LM Guide that uses rollers for the rolling elements. As the smallest roller type guides, the HRG8, 10, and 12 achieve higher rigidity and a longer service life than other LM Guide models of similar size. (read more)

This newly developed High-Speed, Double-Row Angular Contact Ring is the best-performing high-speed rotary bearing in THK history! The BWH is a rotary bearing with balls aligned inside a cage between the inner and outer rings, and it is part of the THK Rotary Series along with the cross-roller ring. (read more)

• Can handle harsher environments than caged guides
• A simple and proven product of THK that has been manufactured for over 4 decades
• Can be mounted in various positions for a 4-way equal load

View Product Specifications (read more)

With THK components, create high-speed, precision movements that improve and accelerate production. Create reliable machines that are capable of repeatedly executing complicated operations smoothly. (read more)

The Roller Follower is a compact and highly rigid bearing system. It contains needle bearings and is used as a guide roller for cam discs and straight motion. Since its outer ring rotates while keeping direct contact with the mating surface, this product is thickwalled and designed to bear an impact load. (read more)

The Cam Follower is a compact bearing with a high-rigidity shaft and a built-in needle bearing. Most suitable as a guide roller for cam mechanisms and linear motion of automated machines and dedicated machines.

See Options (read more)

VR

A compact, highly rigid LM system whose roller cage holding precision rollers orthogonally aligned one after another travels by half the stroke on a V-shaped groove formed on a rail.

Learn More (read more)

The ATG is a telescopic slide rail with an inner and outer rail that expand and collapse. This product features a high load capacity, superior durability, and two rows of balls that enable smooth, stable movement. It can also be mounted with an ease unique to slide rails

Conventional slide rails have been widely adopted in the sliding portions of various types of office machinery,... (read more)

Linear Bushing model LM is a linear motion system used in combination with a cylindrical LM shaft to perform infinite straight motion. The balls in the loaded area of the nut are in point contact with the LM shaft.

With the Linear Bushing nut having the most accurate cylindrical shape, this type is widely used.

Learn More about our Linear Bushing Series (read more)

The KR-RL type actuator easily performs gripping, opening/closing, and symmetrical operations with the driving element using left and right threads. Actuators simplify the design and construction of systems by combining separate components, including Linear Motion Guides, drive systems (ball screw or belt), and base frame, into one part.

Get all the details (read more)

The simplification of design and construction of systems in our actuators results in a very compact design as well as provides significant cost savings. If you're looking for a very easy way to quickly build up multi-axis systems, streamline design time, and have the opportunity to focus on performance instead of implementation, look no fu... (read more)

Our Cam and Roller Followers are designed to be compact with high rigidity to ensure optimal performance for your manufacturing needs. We have a variety of sizes, types and models for use in your various applications.

Click here to learn more (read more)

The Link Ball is a spherical slide bearing with a ball stud that provides smooth operation with a minimal clearance. With superb abrasion resistance and large oscillating angle, this product is suitable for the link motion mechanism of various types of automated machines.

This model’s holder made of high strength-zinc alloy is connected in perpendicular to the ball shank. Wi... (read more)

WHAT IS A CROSS ROLLER RING?
Compact bearings that can handle loads and moments in ALL directions with one piece by arranging the rollers perpendicularly. Proprietary design spacer retainers allow for for large load capacity.

The Cross Roller Ring is a roller bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogon... (read more)

The LFK-X/LFH-X type Ball Spline helps save space due to its compact outer dimensions and light weight. This allows for more compact mounting and peripheral components.

The models LFK-X and LFH-X are designed with a lower core height than the conventional model LF-X. This enables more compact designs and space-saving connections of peripheral components.

Learn More a... (read more)

Cross Roller Rings

With the Cross-Roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90゜V groove, separated from each other by a spacer retainer. This design allows just single bearing to receive loads in all directions including, radial, axial and moment loads. Since the Cross-Roller Ring achieves hig... (read more)