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

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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.

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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

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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)

Utilize THK's FREE Optimal Product Selection Tool! Even without knowing the model you want, access model numbers, CAD data, reference diagrams and even request quotes efficiently from your device.

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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.

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Interchangeable cylindrial ball spline nut. LT-X nut is more compact than the conventional ball spline nut, Model LT. Outer diameter is up to 10% smaller. This product is compatible with LM bushings.

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VRG

VRG is a finite stroke linear motion guide with rack and pinion mechanism. It provides smooth and highly accurate linear motion without cage-creep.

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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.

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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)

While manufacturing lead times have been increasing industry-wide, our customers continue to experience the benefits of product availability. Here at THK America, we understand that our customers have tight project schedules and the need to meet deadlines. That’s why we offer our Quick Ship Program, which allows you to get many of the high-quality THK parts you need i... (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)

The THK Mobile Showroom is a traveling trade show displaying the most durable and reliable linear motion products. (read more)

The THK Advantage:
Global Standard Roller Guide (HRX)

The HRX is a 4-Way Equal Load Roller LM Guide that is suitable for ultra-high rigidity and ultra heavy loads. Each row of rollers is arranged at a contact angle of 45° so that the LM block has equal load ratings in all directions (radial, reverse radial, and horizontal directions), ensuring... (read more)

The Spherical Bearing is a heavy-duty self-aligning sliding bearing. Highly resistant to impact loads, this product is most fitted to the oscillating section under slow, heavy loads.

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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 Models and options (read more)

Advanced medical technologies are tools for doctors, and assistive devices reduce the burden on caregivers. Progress in medical services, including highly computerized medical apparatuses, protects people's lives. THK's products meet the highest reliability standards required for medical apparatuses.

Our LM Guides and Cross Roller Rings are used for movement of X-ray receptors. Th... (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)

Your Supply Chain is Only as Strong as Its Weakest Supplier

A strong supply chain is the foundation of any manufacturing business, yet many organizations overlook the importance of their supplier's supply chain. If a business partner is unable to provide parts for maintenance in a timely and reliable fashion, they can put your entire operation at risk.

In Why Your Su... (read more)

Finding and retaining good engineering talent has been a perennial challenge for manufacturers. Read The Engineer of the Future: A Guide to Recruiting New Engineers to make sure your organization has the tools to maintain a pipeline of fresh talent that will set it up for success in both the long-term and the short-term. (read more)

Use of a ball cage eliminates friction between balls, and achieves low noise, acceptable running sound, long-term maintenance-free operation, and superbly high speed response. These offer a lightweight, small compact design that is great for applications in the medical and semiconductor industry.

We offer micro LM guide sizes starting at 1mm as well as larger mm sizes in these mod... (read more)

THK's fully enclosed actuator model KRF features a fully enclosed design the prevents all issues caused by foreign materials entering from outside. The actuator body's high rigidity allows for a compact, space-saving design. (read more)

Selecting a vendor for your product offerings can have a huge impact on your production line. Read Why Product Quality Always Comes First to learn tips on quality testing and the key attributes of a high quality vendor. (read more)

Make the most of your brand and rise above the competition with a better understanding of how customization can work for you. Read Adhering to Brand Standards with Component Customization to learn how utilizing customized components can help you increase quality and separate yourself from the competition. (read more)

Production equipment is often overlooked when it comes to centralized stocking. Read Streamlining Inventory with Centralized Stocking to learn more about the application of centralized stocking models to production equipment, and how to create your own. (read more)

Visit THK America's Online Store. Purchase THK products online! Large Inventory Major Credit Cards Accepted 2D/3D CAD & Product Configurator Easy Access Grease MSDS Custom Orders Engineering Support Available for USA, Canada and Mexico Customers If you have any questions, please contact TOSsales... (read more)

THK Seismic Isolation Systems protect your property. Many believe that business continuity requires an enormous amount of effort, but there are some things that can be done without major difficulty, such as installing seismic isolators that protect the valuable property of a company from earthquakes. (read more)

The Linear Ball Slide is a lightweight, compact, limited stroke linear guide unit that operates with very low sliding resistance. It excels in high-speed responsive performance due to its very small frictional factor and low inertia. (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)

OMNI edge is a new service offered by THK that enables predictive failure detection. It works by installing sensors on existing components to monitor their damage and lubrication status, then collecting data to analyze and provide alerts. (read more)

New Compact Caged Ball Screw SDA

The Compact Caged Ball Screw model SDA responds to high-speed application at 5,000 min ^-1 (maximum DN value: 130,000) and realizes low noise, comfortable running sound and long-term mainteniance-free operation. (read more)