Ball Screw Nut

A reliable source for Ball Screw information and leading Ball Screw Companies & Manufacturers.

Ball screw nuts change torque into thrust without rotating themselves. The ball bearings rotate instead and the nut housing remains radially static as it slides on the shaft. Ball screw nuts can be made from plastic or metal; the shaft of the ball screw is machined from steel. Read More…

Ball Screw Nut A ball screw nut is an important component of ball screws, which are devices used to convert rotational motion into linear motion. The nut contains ball bearings that run in the helical grooves of the screw shaft that the nut is paired with.

Leading Manufacturers

Bethel, CT  |  800-245-5013

Del-Tron Precision, Inc. produces and supplies various automated equipment, such as ball screw actuators. Our engineers have designed our ball screws to offer accuracy that is unparalelled by competitors. We are delighted to bring you a custom experience sure to impress and amaze. Call Del-Tron or visit our website to get in touch with our customer service reps today!

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Del-Tron Precision, Inc. $$$

Bethel, CT  |  800-447-2042

When it comes to ball screws, no one does them better! We offer same day shipping to ensure that your product will be sent to you as soon as possible in order to keep your business moving smoothly. We have the technical staff that has the capabilities and the know how to work with you to come up with a product that will fit your specific requirements. Call Tusk or visit our website today!

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Tusk Direct, Inc. $$$

New Berlin, WI  |  800-298-2066

For over 70 years, Dynatect has provided motion control solutions for a wide range of markets. Our ball screws are custom-engineered for both OEM and replacement applications. Not only can Dynatect manufacture new ball screw assemblies, we can also reverse engineer, optimize and repair ball screws from almost any manufacturer. All work is conducted in a modern ISO 9001:2015 certified facility, with experienced technicians, onsite engineering, and inspection/test equipment. Contact us today and we will find a solution that works perfectly for you.

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Dynatect Manufacturing, Inc. $$$

Hicksville, NY  |  516-595-7495

Isel produces ball screws and ball nuts in a variety of styles and diameters. Our ball nuts are patented and offer a simple anti-backlash design. All our ball screws and ball nuts are produced in our own factory in Germany and have found markets world wide, including Asian markets. Each of our products is tested meticulously before leaving our state of the art facility to further ensure quality. For more information on how we may be able to assist you, visit our website today!

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Isel USA, Inc. $$$

Muskego, WI  |  800-828-3431

PST Group specializes in difficult, close-tolerance thread rolling, actuators, acme, ball & lead screws. With oversize capacities, we take pride in our innovative precision engineering for aerospace, aviation, medical & agricultural industries. We use steel, plain carbon and alloy, stainless steel, brass, aluminum and high nickel. ISO 9001:2008 and AS9100 B Certified.

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PST Group $$$

Schaumburg, IL  |  847-310-1111

We manufacture several models of rolling ball screws—flat top and bottom at flange’s circumference (BTK); rectangular nut with mounting holes (BNT); a large (BLK) and a super (WTF) lead rolled ball screw for stability; rotating-nut ball screw having a ball screw nut support bearing (BLR).

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THK America, Inc. $$$

Cleveland, OH  |  800-321-7800

Nook Industries manufactures inch and metric ball screws, acme screws and lead screws. We also produce jack screws, ground ball screws, ball screw jacks, lead ball screws, ball screw assemblies and metric ball screws. We specialize in manufacturing solutions for positioning and lifting applications. Our team aims to be innovative, responsive, and flexible in every project we take on. Call us today and ask us what we can do!

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Nook Industries, Inc. $$$
placeholder image Del-Tron Precision, Inc. Tusk Direct, Inc. Dynatect Manufacturing, Inc. Isel USA, Inc. PST Group THK America, Inc. Nook Industries, Inc.

Frequently used with linear slides and linear actuators, ball screws provide smooth linear motion that can be precisely controlled. They use low amounts of energy when motorized and can be up to 90% efficient in their use of power. Important ball screw considerations include desired lifespan, operating environments temperature and humidity, required torque, output force, backlash and contamination. Ball screws and nuts are used by many industries including the aerospace, computer, electronic, automotive, medical and manufacturing industries.

ball screw nut Ball Screw Nut - Universal Thread Grinding Company

Precision ball screws are used for medical instruments; other applications for ball screws include material handling equipment, conveyors and machine tools, robotic lines, precision assembly equipment, semiconductor manufacturing and fly by wire aircraft and missile control among many others.

Ball screw assemblies are constructed from milled, rolled or ground parts. Milling requires machines and tools that cut and remove material; rolling applies a series of dies to a metal blank to punch out the right shape. Ground ball screws are machined, hardened then ground for very accurate dimensions. Custom ball screws that require high levels of precision are ground.

After the nut is fabricated, ball bearings are placed in the grooves between the nut and screw shaft. External ball return parts are added on the outside of the nut to circulate the balls through the nut. They are short curved tubes that provide a path for the balls that have reached the top of the nut to travel to the bottom and start the process again.

Internal ball return systems or deflectors are also used. Ball screw nuts found in lead screws or acme screws are different because the nuts found in those screws do not actually house ball bearings. Instead, the threading of the nut and of the shaft directly interact and the two parts rotate together. Lubrication allows for smooth turning despite the high friction that occurs. Lead screws are simple to design and manufacture while offering high precision.

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