System of Measurement System of Measurement |
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Travel Distance per Turn Travel Distance per Turn |
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Thread Size Thread Size |
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Thread Type Thread Type |
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Diameter Diameter | Show |
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Diameter Diameter | Hide |
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Length Length |
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Nut Type Nut Type |
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![]() | Flange |
Component Component |
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![]() | Ball Nut |
Flange Thickness Flange Thickness |
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Flange Width Flange Width |
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Material Material |
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Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity |
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Mounting Hole Center-to-Center Height Mounting Hole Center-to-Center Height |
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Thread Direction Thread Direction |
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Maximum Backlash Maximum Backlash |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Mounting Hole Diameter Mounting Hole Diameter |
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Flange Hardness Flange Hardness |
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Flange Height Flange Height |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Selecting Compatible Lead Screws and Nuts
More
Metric Ball Screws and Nuts

Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, these have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread size and travel distance per turn. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
For technical drawings and 3-D models, click on a part number.

Thread Size | Lg., mm | Dia., mm | Wd., mm, mm | Ht., mm | Thick., mm | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash, mm | Temperature Range, °F | Each | |
Alloy Steel | |||||||||||||
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M20 | 64 | 52 | 82 | 64 | 12 | 1 | 10 | Rockwell C58 | 2,350 | 0.1 | 5° to 175° | 0000000 | 0000000 |