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Ball Screws and Nuts
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Flange Nut Ball Nuts Style C |
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, they 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 direction and size. 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.
Ball Screws—Right-Hand Threaded
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Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Root Diameter—Root diameter indicates the diameter the ball screw will be after machining away the threads.
Thread Size | Lg., mm | No. of Thread Starts | Travel Distance per Turn, mm | Accuracy for Travel Distance per Turn | Root Dia., mm | Hardness | Tensile Strength, psi | Temp. Range, ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Carbon Steel | ||||||||||||
| M25 | 500 | 1 | 5 | ±0.210 mm/300 mm | 22.2 | Rockwell C58 | 21,000 | 5 to 175 | 6624K65 | 0000000 | ||
| M25 | 1,000 | 1 | 5 | ±0.210 mm/300 mm | 22.2 | Rockwell C58 | 21,000 | 5 to 175 | 6624K11 | 000000 | ||
| M25 | 1,500 | 1 | 10 | ±0.210 mm/300 mm | 20.2 | Rockwell C58 | 21,000 | 5 to 175 | 6624K16 | 000000 | ||
Platform Ball Nuts—Right-Hand Threaded
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Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Flange Ball Nuts—Right-Hand Threaded
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Style C |
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Fast-Travel Ball Screws and Nuts
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Ball Nuts, Externally Threaded Nut, Style A |
Multiple thread channels (also known as thread starts) create faster linear travel than ball screws with a single thread start. Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. To ensure compatibility, select components that have the same thread size and number of thread starts. 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.
Externally Threaded Ball Nuts—Right-Hand Threaded
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Style A |
Carbon Steel—Carbon steel ball screws and nuts are case hardened, so they resist wear better than standard carbon steel. However, they are less corrosion resistant than black-oxide alloy steel screws and nuts.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Style | Thread Size | Lg., mm | Dia., mm | No. of Thread Starts | Travel Distance per Turn, mm | External Thread Size | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash, mm | Temp. Range, ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Carbon Steel | ||||||||||||||
| A | M12 | 50 | 30 | 1 | 10 | M25 | Rockwell C56 | 1,000 | 0.02 | 32 to 150 | 4566N301 | 0000000 | ||
