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System of Measurement
Component
Thread Direction
Thread Type
Dynamic Thrust Load Capacity
Material
Number of Thread Starts
Maximum Backlash
Number of Mounting Holes
Hardness
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
REACH
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Export Control Classification Number (ECCN)
DFARS Specialty Metals
Ball Screws and Nuts
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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.
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.
Thread Size | Lg., mm | Wd., mm | Ht., mm | Ctr. Ht., mm | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash, mm | Temp. Range, ° F | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alloy Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M14 | 35 | 34 | 30 | 13 | 1 | 4 | Rockwell C58 | 1,200 | 0.1 | 5 to 175 | 6624K73 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M16 | 36 | 42 | 32.5 | 16 | 1 | 5 | Rockwell C58 | 1,200 | 0.1 | 5 to 175 | 6624K27 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M20 | 35 | 48 | 39 | 17 | 1 | 5 | Rockwell C58 | 1,300 | 0.1 | 5 to 175 | 6624K29 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M20 | 58 | 48 | 46 | 18 | 1 | 10 | Rockwell C58 | 2,350 | 0.1 | 5 to 175 | 6624K31 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M25 | 35 | 60 | 45 | 20 | 1 | 5 | Rockwell C58 | 1,500 | 0.1 | 5 to 175 | 6624K33 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M25 | 94 | 60 | 55 | 23 | 1 | 10 | Rockwell C58 | 7,000 | 0.1 | 5 to 175 | 6624K35 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
