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System of Measurement
Thread Size
Component
Nut Type
Travel Distance per Turn
Threading
Number of Mounting Holes
Number of Thread Starts
Dynamic Thrust Load Capacity
Thread Direction
Hardness
Thread Type
Heat Treatment
Bolt Circle Diameter
Maximum Temperature
Minimum Temperature
Tensile Strength
Material
Export Control Classification Number (ECCN)
REACH
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DFARS Specialty Metals
Fast-Travel Ball Screws and Nuts
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Ball Nuts Flange Nut Style E |
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.
Ball Screws—Right-Hand Threaded
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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.
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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Carbon Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M40 | 500 | 4 | 40 | ±0.05 mm/300 mm | 35.4 | Rockwell C56 | 95,000 | 32 to 150 | 00000000 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M40 | 1,000 | 4 | 40 | ±0.05 mm/300 mm | 35.4 | Rockwell C56 | 95,000 | 32 to 150 | 00000000 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Flange Ball Nuts—Right-Hand Threaded
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Style E |
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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.
Flange, mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Style | Thread Size | Lg., mm | Dia., mm | Dia. | Thk. | No. of Thread Starts | Travel Distance per Turn, mm | Bolt Circle Dia., mm | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash, mm | Temp. Range, ° F | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Carbon Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| E | M40 | 101 | 66 | 106 | 18 | 4 | 40 | 85 | Rockwell C56 | 9,550 | 0.07 | 32 to 150 | 00000000 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
