System of Measurement System of Measurement |
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Width Width | Show |
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Width Width | Hide |
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Component Component |
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 | Ball Nut |
Number of Slots Number of Slots |
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Material Material |
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Shape Shape |
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 | Slotted |
Travel Distance per Turn Travel Distance per Turn |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Magnetic Properties Magnetic Properties |
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Height Height |
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Individual/Set Individual/Set |
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For Maximum Screw Size For Maximum Screw Size |
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Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity |
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Selecting Compatible Lead Screws and Nuts
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About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
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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 | Wd., mm | Ht., mm | Center Ht., 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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| M14 | 35 | 34 | 30 | 13 | 1 | 4 | Rockwell C58 | 1,200 | 0.1 | 5° to 175° | 0000000 | 0000000 |
Bearing Retaining Nuts
Often paired with spring lock washers to strengthen their hold, these retaining nuts—also known as shaft nuts—keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. They have slotted sides, so you can tighten and loosen them with a spanner wrench or spanner socket. Made of carbon steel, they’re strong and wear resistant.
Chamfered-face retaining nuts weigh less and produce less heat than stepped-face nuts. They meet ISO 2982 (formerly DIN 981), an international standard for bearing locknut dimensions. Their sizes correspond to SKF KM series. Use them with DIN 5406 spring lock washers.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||
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| Size | Pitch, mm | Spacing | OD, mm | Wd., mm | Specifications Met | For Lock Washer Specifications Met | Each | |
Carbon Steel | ||||||||
Chamfered Face | ||||||||
| M240 | 4 | Extra Fine | 300 | 34 | DIN 981, ISO 2982 | DIN 5406 | 0000000 | 0000000 |
Multi-Slotted Shims
Use a single shim on feet or positioning arms that are secured with multiple fasteners. The slots let you insert, remove, and adjust the shims without disassembling your machinery. Shims are made of steel for good strength. Also known as finger shims.
For technical drawings and 3-D models, click on a part number.