Ball Bearing Screws | McMaster-Carr

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Rockwell C58 to Rockwell C62

Rockwell C60

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Compliant with Exemptions

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Export Control Classification Number (ECCN)

EAR99

Dynamic Thrust Load Capacity

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. or greater

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

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403 Products

Selecting Compatible Lead Screws and Nuts

Alloy Steel Ball-Point Set Screws

A rolling ball swivels 360° to minimize surface damage and allow for slight adjustments without loosening the screw.

Metric Alloy Steel Ball-Point Set Screws

These metric set screws have a rolling ball that swivels 360° to minimize surface damage and allow for slight adjustments without loosening the screw.

Stainless Steel Ball-Point Set Screws

Stainless steel set screws have excellent corrosion resistance in most environments.

Ultra-Fine-Thread Ball-Point Set Screws

Fine threads give you precise control.

Ultra-Fine-Thread Plastic-Head Thumb Screws

Fine threads give you precise control.

Lead Screws and Screw Jacks

Ball Screws and Nuts

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.

Fast-Travel Ball Screws and Nuts

Multiple thread channels (also known as thread starts) create faster linear travel than ball screws with a single thread start.

Self-Stopping Ball Screws and Nuts

Keep your ball screw spinning without the ball nut damaging your system. When the ball nut reaches the stop pin at either end of the ball screw, it disengages and begins to idle.

Corrosion-Resistant Ball Screws and Nuts

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.

Fast-Travel Corrosion-Resistant
Ball Screws and Nuts

Multiple thread channels (also known as thread starts) create faster linear travel than ball screws with a single thread start.

End Supports for Lead Screws and Ball Screws

A set of ball bearings reduces friction and secures the end of a ball or lead screw.

Metric End Supports for Lead
Screws and Ball Screws

A set of ball bearings reduces friction and secures the end of a metric ball or lead screw.

Roller Screws and Nuts

Precision ground to create more points of contact, these roller screws and nuts are highly accurate and handle much higher loads than ball screws and nuts of the same size.

Ball Screw/Splines and Bearings

From one compact system, transmit linear or rotary motion or both at once (sometimes called spiral motion). Because of these different motions, these ball screw/splines and bearings create efficient, fluid movements in complex automated applications, such as pick-and-place robots.

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Selecting Compatible Lead Screws and Nuts