Shaft Adapter Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Material

Overall Length

Construction

Shaft Mount Type

For Shaft Misalignment Type

Keyway Width

Maximum Torque

Less than 10,000 in·lbf

10,000 in·lbf to 19,999 in·lbf

20,000 in·lbf to 29,999 in·lbf

30,000 in·lbf to 39,999 in·lbf

40,000 in·lbf or greater

For Rotary Motion

Shaft Coupling Flexibility

Length

Maximum Rotation Speed

REACH

RoHS

Compliant with Exemptions

Not Compliant

Keyway Depth

Export Control Classification Number (ECCN)

1C998

EAR99

DFARS Specialty Metals

Exempt

Clamping Screw Material

Stainless Steel

Steel

Number of Clamping Screws Included

Shaft Coupling Connection

Clamping Screw Type

Torque

Less than 1,000 in·lbf

1,000 in·lbf to 9,999 in·lbf

10,000 in·lbf to 19,999 in·lbf

20,000 in·lbf to 29,999 in·lbf

30,000 in·lbf or greater

Rotation Speed

Less than 2,000 rpm

2,000 rpm to 3,999 rpm

4,000 rpm to 9,999 rpm

10,000 rpm to 19,999 rpm

20,000 rpm or greater

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How can we improve?

2,859 Products

Power Transmission

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

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Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

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Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

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U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

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Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

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Flexible Shafts

Snake around curves and obstructions to transmit rotary motion along any path

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Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

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Clutch/Brakes

Control when to transmit power with a clutch and when to hold a load in place with a brake

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Building and Machinery Hardware

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Shield rotating joints to keep lubricants in and contaminants out

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