Couplings for Round Shafts

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System of Measurement

Shaft Diameter

Shaft Type

Round with Support Rail

Material

Construction

Shaft Mount Type

Overall Length

For Shaft Misalignment Type

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

Flexible

Rigid

Flexible Shaft Coupling Cut Style

Parallel

Spiral

Maximum Rotation Speed

Clamping Screw Material

Stainless Steel

Steel

Number of Clamping Screws Included

Keyway Width

3/32"

3/16"

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Clamping Screw Type

Set Screw Material

Width

Number of Set Screws Included

Angular Misalignment Capability

4,573 Products

Power Transmission

Shaft Couplings

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

1,688 products

Shaft Coupling Covers

Shield rigid shaft couplings from dirt, water, and lubricants to extend their life

13 products

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

31 products

U-Joints

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

113 products

Shaft Adapters

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

28 products

Shear Couplings

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

21 products

Machinable Shaft Ends

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

28 products

Flexible Shafts

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

41 products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

2,405 products

Torque Limiters

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

49 products

Clutches

Start and stop the transmission of power to machinery

11 products

Brakes

Control how much and how quickly your drive system slows down

1 product

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Building and Machinery Hardware

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

16 products