Inch Shaft Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Round with Support Rail

Construction

Material

Shaft Mount Type

Overall Length

For Shaft Misalignment Type

Keyway Width

For Rotary Motion

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

Not Rated

Shaft Coupling Flexibility

Length

Diameter

Maximum Rotation Speed

Set Screw Material

Clamping Screw Material

Stainless Steel

Steel

Shaft Coupling Connection

Number of Clamping Screws Included

Number of Set Screws Included

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

EAR99

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5,286 Products

Power Transmission

Shaft Couplings

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

1,470 products

Shaft Coupling Covers

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

13 products

Shaft Adapters

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

54 products

Machinable Shaft Ends

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

56 products

U-Joints

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

168 products

Shear Couplings

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

21 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

1,719 products

Torque Limiters

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

98 products

Brakes

Control how much and how quickly your drive system slows down

7 products

Clutches

Start and stop the transmission of power to machinery

58 products

Clutch/Brakes

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

5 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

1,063 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

24 products

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

8 products

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

62 products

Building and Machinery Hardware

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

24 products

Mechanical Control Cables

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

84 products

Fastening and Joining

Threaded Rod Collars

Hold and position parts on a threaded rod

66 products