U-Joints | McMaster-Carr

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System of Measurement

Shaft Diameter

U-Joint Type

Shaft Type

Joint Type

Shaft Mount Type

Material

Joint Diameter

For Shaft Misalignment Type

Overall Length

Maximum Operating Angle

Keyway Width

Maximum 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

Torque @ Motor Speed

Operating Angle

Maximum Rotation Speed

Length

Drive Style

Keyway Depth

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

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415 Products

U-Joints

Single U-Joints

Connect and transfer torque between shafts that are misaligned at an angle

44 products

High-Torque Single U-Joints

Transfer more torque than any other U-joint in our offering

12 products

Precision Single U-Joints

No motion lost when your shafts change direction, preserving accurate, repeatable motion

16 products

Constant-Velocity Single U-Joints

The flexible spring keeps your shafts moving in sync

6 products

Corrosion-Resistant Single U-Joints

Use in wet environments to connect and transfer torque between two shafts

5 products

Clamp-On Single U-Joints

Ideal for assemblies that change frequently with clamping screws that are quick to loosen

7 products

Sealed Single U-Joints

A cover seals out contaminants and seals in lubricant

10 products

Extreme-Angle Geared Single U-Joints

Transmit rotary motion between shafts misaligned up to 136°, the widest angle of our U-joints

3 products

Corrosion-Resistant Mil. Spec. Machinable-Bore Single U-Joints

Made to meet strict military standards for material and construction

11 products

Corrosion-Resistant High-Speed Single U-Joints

For applications that run continuously in wet environments

10 products

Machinable-Bore Single U-Joints

Customize the bores to fit the exact dimensions of your shafts

3 products

Mil. Spec. Machinable-Bore Single U-Joints

Drill the bores to create custom U-joints that meet strict military standards

7 products

High-Speed Single U-Joints

Run continuously at higher speeds and last longer than other types of joints

5 products

Corrosion-Resistant Sealed Single U-Joints

A heat- and water-resistant silicone cover keeps lubricant in and contaminants out

8 products

Sanitary Sealed Single U-Joints

Connect misaligned shafts in sanitary environments, such as food and pharmaceutical plants

10 products

Double U-Joints

Adjustable-Length Precision Double U-Joints

Lengthen and shorten these telescoping U-joints to fit your application

1 product

Double U-Joints

Connect and transfer torque between shafts that are parallel or misaligned

6 products

Precision Double U-Joints

No motion lost when your shafts change direction, preserving accurate, repeatable motion

6 products

Quick-Change Adjustable-Length Double U-Joints

A spring automatically lengthens or shortens these U-joints to fit your application

5 products

Machinable-Bore Double U-Joints

Drill custom bore sizes to connect shafts that are parallel or misaligned

6 products

Other Products

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

29 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

162 products

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

18 products

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

12 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

7 products