Flexible U-Joint Connectors | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

U-Joint Type

Material

Stainless Steel

Shaft Mount Type

Joint Type

Ball and Socket

Joint Diameter

Keyway Width

Torque @ Motor Speed

15 in·lbf @ 300 rpm

51 in·lbf @ 300 rpm

70 in·lbf @ 300 rpm

83 in·lbf @ 300 rpm

100 in·lbf @ 300 rpm

101 in·lbf @ 300 rpm

110 in·lbf @ 300 rpm

150 in·lbf @ 300 rpm

180 in·lbf @ 300 rpm

183 in·lbf @ 300 rpm

200 in·lbf @ 300 rpm

225 in·lbf @ 300 rpm

235 in·lbf @ 300 rpm

245 in·lbf @ 300 rpm

250 in·lbf @ 300 rpm

260 in·lbf @ 300 rpm

280 in·lbf @ 300 rpm

282 in·lbf @ 300 rpm

Set Screw Material

Stainless Steel

Maximum Operating Angle

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

For Shaft Misalignment Type

Overall Length

Keyway Depth

Operating Angle

OD

Maximum Rotation Speed

Lubrication

Length

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

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181 Products

U-Joints

Single U-Joints

Sealed Single U-Joints

Sealed Single U-Joints

A cover seals out contaminants and seals in lubricant

Corrosion-Resistant Sealed Single U-Joints

Corrosion-Resistant Sealed Single U-Joints

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

Single U-Joints

Single U-Joints

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

Machinable-Bore Single U-Joints

Machinable-Bore Single U-Joints

Customize the bores to fit the exact dimensions of your shafts

Precision Single U-Joints

Precision Single U-Joints

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

High-Torque Single U-Joints

High-Torque Single U-Joints

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

Clamp-On Single U-Joints

Clamp-On Single U-Joints

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

Corrosion-Resistant Single U-Joints

Corrosion-Resistant Single U-Joints

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

Constant-Velocity Single U-Joints

Constant-Velocity Single U-Joints

The flexible spring keeps your shafts moving in sync

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

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

Made to meet strict military standards for material and construction

Corrosion-Resistant High-Speed Single U-Joints

Corrosion-Resistant High-Speed Single U-Joints

For applications that run continuously in wet environments

Mil. Spec. Machinable-Bore Single U-Joints

Mil. Spec. Machinable-Bore Single U-Joints

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

High-Speed Single U-Joints

High-Speed Single U-Joints

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

Sanitary Sealed Single U-Joints

Sanitary Sealed Single U-Joints

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

Extreme-Angle Geared Single U-Joints

Extreme-Angle Geared Single U-Joints

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

Double U-Joints

Adjustable-Length Precision Double U-Joints

Adjustable-Length Precision Double U-Joints

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

Double U-Joints

Double U-Joints

Connect and transfer torque between shafts that are parallel or misaligned

Quick-Change Adjustable-Length Double U-Joints

Quick-Change Adjustable-Length Double U-Joints

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

Machinable-Bore Double U-Joints

Machinable-Bore Double U-Joints

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

Precision Double U-Joints

Precision Double U-Joints

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)