Pin-and-Block U-Joints | McMaster-Carr

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System of Measurement

Shaft Diameter

U-Joint Type

Shaft Type

Shaft Mount Type

Joint Type

Joint Diameter

Overall Length

Material

Stainless Steel

Maximum Operating Angle

For Shaft Misalignment Type

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

Keyway Width

Shaft Depth

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

Operating Angle

Lubrication

Maximum Rotation Speed

Keyway Depth

Length

Number of Keyways

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

REACH

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

How can we improve?

105 Products

U-Joints

Single U-Joints

Single U-Joints

Single U-Joints

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

Corrosion-Resistant Single U-Joints

Corrosion-Resistant Single U-Joints

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

Precision Single U-Joints

Precision Single U-Joints

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

Machinable-Bore Single U-Joints

Machinable-Bore Single U-Joints

Customize the bores to fit the exact dimensions of your shafts

Constant-Velocity Single U-Joints

Constant-Velocity Single U-Joints

The flexible spring keeps your shafts moving in sync

Clamp-On Single U-Joints

Clamp-On Single U-Joints

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

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

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

Double U-Joints

Double U-Joints

Double U-Joints

Connect and transfer torque between shafts that are parallel or misaligned

Machinable-Bore Double U-Joints

Machinable-Bore Double U-Joints

Drill custom bore sizes to connect 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

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