Material Material |
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U-Joint Type U-Joint Type |
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![]() | Double |
Torque Torque |
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For Shaft Misalignment Type For Shaft Misalignment Type |
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![]() | Parallel |
Maximum Torque Maximum Torque |
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Shaft Mount Type Shaft Mount Type |
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![]() | Spring Pin |
Parallel Misalignment Capability Parallel MisalignmentCapability |
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Joint Type Joint Type |
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![]() | Pin and Block |
Maximum Speed Maximum Speed |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Operating Angle Maximum Operating Angle |
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For Shaft Type For Shaft Type |
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![]() | Round |
About U-Joints (Universal Joints)
U-joints are used to connect two shafts that have a high amount of misalignment.
More
Machinable-Bore Double U-Joints


Customize the bore size of these joints to fit your shaft. Each end has a small centered starter hole that makes drilling easy. To connect, drill a hole through the joint and shaft and insert a spring pin (not included). All have grooves for holding protective boots (not included).
For technical drawings and 3-D models, click on a part number.
Torque | ||||||||||||
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For Max. Shaft Dia. | For Max. Shaft Dp. | Joint Dia. | Overall Lg. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Parallel Misalignment Capability | Joint Type | Each | |
Steel | ||||||||||||
3/8" | 5/8" | 1/2" | 4" | 25° | 1,750 | 375 | 150 in.-lbs. @ 300 rpm | 51 in.-lbs. @ 300 rpm | 0.845" | Pin and Block | 0000000 | 0000000 |
1/2" | 11/16" | 5/8" | 4 1/2" | 25° | 1,750 | 540 | 245 in.-lbs. @ 300 rpm | 83 in.-lbs. @ 300 rpm | 0.951" | Pin and Block | 0000000 | 000000 |
5/8" | 7/8" | 3/4" | 5 3/8" | 25° | 1,750 | 765 | 330 in.-lbs. @ 300 rpm | 110 in.-lbs. @ 300 rpm | 1.133" | Pin and Block | 0000000 | 000000 |
11/16" | 7/8" | 7/8" | 6" | 25° | 1,750 | 1,175 | 445 in.-lbs. @ 300 rpm | 150 in.-lbs. @ 300 rpm | 1.268" | Pin and Block | 0000000 | 000000 |
3/4" | 1" | 1" | 6 3/4" | 25° | 1,750 | 1,560 | 595 in.-lbs. @ 300 rpm | 200 in.-lbs. @ 300 rpm | 1.428" | Pin and Block | 0000000 | 000000 |
1" | 1 1/16" | 1 1/4" | 7 1/2" | 25° | 1,750 | 5,220 | 980 in.-lbs. @ 300 rpm | 330 in.-lbs. @ 300 rpm | 1.585" | Pin and Block | 0000000 | 000000 |
1 1/8" | 1 3/16" | 1 1/2" | 8 1/2" | 25° | 1,750 | 7,920 | 1,425 in.-lbs. @ 300 rpm | 480 in.-lbs. @ 300 rpm | 1.796" | Pin and Block | 0000000 | 000000 |