For Shaft Diameter For Shaft Diameter |
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Joint Type Joint Type |
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 | Pin and Block |
U-Joint Type U-Joint Type |
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 | Single |
For Shaft Type For Shaft Type |
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 | Round |
Shaft Mount Type Shaft Mount Type |
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 | Spring Pin |
Overall Length Overall Length |
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For Shaft Misalignment Type For Shaft Misalignment Type |
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 | Angular |
Maximum Torque Maximum Torque |
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Torque Torque |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About U-Joints (Universal Joints)
U-joints are used to connect two shafts that have a high amount of misalignment.
More
Single U-Joints
To connect, drill a hole through the joint and shaft and insert a spring pin (not included).
Steel U-joints are stronger than zinc U-joints. They have grooves for holding protective boots (not included). Zinc U-joints are for hand-powered, low-speed applications.
For technical drawings and 3-D models, click on a part number.
For Shaft | Torque | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Joint Dia. | Overall Lg. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Joint Type | Each | |
Steel | |||||||||||
| 1/4" | 5/8" | 1/2" | 2" | 25° | 1,750 | 375 | 150 in.-lbs. @ 300 rpm | 51 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 0000000 |
| 5/16" | 11/16" | 5/8" | 2 1/4" | 25° | 1,750 | 540 | 245 in.-lbs. @ 300 rpm | 83 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 3/8" | 7/8" | 3/4" | 2 11/16" | 25° | 1,750 | 765 | 330 in.-lbs. @ 300 rpm | 110 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 7/16" | 7/8" | 7/8" | 3" | 25° | 1,750 | 1,175 | 445 in.-lbs. @ 300 rpm | 150 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 1/2" | 1" | 1" | 3 3/8" | 25° | 1,750 | 1,560 | 595 in.-lbs. @ 300 rpm | 200 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 9/16" | 1" | 1 1/8" | 3 1/2" | 25° | 1,750 | 2,880 | 785 in.-lbs. @ 300 rpm | 260 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 5/8" | 1 1/16" | 1 1/4" | 3 3/4" | 25° | 1,750 | 5,220 | 980 in.-lbs. @ 300 rpm | 330 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 3/4" | 1 3/16" | 1 1/2" | 4 1/4" | 25° | 1,750 | 7,920 | 1,425 in.-lbs. @ 300 rpm | 480 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 7/8" | 1 3/8" | 1 3/4" | 5" | 25° | 1,750 | 10,680 | 2,005 in.-lbs. @ 300 rpm | 675 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 1" | 1 1/2" | 2" | 5 7/16" | 25° | 1,750 | 15,600 | 2,635 in.-lbs. @ 300 rpm | 885 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 1 1/4" | 2" | 2 1/2" | 7" | 25° | 1,750 | 33,120 | 3,950 in.-lbs. @ 300 rpm | 1,330 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 000000 |
| 1 1/2" | 2 3/4" | 3" | 9 1/16" | 25° | 1,750 | 65,400 | 5,750 in.-lbs. @ 300 rpm | 1,940 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 00000000 |
| 10mm | 7/8" | 7/8" | 3" | 25° | 1,750 | 1,175 | 445 in.-lbs. @ 300 rpm | 150 in.-lbs. @ 300 rpm | Pin and Block | 00000000 | 000000 |
| 12mm | 7/8" | 3/4" | 2 11/16" | 25° | 1,750 | 765 | 330 in.-lbs. @ 300 rpm | 110 in.-lbs. @ 300 rpm | Pin and Block | 00000000 | 000000 |
| 14mm | 1" | 1" | 3 3/8" | 25° | 1,750 | 1,560 | 595 in.-lbs. @ 300 rpm | 200 in.-lbs. @ 300 rpm | Pin and Block | 00000000 | 000000 |
| 16mm × 20mm | 1 1/16" | 1 1/4" | 3 3/4" | 25° | 1,750 | 5,220 | 980 in.-lbs. @ 300 rpm | 330 in.-lbs. @ 300 rpm | Pin and Block | 00000000 | 000000 |
| 20mm | 1 1/16" | 1 1/4" | 3 3/4" | 25° | 1,750 | 5,220 | 980 in.-lbs. @ 300 rpm | 330 in.-lbs. @ 300 rpm | Pin and Block | 00000000 | 000000 |
Zinc | |||||||||||
| 1/4" | 9/16" | 9/16" | 2" | 15° | Not Rated | 150 | Not Rated | Not Rated | Pin and Block | 000000 | 00000 |
| 5/16" | 9/16" | 9/16" | 2" | 15° | Not Rated | 125 | Not Rated | Not Rated | Pin and Block | 000000 | 00000 |
| 3/8" | 7/8" | 13/16" | 2 7/8" | 15° | Not Rated | 75 | Not Rated | Not Rated | Pin and Block | 000000 | 00000 |
| 1/2" | 7/8" | 13/16" | 2 7/8" | 15° | Not Rated | 75 | Not Rated | Not Rated | Pin and Block | 000000 | 00000 |
| 5/8" | 15/16" | 1 1/8" | 3 1/4" | 15° | Not Rated | 500 | Not Rated | Not Rated | Pin and Block | 000000 | 00000 |
| 3/4" | 15/16" | 1 1/8" | 3 1/4" | 15° | Not Rated | 500 | Not Rated | Not Rated | Pin and Block | 000000 | 00000 |