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About U-Joints (Universal Joints)
U-joints are used to connect two shafts that have a high amount of misalignment.
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Corrosion-Resistant Precision Single U-Joints
Stainless steel U-joints are more corrosion resistant than steel U-joints. They allow for zero backlash (no play) and are good for applications requiring consistent motion and precise control.
To connect set screw mount U-joint, tighten a set screw at each end. To connect spring-pin mount U-joints, drill a hole through the joint and shaft and insert a spring pin (not included).
For technical drawings and 3-D models, click on a part number.
For Shaft | Torque | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Joint Dia. | O'all Lg. | Max. Operating Angle | Max. Speed | Max. Torque, in.-lbs. | 5° Operating Angle | 10° Operating Angle | Joint Type | Shaft Mount Type | No. of Set Screws Required | For Set Screw Thread Size  | Each | |
303 Stainless Steel | ||||||||||||||
| 3/32" | 11/32" | 3/16" | 1" | 30° | Not Rated | 1 | 0.9 in.-lbs. @ 1,500 rpm | 0.8 in.-lbs. @ 1,500 rpm | Ball and Socket | Spring Pin | __ | __ | 00000000 | 000000 |
| 1/8" | 3/16" | 3/16" | 1" | 30° | Not Rated | 1 | 0.9 in.-lbs. @ 1,500 rpm | 0.8 in.-lbs. @ 1,500 rpm | Ball and Socket | Spring Pin | __ | __ | 00000000 | 00000 |
| 3/16" | 7/16" | 9/32" | 1 3/8" | 30° | Not Rated | 4 | 3.6 in.-lbs. @ 1,500 rpm | 3.2 in.-lbs. @ 1,500 rpm | Ball and Socket | Spring Pin | __ | __ | 00000000 | 00000 |
| 1/4" | 1/2" | 3/8" | 1 3/4" | 30° | Not Rated | 16 | 14.4 in.-lbs. @ 1,500 rpm | 12.8 in.-lbs. @ 1,500 rpm | Ball and Socket | Set Screw | 2 | 6-32 | 00000000 | 00000 |