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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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High-Torque Easy-Install Single U-Joints
U-Joint
Replacement Bearing Assembly
These U-joints handle at least 11,000 in.-lbs. of torque. Connect to shafts using the keyway and included set screws—no drilling required. All have needle bearings for operating at higher speeds than other types of bearings.
For technical drawings and 3-D models, click on a part number.
For Shaft | O'all | Keyway | Torque | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Joint Dia. | Ht. | Lg. | Wd. | Dp. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Includes | Each | |
Iron with Steel Bearings | ||||||||||||||
| 3/4" | 1 13/64" | 1 5/8" | 2 1/2" | 5" | 3/16" | 3/32" | 45° | 1,000 | 11,600 | 1,260 in.-lbs. @ 1,000 rpm | 720 in.-lbs. @ 1,000 rpm | Grease Fitting | 000000 | 000000 |
| 7/8" | 1 13/64" | 1 5/8" | 2 1/2" | 5" | 3/16" 1/4" | 3/32" 1/8" | 45° | 1,000 | 11,600 | 1,260 in.-lbs. @ 1,000 rpm | 720 in.-lbs. @ 1,000 rpm | Grease Fitting | 000000 | 000000 |
| 1" | 1 13/64" | 1 5/8" | 2 1/2" | 5" | 3/16" 1/4" | 3/32" 1/8" | 45° | 1,000 | 11,600 | 1,260 in.-lbs. @ 1,000 rpm | 720 in.-lbs. @ 1,000 rpm | Grease Fitting | 000000 | 00000 |
| 1 1/8" | 1 5/32" | 2 1/4" | 2 1/2" | 5" | 1/4" 5/16" | 1/8" 5/32" | 45° | 1,000 | 11,600 | 1,260 in.-lbs. @ 1,000 rpm | 720 in.-lbs. @ 1,000 rpm | Grease Fitting | 000000 | 000000 |
| 1 1/4" | 1 5/32" | 2 1/4" | 2 1/2" | 5" | 1/4" 5/16" | 1/8" 5/32" | 45° | 1,000 | 11,600 | 1,260 in.-lbs. @ 1,000 rpm | 720 in.-lbs. @ 1,000 rpm | Grease Fitting | 000000 | 000000 |
Steel with Steel Bearings | ||||||||||||||
| 3/4" | 1 29/64" | 2" | 2 9/16" | 5 1/2" | 3/16" | 3/32" | 45° | 1,000 | 22,700 | 2,220 in.-lbs. @ 1,000 rpm | 1,260 in.-lbs. @ 1,000 rpm | Grease Fitting | 0000000 | 000000 |
| 7/8" | 1 29/64" | 2" | 2 9/16" | 5 1/2" | 1/4" | 1/8" | 45° | 1,000 | 22,700 | 2,220 in.-lbs. @ 1,000 rpm | 1,260 in.-lbs. @ 1,000 rpm | Grease Fitting | 0000000 | 000000 |
| 1" | 2" | 2 1/16" | 3 1/2" | 7" | 3/16" 1/4" | 3/32" 1/8" | 45° | 1,000 | 22,700 | 2,220 in.-lbs. @ 1,000 rpm | 1,260 in.-lbs. @ 1,000 rpm | Grease Fitting | 0000000 | 000000 |
| 1 1/4" | 1 3/16" | 2 1/4" | 2 9/16" | 5 1/2" | 1/4" | 1/8" | 45° | 1,000 | 22,700 | 2,220 in.-lbs. @ 1,000 rpm | 1,260 in.-lbs. @ 1,000 rpm | Grease Fitting | 0000000 | 000000 |
| 1 1/2" | 1 3/16" | 2 1/4" | 2 9/16" | 5 1/2" | 3/8" | 3/16" | 45° | 1,000 | 22,700 | 2,220 in.-lbs. @ 1,000 rpm | 1,260 in.-lbs. @ 1,000 rpm | Grease Fitting | 0000000 | 000000 |
Sealed Easy-Install Single U-Joints
A boot seal keeps lubricant in and contaminants out. Connect these joints to shafts using the keyway and included set screws—no drilling required. All have needle bearings for operating at higher speeds than other types of bearings.
For technical drawings and 3-D models, click on a part number.
For Shaft | Keyway | Torque | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Joint Dia. | Overall Lg. | OD | Wd. | Dp. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Bellows Material | Each | |
Steel | ||||||||||||||
| 3/8" | 15/16" | 3/4" | 2 11/16" | 1 3/8" | 3/32" | 3/64" | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | Buna-N Rubber | 0000000 | 0000000 |
| 1/2" | 1 3/16" | 1" | 3 3/8" | 1 1/2" | 1/8" | 1/16" | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | Buna-N Rubber | 0000000 | 000000 |
| 5/8" | 1 1/4" | 1 1/4" | 3 3/4" | 1 7/8" | 3/16" | 3/32" | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | Buna-N Rubber | 0000000 | 000000 |
| 3/4" | 1 3/8" | 1 1/2" | 4 1/4" | 2 1/4" | 3/16" | 3/32" | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | Buna-N Rubber | 0000000 | 000000 |
| 1" | 1 11/16" | 2" | 5 1/2" | 2 11/16" | 1/4" | 1/8" | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | Buna-N Rubber | 0000000 | 000000 |
Corrosion-Resistant Sealed Easy-Install Single U-Joints
Stainless steel hubs allow these U-joints to handle harsh environments. A boot seal keeps lubricant in and contaminants out. Connect to shafts using the keyway and included set screws—no drilling required. All have needle bearings for operating at higher speeds than other types of bearings.
For technical drawings and 3-D models, click on a part number.
For Shaft | Keyway | Torque | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Joint Dia. | Overall Lg. | OD | Wd. | Dp. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Bellows Material | Each | |
303 Stainless Steel with Steel Bearings | ||||||||||||||
| 3/8" | 15/16" | 3/4" | 2 11/16" | 1 3/8" | 3/32" | 3/64" | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 0000000 |
| 1/2" | 1 3/16" | 1" | 3 3/8" | 1 1/2" | 1/8" | 1/16" | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 5/8" | 1 1/4" | 1 1/4" | 3 3/4" | 1 7/8" | 3/16" | 3/32" | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 3/4" | 1 3/8" | 1 1/2" | 4 1/4" | 2 1/4" | 3/16" | 3/32" | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 1" | 1 11/16" | 2" | 5 1/2" | 2 11/16" | 1/4" | 1/8" | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 10mm | 24mm | 19mm | 68mm | 35mm | 3mm | 11mm | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 12mm | 30mm | 25mm | 86mm | 38mm | 4mm | 14mm | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 16mm | 32mm | 32mm | 95mm | 48mm | 5mm | 18mm | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 20mm | 36mm | 38mm | 108mm | 57mm | 6mm | 23mm | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
| 25mm | 43mm | 51mm | 140mm | 68mm | 8mm | 28mm | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | Silicone Rubber | 0000000 | 000000 |
Corrosion-Resistant High-Speed Single U-Joints
Made of stainless steel, these U-joints offer excellent corrosion resistance. Needle bearings enable them to operate at higher speeds than other types of U-joints. To connect, 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. | Overall Lg. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Each | |
303 Stainless Steel with Steel Bearings | ||||||||||
| 3/8" | 15/16" | 3/4" | 2 11/16" | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | 0000000 | 0000000 |
| 1/2" | 1 3/16" | 1" | 3 3/8" | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 5/8" | 1 1/4" | 1 1/4" | 3 3/4" | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 3/4" | 1 3/8" | 1 1/2" | 4 1/4" | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 1" | 1 11/16" | 2" | 5 1/2" | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 10mm | 24mm | 19mm | 68mm | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 12mm | 30mm | 25mm | 86mm | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 16mm | 32mm | 32mm | 95mm | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 20mm | 36mm | 38mm | 108mm | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 25mm | 43mm | 51mm | 140mm | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
High-Speed Single U-Joints
Needle bearings enable these shafts to operate at higher speeds than other types of U-joints. To connect, 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. | Overall Lg. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Each | |
Steel | ||||||||||
| 3/8" | 15/16" | 3/4" | 2 11/16" | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | 0000000 | 0000000 |
| 1/2" | 1 3/16" | 1" | 3 3/8" | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 5/8" | 1 1/4" | 1 1/4" | 3 3/4" | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 3/4" | 1 3/8" | 1 1/2" | 4 1/4" | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 1" | 1 11/16" | 2" | 5 1/2" | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 10mm | 24mm | 19mm | 68mm | 35° | 6,000 | 95 | 28 in.-lbs. @ 1,000 rpm | 19 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 12mm | 30mm | 25mm | 86mm | 35° | 6,000 | 215 | 110 in.-lbs. @ 1,000 rpm | 77 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 16mm | 32mm | 32mm | 95mm | 35° | 6,000 | 700 | 275 in.-lbs. @ 1,000 rpm | 185 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 20mm | 36mm | 38mm | 108mm | 35° | 6,000 | 1,780 | 545 in.-lbs. @ 1,000 rpm | 370 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |
| 25mm | 43mm | 51mm | 140mm | 35° | 6,000 | 4,300 | 1,050 in.-lbs. @ 1,000 rpm | 705 in.-lbs. @ 1,000 rpm | 0000000 | 000000 |