For Shaft Diameter For Shaft Diameter | Show |
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For Shaft Diameter For Shaft Diameter | Hide |
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For Shaft Type For Shaft Type |
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For Motion Type For Motion Type |
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Construction Construction |
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 | Multipiece |
Set Screw Material Set Screw Material |
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Shaft Mount Type Shaft Mount Type |
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 | Set Screw |
Shaft Coupling Type Shaft Coupling Type |
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Number of Set Screws Included Number of SetScrews Included |
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Component Component |
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Set Screw Type Set Screw Type |
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 | Hex Socket |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Joint Type Joint Type |
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 | Pin and Block |
Torque Torque |
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Joint Diameter Joint Diameter |
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U-Joint Type U-Joint Type |
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 | Single |
Number of Set Screws Required Number of SetScrews Required |
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About Shaft Couplings
More
About U-Joints (Universal Joints)
U-joints are used to connect two shafts that have a high amount of misalignment.
More
Set Screw Flexible Shaft Couplings
Each hub includes a set screw (unless noted), which bites into your shaft to hold the coupling in place. Also known as Lovejoy® couplings, these three-piece couplings have a spider-shaped cushion between two hubs to reduce shock and handle minor shaft misalignment.
Buna-N spiders provide good vibration damping and chemical resistance. Hytrel spiders provide fair vibration damping and excellent chemical resistance. Polyurethane spiders and split spiders provide fair vibration damping and good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Buna-N Rubber Spiders | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron Hubs | Misalignment Capability | |||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 4 1/2" | 3 3/4" | Forward/Reverse, Start/Stop | 1 13/16" | 0000000 | 000000 | 5,000 | 1,240 | 0.015" | 1° | -40° to 212° | 0000000 | 000000 |
| 4 7/8" | 4 1/2" | Forward/Reverse, Start/Stop | 1 13/16" | 0000000 | 000000 | 5,000 | 1,725 | 0.015" | 1° | -40° to 212° | 0000000 | 00000 |
| 5 11/32" | 5" | Forward/Reverse, Start/Stop | 1 13/16" | 0000000 | 000000 | 4,200 | 2,340 | 0.015" | 1° | -40° to 212° | 0000000 | 00000 |
Hytrel Rubber Spiders | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron Hubs | Misalignment Capability | |||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 4 1/2" | 3 3/4" | Forward/Reverse, Start/Stop | 1 13/16" | 0000000 | 000000 | 3,600 | 3,705 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
| 4 7/8" | 4 1/2" | Forward/Reverse, Start/Stop | 1 13/16" | 0000000 | 000000 | 5,000 | 4,680 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
| 5 11/32" | 5" | Forward/Reverse, Start/Stop | 1 13/16" | 0000000 | 000000 | 4,200 | 6,225 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
Easy-Install Single U-Joints
No drilling required. Steel U-joints connect to shafts using the keyway and included set screws. They have grooves for holding protective boots (not included).
For technical drawings and 3-D models, click on a part number.
For Shaft | Keyway | Torque | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Joint Dia. | Overall Lg. | Wd. | Dp. | Max. Operating Angle | Max. Speed, rpm | Max. Torque, in.-lbs. | 3° Operating Angle | 10° Operating Angle | Joint Type | Each | |
Steel | |||||||||||||
| 1 13/16" | 2 3/4" | 3" | 9 1/16" | 1/2" | 1/4" | 25° | 1,750 | 65,400 | 5,750 in.-lbs. @ 300 rpm | 1,940 in.-lbs. @ 300 rpm | Pin and Block | 0000000 | 0000000 |