Maximum Torque Maximum Torque |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Torque-Limiting Shaft Couplings
Adjust your system's torque limit by hand. In the event of excess torque, these couplings slip to protect motors and drivetrains, and then resume driving once the load has been reduced. You can adjust the torque level without removing them from your shaft.
For technical drawings and 3-D models, click on a part number.
Keyway | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Max. Torque | Max. Speed, rpm | OD | Overall Lg. | Wd. | Dp. | Torque-Limiting Direction | Each | |
For Round Shafts | |||||||||
| 1/4" | 16 in.-lbs. @ 50 rpm | 50 | 1" | 1 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 0000000 |
| 3/8" | 16 in.-lbs. @ 50 rpm | 50 | 1" | 1 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
| 3/8" | 25 in.-lbs. @ 50 rpm | 50 | 1 3/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
| 1/2" | 25 in.-lbs. @ 50 rpm | 50 | 1 3/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
| 1/2" | 50 in.-lbs. @ 50 rpm | 50 | 1 5/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
| 1/2" | 75 in.-lbs. @ 50 rpm | 50 | 2 1/4" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
| 5/8" | 50 in.-lbs. @ 50 rpm | 50 | 1 5/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
| 5/8" | 75 in.-lbs. @ 50 rpm | 50 | 2 1/4" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 0000000 | 000000 |
For Keyed Shafts | |||||||||
| 1/4" | 16 in.-lbs. @ 50 rpm | 50 | 1" | 1 1/2" | 1/16" | 1/32" | Clockwise and Counterclockwise | 0000000 | 000000 |
| 3/8" | 25 in.-lbs. @ 50 rpm | 50 | 1 3/8" | 2 1/2" | 3/32" | 3/64" | Clockwise and Counterclockwise | 0000000 | 000000 |
| 1/2" | 50 in.-lbs. @ 50 rpm | 50 | 1 5/8" | 2 1/2" | 1/8" | 1/16" | Clockwise and Counterclockwise | 0000000 | 000000 |
| 1/2" | 75 in.-lbs. @ 50 rpm | 50 | 2 1/4" | 2 1/2" | 1/8" | 1/16" | Clockwise and Counterclockwise | 0000000 | 000000 |
Air-Powered Torque-Limiting Shaft Couplings
Often used in automated systems, these couplings are air actuated so you can adjust the torque during operation. In the event of excess torque, they slip to protect motors and drivetrains, and then resume driving once the load has been reduced. You can adjust the torque level without removing them from your shaft.
For technical drawings and 3-D models, click on a part number.
Keyway | Air Inlet | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Max. Torque | Max. Pressure, psi | Max. Speed | OD | Overall Lg. | Wd. | Dp. | Torque-Limiting Direction | Thread Size | Thread Type | Gender | Each | |
For Round Shafts | |||||||||||||
| 1/4" | 20 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/4" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 0000000 |
| 3/8" | 50 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/2" | 3 3/8" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
| 1/2" | 100 in.-lbs. @ 100 psi | 100 | Not Rated | 2" | 3 5/8" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
| 5/8" | 300 in.-lbs. @ 100 psi | 100 | Not Rated | 2 3/4" | 3 5/8" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
For Keyed Shafts | |||||||||||||
| 1/4" | 20 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/4" | 2 1/2" | 1/16" | 1/32" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
| 3/8" | 50 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/2" | 3 3/8" | 3/32" | 3/64" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
| 1/2" | 100 in.-lbs. @ 100 psi | 100 | Not Rated | 2" | 3 5/8" | 1/8" | 1/16" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
| 5/8" | 300 in.-lbs. @ 100 psi | 100 | Not Rated | 2 3/4" | 3 5/8" | 3/16" | 3/32" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 0000000 | 000000 |
Torque-Limiting Shaft-to-Gear Couplings
Adjust your system's torque limit by hand. In the event of excess torque, these couplings slip to protect motors and drivetrains, and then resume driving once the load has been reduced. You can adjust the torque level without removing them from your shaft.
For technical drawings and 3-D models, click on a part number.
Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Max. Torque | Max. Speed, rpm | OD | Overall Lg. | Wd. | Dp. | Torque-Limiting Direction | Mounting Hole Thread Size | Each | |
For Round Shafts | ||||||||||
| 1/4" | 16 in.-lbs. @ 50 rpm | 50 | 1" | 1 1/2" | __ | __ | Clockwise and Counterclockwise | 4-40 | 0000000 | 0000000 |
| 3/8" | 16 in.-lbs. @ 50 rpm | 50 | 1" | 1 1/2" | __ | __ | Clockwise and Counterclockwise | 4-40 | 0000000 | 000000 |
| 3/8" | 25 in.-lbs. @ 50 rpm | 50 | 1 3/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 6-32 | 0000000 | 000000 |
| 1/2" | 25 in.-lbs. @ 50 rpm | 50 | 1 3/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 6-32 | 0000000 | 000000 |
| 1/2" | 50 in.-lbs. @ 50 rpm | 50 | 1 5/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 6-32 | 0000000 | 000000 |
| 1/2" | 75 in.-lbs. @ 50 rpm | 50 | 2 1/4" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 8-32 | 0000000 | 000000 |
| 5/8" | 50 in.-lbs. @ 50 rpm | 50 | 1 5/8" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 6-32 | 0000000 | 000000 |
| 5/8" | 75 in.-lbs. @ 50 rpm | 50 | 2 1/4" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 8-32 | 0000000 | 000000 |
For Keyed Shafts | ||||||||||
| 1/4" | 16 in.-lbs. @ 50 rpm | 50 | 1" | 1 1/2" | 1/16" | 1/32" | Clockwise and Counterclockwise | 4-40 | 0000000 | 000000 |
| 3/8" | 25 in.-lbs. @ 50 rpm | 50 | 1 3/8" | 2 1/2" | 3/32" | 3/64" | Clockwise and Counterclockwise | 6-32 | 0000000 | 000000 |
| 1/2" | 50 in.-lbs. @ 50 rpm | 50 | 1 5/8" | 2 1/2" | 1/8" | 1/16" | Clockwise and Counterclockwise | 6-32 | 0000000 | 000000 |
| 1/2" | 75 in.-lbs. @ 50 rpm | 50 | 2 1/4" | 2 1/2" | 1/8" | 1/16" | Clockwise and Counterclockwise | 8-32 | 0000000 | 000000 |
Air-Powered Torque-Limiting Shaft-to-Gear Couplings
Often used in automated systems, these couplings are both air actuated and remotely adjustable, so you can adjust the torque setting even during operation. In the event of excess torque, they slip to protect motors and drivetrains, and then resume driving once the load has been reduced.
For technical drawings and 3-D models, click on a part number.
Keyway | Air Inlet | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Max. Torque | Max. Pressure, psi | Max. Speed | OD | Overall Lg. | Wd. | Dp. | Torque-Limiting Direction | Thread Size | Thread Type | Gender | Mounting Hole Thread Size | Each | |
For Round Shafts | ||||||||||||||
| 1/4" | 20 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/4" | 2 1/2" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 4-40 | 0000000 | 0000000 |
| 3/8" | 50 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/2" | 3 3/8" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 6-32 | 0000000 | 000000 |
| 1/2" | 100 in.-lbs. @ 100 psi | 100 | Not Rated | 2" | 3 5/8" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 6-32 | 0000000 | 000000 |
| 5/8" | 300 in.-lbs. @ 100 psi | 100 | Not Rated | 2 3/4" | 3 5/8" | __ | __ | Clockwise and Counterclockwise | 10-32 | UNF | Female | 8-32 | 0000000 | 000000 |
For Keyed Shafts | ||||||||||||||
| 1/4" | 20 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/4" | 2 1/2" | 1/16" | 1/32" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 4-40 | 0000000 | 000000 |
| 3/8" | 50 in.-lbs. @ 100 psi | 100 | Not Rated | 1 1/2" | 3 3/8" | 3/32" | 3/64" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 6-32 | 0000000 | 000000 |
| 1/2" | 100 in.-lbs. @ 100 psi | 100 | Not Rated | 2" | 3 5/8" | 1/8" | 1/16" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 6-32 | 0000000 | 000000 |
| 5/8" | 300 in.-lbs. @ 100 psi | 100 | Not Rated | 2 3/4" | 3 5/8" | 3/16" | 3/32" | Clockwise and Counterclockwise | 10-32 | UNF | Female | 8-32 | 0000000 | 000000 |