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Corrosion-Resistant Overload-Protection Spring-Loaded Torque Limiters
Prevent corrosion from interfering with these torque limiters’ ability to protect your machinery if there’s a jam, emergency stop, or other overload. Made of nylon, they won’t rust or corrode from moisture, salt, and oil. They cut off torque when they reach the set maximum torque and automatically resume transmitting torque once it drops below the set maximum. They should not be used in applications that frequently exceed the set torque. You can adjust the set torque by tightening the hex head screw on the housing.
To help you detect an overload, these torque limiters have a sensor ring that moves out of place when these limiters cut off torque. Use a sensor (not included) to trigger an alarm or a shutdown when the ring moves.
Fasten them to your shaft by tightening the set screws, which bite into the shaft to hold it.
Shaft-to-shaft torque limiters also act as a shaft coupling, allowing you to regulate torque transmission between two shafts.
Through-shaft torque limiters regulate torque transmission between an input shaft and a mounted component, such as a pulley, sprocket, or gear.
Spring kits let you change the torque range on your torque limiter.
For technical drawings and 3-D models, click on a part number.
Torque | Misalignment Capability | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Shaft Type | Min., in.-lbs. | Max., in.-lbs. | Max. Speed, rpm | Parallel | Angular | OD | Overall Lg. | Keyway Wd. × Keyway Dp. | No. of Springs | Material | Drive Direction | Re-Engagement Position | Features | Each | |
Shaft-to-Shaft | ||||||||||||||||
1/4" | Round | 4 | 60 | 1,800 | 0.01" | 1° | 2 1/2" | 2 1/2" | __ | 4 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 0000000 |
3/8" | Round | 4 | 60 | 1,800 | 0.01" | 1° | 2 1/2" | 2 1/2" | __ | 4 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
1/2" | Keyed | 4 | 60 | 1,800 | 0.01" | 1° | 2 1/2" | 2 1/2" | 1/8" × 1/16" | 4 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
1/2" | Keyed | 40 | 150 | 1,800 | 0.01" | 1° | 4 1/32" | 3 7/16" | 1/8" × 1/16" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
5/8" | Keyed | 40 | 150 | 1,800 | 0.01" | 1° | 4 1/32" | 3 7/16" | 3/16" × 3/32" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
3/4" | Keyed | 40 | 150 | 1,800 | 0.01" | 1° | 4 1/32" | 3 7/16" | 3/16" × 3/32" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
1" | Keyed | 40 | 150 | 1,800 | 0.01" | 1° | 4 1/32" | 3 7/16" | 1/4" × 1/8" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
Through Shaft | ||||||||||||||||
1/4" | Round | 4 | 60 | 1,800 | __ | __ | 2 1/2" | 2 1/2" | __ | 4 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
3/8" | Round | 4 | 60 | 1,800 | __ | __ | 2 1/2" | 2 1/2" | __ | 4 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
1/2" | Keyed | 4 | 60 | 1,800 | __ | __ | 2 1/2" | 2 1/2" | 1/8" × 1/16" | 4 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
1/2" | Keyed | 40 | 150 | 1,800 | __ | __ | 4 1/32" | 3 7/16" | 1/8" × 1/16" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
5/8" | Keyed | 40 | 150 | 1,800 | __ | __ | 4 1/32" | 3 7/16" | 3/16" × 3/32" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
3/4" | Keyed | 40 | 150 | 1,800 | __ | __ | 4 1/32" | 3 7/16" | 3/16" × 3/32" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
1" | Keyed | 40 | 150 | 1,800 | __ | __ | 4 1/32" | 3 7/16" | 1/4" × 1/8" | 6 | Nylon Plastic | Clockwise and Counterclockwise | Multiple Position | Sensor Ring | 00000000 | 000000 |
Rotary Speed Limiters
Install these rotary speed limiters at the hinges of small lids, doors, and access panels for smooth, quiet motion. They're often used in electronics applications.
Speed limiters with a 105°, 110°, or 130° rotation angle are commonly used for small movements, such as closing lids.
Speed limiters with a 360° rotation angle are often used to move small hoods, flaps, and fans. A cycle is one shaft rotation.
Dual direction speed limiters dampen motion in both directions. Common uses for them include controlling the motion of a switch-activated door and opening and closing a DVD player.
Clockwise and counterclockwise speed limiters dampen motion in the listed direction, moving freely in the opposite direction. Use them in processes that require returning a part to its original position.
Speed limiters with a geared shaft must be used with gears that have the same 20° pressure angle and module.
For technical drawings and 3-D models, click on a part number.
Overall | Shaft | Mount. Holes | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in.-oz. | Torque Tolerance, in.-oz. | Lg. | Wd. | Ht. | Dia. | Lg. | Wd. | Material | Temp. Range, ° F | Max. Cycles per Minute | Max. Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |
Style A | |||||||||||||||||
360° Dual Direction Rotation | |||||||||||||||||
4.32 | -1.11 to 1.12 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 000000 | 000000 |
360° Clockwise Rotation | |||||||||||||||||
2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
360° Counterclockwise Rotation | |||||||||||||||||
2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
Style B | |||||||||||||||||
360° Dual Direction Rotation | |||||||||||||||||
0.14 | -0.064 to 0.064 | 0.75" | 0.39" | 0.24" | 0.1" | 0.12" | 0.08" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.55" | No | 00000000 | 0000 |
0.29 | -0.088 to 0.088 | 0.95" | 0.59" | 0.26" | 0.14" | 0.15" | 0.1" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 0000000 | 0000 |
0.66 | -0.14 to 0.14 | 0.95" | 0.59" | 0.26" | 0.14" | 0.15" | 0.1" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 0000000 | 0000 |
1.41 | -0.28 to 0.28 | 0.95" | 0.59" | 0.26" | 0.14" | 0.15" | 0.1" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 0000000 | 0000 |
21 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 0000000 | 00000 |
360° Clockwise Rotation | |||||||||||||||||
7 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
14 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
21 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
360° Counterclockwise Rotation | |||||||||||||||||
7 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
14 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
21 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
Style C | |||||||||||||||||
360° Dual Direction Rotation | |||||||||||||||||
70.74 | -14.08 to 14.07 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
141.63 | -28.32 to 28.32 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
283.26 | -56.65 to 56.65 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 0000000 | 00000 |
424.89 | -113.3 to 113.3 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
360° Clockwise Rotation | |||||||||||||||||
70.74 | -14.08 to 14.07 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
141.63 | -28.32 to 28.32 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
283.26 | -56.65 to 56.65 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
360° Counterclockwise Rotation | |||||||||||||||||
70.74 | -14.08 to 14.07 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
283.26 | -56.65 to 56.65 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 00000000 | 00000 |
Overall | Shaft | Mount. Holes | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in.-oz. | Torque Tolerance Range, in.-oz. | Lg. | Wd. | Ht. | Dia. | Lg. | Module | Gear Pitch Dia., mm | Gear Material | Temp. Range, ° F | Max. Cycles per Minute | Max. Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |
Style A | ||||||||||||||||||
360° Dual Direction Rotation | ||||||||||||||||||
2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 000000 |
4.32 | -1.11 to 1.12 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 000000 | 00000 |
360° Clockwise Rotation | ||||||||||||||||||
2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
360° Counterclockwise Rotation | ||||||||||||||||||
2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 00000000 | 00000 |
Style B | ||||||||||||||||||
360° Dual Direction Rotation | ||||||||||||||||||
0.14 | -0.064 to 0.064 | 0.75" | 0.39" | 0.24" | 0.1" | 0.12" | 0.6 | 6 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.55" | No | 00000000 | 0000 |
0.29 | -0.088 to 0.088 | 0.95" | 0.59" | 0.26" | 0.31" | 0.15" | 0.5 | 7 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 0000000 | 0000 |
0.66 | -0.14 to 0.14 | 0.95" | 0.59" | 0.26" | 0.31" | 0.15" | 0.5 | 7 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 0000000 | 0000 |
1.41 | -0.28 to 0.28 | 0.95" | 0.59" | 0.26" | 0.31" | 0.15" | 0.5 | 7 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 0000000 | 0000 |
7 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
21 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
360° Clockwise Rotation | ||||||||||||||||||
7 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
14 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
21 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
360° Counterclockwise Rotation | ||||||||||||||||||
7 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
14 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
21 | __ | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32° to 122° | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 00000000 | 00000 |
Overall | Shaft | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in.-oz. | Torque Tolerance Range, in.-oz. | Dia. | Ht. | Dia. | Lg. | Wd. | Temp. Range, ° F | Max. Cycles per Minute | Max. Speed | Material | Fasteners Included | Each | |
110° Clockwise Rotation | |||||||||||||
85 | -56.6 to 56.6 | 0.79" | 1.78" | 0.47" | 0.79" | 0.31" | 23° to 122° | 5 | Not Rated | Thermoplastic | No | 00000000 | 000000 |
424.89 | __ | 0.79" | 1.78" | 0.47" | 0.79" | 0.31" | 23° to 122° | Not Rated | 50 rpm | Polycarbonate | No | 00000000 | 00000 |
110° Counterclockwise Rotation | |||||||||||||
85 | -56.6 to 56.6 | 0.79" | 1.78" | 0.47" | 0.79" | 0.31" | 23° to 122° | 5 | Not Rated | Thermoplastic | No | 00000000 | 00000 |
424.89 | __ | 0.79" | 1.86" | 0.47" | 0.79" | 0.31" | 23° to 122° | Not Rated | 50 rpm | Polycarbonate | No | 00000000 | 00000 |
D.O.T. Hard Plastic Tubing for Air
- Semi-Flexible
- Compatible with Compression and Push to Connect Tube Fittings
- Hard (Durometer 65D)
- Temperature Range: -40° to 200° F
Also known as air brake tubing, this nylon tubing meets D.O.T. FMVSS 106 specifications for testing and performance requirements in motor vehicle brake systems. Tubing is opaque, so you cannot see what is flowing through the line. It is semi-flexible, so it is good for gradual bends.
For technical drawings and 3-D models, click on a part number.
ID | OD | Wall Thick. | Bend Radius | Max. Pressure | Specifications Met | Choose a Color | Lengths, ft. | Per Ft. | |
Opaque Nylon Plastic | |||||||||
---|---|---|---|---|---|---|---|---|---|
Without Yarn Reinforcement | |||||||||
5/64" | 1/8" | 1/32" | 1/4" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type A | Blue | 00000000 | 00000 | |
3/32" | 5/32" | 1/32" | 1/2" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type A | Black | 00000000 | 0000 | |
11/64" | 1/4" | 3/64" | 1" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type A | 0000000 | 0000 | ||
With Yarn Reinforcement | |||||||||
7/64" | 3/16" | 1/32" | 3/4" | 150 psi @ 72° F | D.O.T. FMVSS 106 | Black | 0000000 | 0000 | |
15/64" | 5/16" | 3/64" | 1 1/4" | 150 psi @ 72° F | D.O.T. FMVSS 106 | Black | 0000000 | 0000 | |
1/4" | 3/8" | 1/16" | 1 1/2" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type B | 0000000 | 0000 | ||
3/8" | 1/2" | 1/16" | 2" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type B | 0000000 | 0000 | ||
7/16" | 5/8" | 3/32" | 2 1/2" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type B | 0000000 | 0000 | ||
9/16" | 3/4" | 3/32" | 3" | 150 psi @ 72° F | D.O.T. FMVSS 106, SAE J844 Type B | 0000000 | 0000 |