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Linear Speed Limiters
Put an end to lids and doors that slam shut or fly open—install these speed limiters for smooth, controlled motion. For speed limiters with adjustable resistance, pull the rod until it's fully extended, then twist it to change the resistance.
A cycle is one rod stroke from extended to compressed and back to extended. Free travel of stroke is the percentage of the stroke that speed limiters move with no resistance, before speed control engages.
Compression speed limiters prevent closing doors from slamming.
Extension speed limiters prevent doors from flying open.
Compression and extension speed limiters prevent doors from slamming and flying open.
For technical drawings and 3-D models, click on a part number.
Rod | Ball Stud | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbs. | Free Travel of Stroke | Max. Cycles per Minute | Rod Material | Body Material | Body Dia. | Dia. | Thread Size  | Thread Pitch, mm | Dia., mm | Lg. | Thread Lg. | Thread Size | Thread Pitch, mm | Each | |
Compression | ||||||||||||||||||
Variable Adjustment | ||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 0000000 |
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 8.3" | 6.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3" | 9.2" | 6.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3.9" | 12.6" | 8.7" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 20.5" | 12.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
Fixed | ||||||||||||||||||
| 2" | 7.9" | 5.9" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 3" | 10" | 7" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 4" | 12.5" | 8.5" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 5" | 15" | 10" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 6" | 17" | 11" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
Extension | ||||||||||||||||||
Variable Adjustment | ||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 8.3" | 6.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3" | 9.2" | 6.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 20.5" | 12.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
Fixed | ||||||||||||||||||
| 2" | 7.9" | 5.9" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 3" | 10" | 7" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 4" | 12.5" | 8.5" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 5" | 15" | 10" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 6" | 17" | 11" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
Compression and Extension | ||||||||||||||||||
Variable Adjustment | ||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 8 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 8 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 8.2" | 6.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3" | 9.3" | 6.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 8 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3.9" | 12.6" | 8.7" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 20.4" | 12.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 19.5 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 19.5 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 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.
Speed limiters with adjustable torque have a knob on the back to control damping torque. Use them in applications that require fine tuning.
For technical drawings and 3-D models, click on a part number.
Gearless Shaft
Gearless (A)
Gearless (B)
Gearless (C)
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 |
Geared Shaft
Geared (A)
Geared (B)
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 |
Small-Diameter Shaft
Small Diameter
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 |
Adjustable-Torque Shaft
Adjustable Torque
Overall | Shaft | Mount. Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Torque, in.-oz. | Lg. | Wd. | Ht. | Dia. | Lg. | Wd. | Material | Temp. Range, ° F | Max. Cycles per Minute | Max. Speed, rpm | Adjustment Style | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |
105° Dual Direction Rotation | |||||||||||||||||
| 1,416.43 | 2.6" | 1.77" | 2.56" | 0.31" | 0.71" | 0.24" | Steel | 23° to 122° | Not Rated | 50 | Knob | Zinc | 0.2" | 2.2" | No | 00000000 | 000000 |
105° Clockwise Rotation | |||||||||||||||||
| 1,416.43 | 2.6" | 1.77" | 2.56" | 0.31" | 0.71" | 0.24" | Steel | 23° to 122° | Not Rated | 50 | Knob | Zinc | 0.2" | 2.2" | No | 00000000 | 00000 |
105° Counterclockwise Rotation | |||||||||||||||||
| 1,416.43 | 2.6" | 1.77" | 2.56" | 0.31" | 0.71" | 0.24" | Steel | 23° to 122° | Not Rated | 50 | Knob | Zinc | 0.2" | 2.2" | No | 00000000 | 00000 |
Press Fit for Square Shaft
Press Fit for Square Shaft
Overall | For Shaft | Mount. Holes | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Torque, in.-oz. | Torque Tolerance, in.-oz. | Lg. | Wd. | Ht. | Lg. | Wd. | Insert Material | Temp. Range, ° F | Max. Cycles per Minute | Max. Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |
360° Dual Direction Rotation | ||||||||||||||||
| 283.26 | -42.56 to 42.57 | 2.56" | 1.85" | 0.39" | 0.31" | 0.31" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.18" | 2.2" | No | 0000000 | 000000 |
| 665.75 | -70.89 to 70.89 | 3.11" | 2.24" | 0.44" | 0.39" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.22" | 2.68" | No | 0000000 | 00000 |
| 949.01 | -99.22 to 99.22 | 3.5" | 2.48" | 0.44" | 0.49" | 0.49" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.26" | 2.99" | No | 0000000 | 00000 |
| 1,232.27 | -113.3 to 113.3 | 3.74" | 2.76" | 0.44" | 0.49" | 0.49" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.26" | 3.23" | No | 0000000 | 00000 |
130° Clockwise Rotation | ||||||||||||||||
| 1,416.43 | -354.15 to 354.16 | 3.27" | 2.36" | 0.81" | 0.47" | 0.47" | Nylon | 23° to 122° | Not Rated | 50 | Zinc | 0.22" | 2.76" | No | 00000000 | 00000 |
Press Fit for Round Shaft
Press Fit for Round Shaft
Overall | Mount. Holes | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Torque, in.-oz. | Torque Tolerance, in.-oz. | Lg. | Wd. | Ht. | For Shaft Dia. | Insert Material | Temp. Range, ° F | Max. Cycles per Minute | Max. Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |
360° Clockwise Rotation | |||||||||||||||
| 779.05 | -42.56 to 42.57 | 3.11" | 2.24" | 0.44" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.22" | 2.68" | No | 00000000 | 000000 |
| 1,203.94 | -113.3 to 113.3 | 3.5" | 2.48" | 0.44" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.26" | 2.99" | No | 00000000 | 00000 |
| 1,558.1 | -141.62 to 141.63 | 3.74" | 2.76" | 0.44" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.26" | 3.23" | No | 00000000 | 00000 |
360° Counterclockwise Rotation | |||||||||||||||
| 779.05 | -42.56 to 42.57 | 3.11" | 2.24" | 0.44" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.22" | 2.68" | No | 00000000 | 00000 |
| 1,203.94 | -113.3 to 113.3 | 3.5" | 2.48" | 0.44" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.26" | 2.99" | No | 00000000 | 00000 |
| 1,558.1 | -141.62 to 141.63 | 3.74" | 2.76" | 0.44" | 0.39" | Nylon | 14° to 122° | Not Rated | 50 | Steel | 0.26" | 3.23" | No | 00000000 | 00000 |
Corrosion-Resistant Linear Speed Limiters
Smoothly open and close doors, lids, and access panels in damp and corrosive environments with these 316 stainless steel speed limiters.
A cycle is one rod stroke from extended to compressed and back to extended. Free travel of stroke is the percentage of the stroke that speed limiters move with no resistance, before speed control engages.
Compression speed limiters prevent closing doors from slamming.
Extension speed limiters prevent doors from flying open.
Compression and extension speed limiters prevent doors from slamming and flying open.
For technical drawings and 3-D models, click on a part number.
Rod | Ball Stud | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbs. | Free Travel of Stroke | Max. Cycles per Minute | Body Dia. | Material | Dia. | Thread Size | Thread Pitch, mm | Dia. | Lg. | Thread Lg. | Thread Size | Temp. Range, °F | Each | |
Compression | |||||||||||||||||
Fixed | |||||||||||||||||
| 2" | 7.9" | 5.9" | 150 | 35% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 000000 |
| 3" | 10" | 7" | 150 | 31% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.5" | 8.5" | 150 | 28% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 250 | 31% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
Extension | |||||||||||||||||
Fixed | |||||||||||||||||
| 3" | 10" | 7" | 150 | 31% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.5" | 8.5" | 150 | 28% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 15" | 10" | 150 | 27% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
Compression and Extension | |||||||||||||||||
Fixed | |||||||||||||||||
| 2" | 7.9" | 5.9" | 150 | 35% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 3" | 10" | 7" | 150 | 31% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 250 | 31% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 15" | 10" | 150 | 27% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 6" | 17" | 11" | 250 | 30% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
Precise-Control Linear Speed Limiters
Regulate the speed or feed rate of drill presses, milling machines, lathes, and similar devices. These speed limiters have a knob with numbered scale so you can make precise adjustments to the resistance. Insert a rod in the mounting hole in the knob to rotate for adjustments.
A cycle is one rod stroke from extended to compressed and back to the original extended position. Free travel of stroke is 0%, so the entire stroke is speed controlled.
For technical drawings and 3-D models, click on a part number.
Speed Limiters
Rod | Body | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbs. | Max. Cycles per Minute | Material | Dia. | Seal Material | Material | Dia. | Adjustment Hole Dia. | Temp. Range, ° F | Each | |
Compression | |||||||||||||
Variable Adjustment | |||||||||||||
| 0.5" | 6.33" | 5.83" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 0000000 |
| 1" | 7.83" | 6.83" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 000000 |
| 2" | 10.87" | 8.87" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 000000 |
| 3" | 13.87" | 10.87" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 000000 |
Mounting Blocks
| Wd. | Ht. | Dp. | Material | Mount. Hole Dia. | Ctr.-to-Ctr. Mount. Hole Ht. | Each | |
| 1 1/4" | 2 1/4" | 1 1/4" | Aluminum | 0.39" | 1.44" | 0000000 | 000000 |