Clutches & Brakes
Electromagnetic, mechanical, one-way and torque limiters.
Also searched as: one way clutchtorque limiterelectromagnetic brakeslip clutchoverrunning
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Torque Limiter, 1 3/8" Round Bore Male / 1 3/8" Round Bore Female
Bore Size Female: 1 3/8"Bore Size Male: 1 3/8"Bore Type: Round
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Torque Limiter, 1 in Bore Dia, 50 lb-ft to
Bore Diameter: 1 inTorque Range: 50 lb-ft
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Torque Limiter, 1-1/2 in Finished Bore, 5 in OD
Bore: 1-1/2 in FinishedOutside Diameter: 5 in
from $616.49Zoro $616.49 -
Torque Limiter, 1-1/2in Bore Dia., 250 lb-ft Max. Torque Rating
Bore Diameter: 1-1/2 inMax. Torque Rating One Spring: 250 lb-ftMin. Torque Rating One Spring: 90 lb-ftOverall Width: 2.875 in
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Torque Limiter, 1-1/4in Bore Dia.
Bore Diameter: 1-1/4in
from $170.99Zoro $170.99 -
Torque Limiter, 1-1/4in Bore Dia., 190 lb-ft Max. Torque Rating
Bore Diameter: 1.25 inLimiter Width: 2.187 inMax. Torque Rating Two Springs: 190 lb-ftMin. Torque Rating One Spring: 50 lb-ftOverall Width: 2.187 in
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Torque Limiter, 1.25 in Bore Dia, 50 lb-ft
Bore Diameter: 1.25 inTorque Range: 50 lb-ft
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Torque Limiter, 1.25 in Bore Dia, 90 lb-ft
Bore Diameter: 1.25 inTorque Range: 90 lb-ft
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Torque Limiter, 1.5 in Bore Dia, 90 lb-ft to
Bore Diameter: 1.5 inTorque Range: 90 lb-ft
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Torque Limiter, 1in Bore Dia.
Bore Diameter: 1 inMaximum Torque Rating One Spring: 120 lb-ftMaximum Torque Rating Two Springs: 190 lb-ftMinimum Torque Rating One Spring: 50 lb-ft
from $89.99Zoro $89.99 -
Torque Limiter, 2 in Bore Dia, 200 lb-ft to
Bore Diameter: 2 inTorque Range: 200 lb-ft
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Torque Limiter, 2 in Bore Dia.
Bore Diameter: 2 inMax. Torque Rating Two Springs: 900 lb-ftOverall Width: 3.875 in
from $284.99Zoro $284.99 -
Torque Limiter, 3/4in Bore Dia., 60 lb-ft Max. Torque Rating
Bore Diameter: 0.75 inMaximum Torque Rating One Spring: 60 lb-ftMinimum Torque Rating One Spring: 25 lb-ftNumber of Teeth: None
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Torque Limiter, 31 Spline, 2055 Spline Diameter
Spline Count: 31Spline Diameter: 2055
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Torque Limiter, Finished, 1-7/16 in Bore Dia.
Bore Diameter: 1-7/16 in
from $609.99Zoro $609.99 -
Torque Limiter, T35L, T35LX 1 1/8
Model: T35L, T35LXSize: 1 1/8
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from $801.99Zoro $801.99 -
Two Way Overrunning Clutch IR16
Inner Diameter: 16mmOuter Diameter: 48mmTorque: 8nmWeight: 0.22kgWidth: 20.4mm
from $50.00Made-in-China $50.00 -
from $4.50Alibaba $4.50 -
Yoke Type Slip Clutch 1 3/8" 21 Spline Series 8
Diameter: 8"Horsepower: 100 HPRPM: 540 RpmSeries: 8Shaft Size: 1-3/8"
About clutches & brakes
Clutches and brakes are essential power transmission components used for controlling torque, speed, and motion in machinery. This category encompasses a variety of types, including electromagnetic, mechanical, one-way, and torque limiting devices. Electromagnetic clutches and brakes engage or disengage through an electric current, offering precise control and rapid response. Key selection criteria include static torque, dynamic torque, voltage (VDC), current (A), and power consumption (W). Mechanical clutches and brakes, often actuated manually or pneumatically, rely on friction to transmit or absorb torque. One-way clutches, also known as overrunning clutches, allow power transmission in one direction and free-wheeling in the opposite, commonly specified by bore diameter, outer diameter, and torque capacity (Nm). Torque limiters, or slip clutches, protect machinery from overload by disengaging or slipping when a preset torque value is exceeded. Critical specifications for torque limiters include release torque (Nm), bore diameter, and operating speed (rpm). Common materials for friction surfaces include organic compounds, sintered metals, and ceramics, chosen for their wear resistance and friction coefficients. Housings are typically made from steel or aluminum, with finishes like black oxide or anodization for corrosion protection.
How to choose
When selecting clutches and brakes, first determine the required torque capacity (Nm) based on the application's load and safety factors. Next, consider the actuation method: electromagnetic for precise, remote control; mechanical for robust, direct engagement; or one-way for directional power flow. Evaluate the operating environment, including temperature and potential contaminants, to choose appropriate materials and sealing. For torque limiters, define the maximum allowable overload torque to protect the system. Finally, verify mounting dimensions, shaft diameters, and operating speed (rpm) compatibility to ensure proper integration into the machine design.