Friction Discs | McMaster-Carr

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System of Measurement

Thickness

Width

Shaft Diameter

Length

Construction

Friction Rating

Maximum Coefficient of Friction

REACH

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Maximum Torque

Less than 50 ft·lbf

50 ft·lbf to 99 ft·lbf

100 ft·lbf to 249 ft·lbf

250 ft·lbf to 299 ft·lbf

300 ft·lbf or greater

Maximum Pressure

Maximum Rubbing Speed @ Pressure

Maximum Temperature

Material

Shaft Type

Torque

10 ft·lbf to 24.9 ft·lbf

25 ft·lbf to 49.9 ft·lbf

50 ft·lbf to 74.9 ft·lbf

Torque Limiter Type

Keyway Width

Keyway Depth

For Maximum Sprocket or Pulley Width

Overall Width

280 Products

Power Transmission

Brake and Clutch Friction Lining

Replace the lining in brakes and clutches; also known as friction material

145 products

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

28 products

Clutch/Brakes

Control when to transmit power with a clutch and when to hold a load in place with a brake

5 products

Chain and Belt Torque Limiters

Prevent chain or belt damage from overloading; loads above the set torque trigger a stop

80 products