Shaft Coupling Reducers | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Construction

Material

Overall Length

Shaft Mount Type

For Shaft Misalignment Type

Keyway Width

For Rotary Motion

Shaft Coupling Flexibility

Length

Maximum Torque

Less than 1,000 in·lbf

1,000 in·lbf to 1,999 in·lbf

2,000 in·lbf to 2,999 in·lbf

3,000 in·lbf to 3,999 in·lbf

4,000 in·lbf or greater

Not Rated

Shaft Coupling Connection

Keyway Depth

Clamping Screw Material

Stainless Steel

Steel

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

RoHS

REACH

DFARS Specialty Metals

Exempt

Number of Clamping Screws Included

Export Control Classification Number (ECCN)

1C998

EAR99

Flexible Shaft Coupling Cut Style

Parallel

Spiral

Torque

0 ft·lbf to 25 ft·lbf

0 ft·lbf to 50 ft·lbf

0 ft·lbf to 75 ft·lbf

0 ft·lbf to 150 ft·lbf

1,807 Products

Power Transmission

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

1,406 products

Shaft Coupling Covers

Shield rigid shaft couplings from dirt, water, and lubricants to extend their life

6 products

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

54 products

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

56 products

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

17 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

6 products

Torque Limiters

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

12 products