Three-Piece Couplings | McMaster-Carr

Filter by

System of Measurement

Shaft Diameter

Shaft Type

Construction

Material

For Shaft Misalignment Type

Overall Length

Shaft Mount Type

Component

Keyway Width

For Rotary Motion

Length

Flexible Shaft Coupling Type

Keyway Depth

Shaft Coupling Flexibility

Set Screw Material

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

Yes

Number of Set Screws Included

RoHS

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

1C998

EAR99

Flexible Shaft Coupling Trade Size

Performance

Hub Material

REACH

403 Products

Flexible Shaft Couplings

Spider Couplings

A rubbery center fits between hubs to enable torque transfer and damp vibration

106 products

High-Torque Spider Couplings

A thicker split spider helps transmit higher torque than standard split spider couplings

20 products

High-Parallel-Misalignment Slotted Disc Couplings

Handle parallel misalignment by allowing shafts to slide independently

35 products

Sleeve Couplings

More lightweight than other sleeve couplings to reduce energy consumption

30 products

High-Axial-Misalignment Sleeve Couplings

A gear-shaped sleeve helps withstand high axial misalignment and damp vibration

20 products

High-Angular-Misalignment Flex Disc Couplings

A flexible disc helps transfer torque smoothly in assemblies with tilting shafts

10 products

Precision Spider Couplings

Position shafts on motors, pumps, and other equipment that requires highly controlled movements

53 products

High-Torque Chain Couplings

A roller chain locks onto teeth on the hubs to withstand high torque

12 products

Shock-Absorbing Grid Couplings

Flexible spring steel absorbs sudden load increases from starts, stops, and reversals

29 products

High-Torque Sleeve Couplings

A steel sleeve and hubs help transmit higher torque than other sleeve couplings

12 products

Non-Contact Magnetic Couplings

Magnetic hubs compensate for misalignment by transferring torque without wear or contact

4 products

Cleaned and Bagged Slotted Disc Couplings

Prevent contamination in electronics plants and other extra-clean environments

15 products

Splined-to-Keyed Spider Couplings

Connect splined shafts with keyed ones, such as shafts on a hydraulic pump and an electric motor

9 products

High-Misalignment Tire Couplings

Handle the highest misalignment of any coupling while reducing vibration

14 products

Other Products

Rigid Shaft Couplings

Join two shafts that are aligned and handle higher torque than flexible shaft couplings

37 products