Coupling Inserts | McMaster-Carr

Filter by

System of Measurement

Shaft Diameter

Shaft Type

Construction

Material

Overall Length

For Shaft Misalignment Type

Shaft Mount Type

Component

Flexible Shaft Coupling Type

For Rotary Motion

Keyway Width

Flexible Shaft Coupling Trade Size

Length

Keyway Depth

Maximum Rotation Speed

Performance

Electrically Isolating

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

RoHS

Diameter

Set Screw Material

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

Maximum Torque

Less than 1,000 in·lbf

1,000 in·lbf to 1,999 in·lbf

2,000 in·lbf to 9,999 in·lbf

10,000 in·lbf to 19,999 in·lbf

20,000 in·lbf or greater

Forward

How can we improve?

Help me decide (beta)

1,597 Products

...

Flexible Shaft Couplings

Spider Couplings

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

106 products

Precision Spider Couplings

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

66 products

High-Torque Spider Couplings

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

20 products

High-Axial-Misalignment Sleeve Couplings

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

20 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-Parallel-and-Angular-Misalignment Precision Double Loop Couplings

Offset hubs compensate for high parallel and angular misalignment

119 products

Electrically Isolating Servomotor Precision Disc Couplings

Block stray current so it doesn't erode or interfere with components on your shaft

18 products

High-Parallel-Misalignment Slotted Disc Couplings

Handle parallel misalignment by allowing shafts to slide independently

39 products

Sleeve Couplings

More lightweight than other sleeve couplings to reduce energy consumption

30 products

Precision Beam Couplings

Slits on the one-piece body flex to help transfer full torque and compensate for tiny misalignments

529 products

Servomotor Precision Disc Couplings

Withstand high torque from starts, stops, and reversals in high-performance servomotor setups

317 products

Precision Bellows Couplings

A thin-walled, corrugated-metal center tube flexes to handle all types of misalignment

127 products

Servomotor Precision Bonded Couplings

A bonded rubber center damps vibration and allows high angular misalignment

82 products

High-Angular-Misalignment Flex Disc Couplings

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

10 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

Torque-Limiting Shear Couplings

When torque is too high, sever the connection between shafts so connected parts don't break

21 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

High-Misalignment Tire Couplings

Handle the highest misalignment of any coupling while reducing vibration

14 products

Flexible Shaft Couplings

0 products