Rod Aligners | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Overall Length

For Shaft Misalignment Type

Material

Shaft Mount Type

Thread Size

Construction

Maximum Torque

Less than 1,000 in·lbf

1,000 in·lbf to 9,999 in·lbf

10,000 in·lbf to 19,999 in·lbf

20,000 in·lbf to 29,999 in·lbf

30,000 in·lbf or greater

For Rotary Motion

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

Keyway Width

Body Material

Flexible Shaft Coupling Cut Style

Set Screw Material

Keyway Depth

Clamping Screw Material

Stainless Steel

Steel

Angular Misalignment Capability

Misalignment Angle

2,235 Products

Power Transmission

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

94 products

Shear Couplings

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

21 products

Shaft Couplings

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

1,414 products

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

174 products

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

136 products

Roller Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

1 product

Torque Limiters

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

52 products

Measuring and Inspecting

Shaft Alignment Kits

Confirm that shafts are aligned or measure the degree of their misalignment

9 products

Levels

Ensure surfaces are completely horizontal or vertical

26 products

Shaft Balancers

Test parts for balance by placing them on the discs

9 products

Angle Indicators

Align pipe and other equipment by measuring angle, level, or tilt

24 products

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

1 product

Center Punch/Angle Indicators

Find the center of pipe and other parts and determine setup angles on milling machines and grinders

3 products