Shaft Keyways | McMaster-Carr

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System of Measurement

Shaft Diameter

0.235" to 0.500"

0.235" to 0.625"

0.235" to 0.750"

0.235" to 0.875"

0.360" to 1.000"

0.360" to 1.125"

0.360" to 1.250"

0.360" to 1.375"

0.485" to 1.500"

0.485" to 1.750"

Number of Teeth

Roller Chain Trade Number

Shaft Type

OD

ID

Keyway Width

Material

Stainless Steel

Pitch

Shaft Mount Type

Bore Type

Keyway Depth

Width

21/32" to 31/32"

21/32" to 1 1/32"

11/16" to 1 1/16"

Overall Width

Construction

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

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Strand Type

Bushing Trade Number

Hub Diameter

Belt Trade Size

Component

How can we improve?

4,500 Products

Power Transmission

Flexible Shaft Coupling Hubs

Flexible Shaft Coupling Hubs

Pair with spiders, discs, or grids for a complete flexible shaft coupling

Rigid Shaft Couplings

Rigid Shaft Couplings

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

Machinable Shaft Ends

Machinable Shaft Ends

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

Shaft Adapters

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

U-Joints

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

Drive Sprockets

Drive Sprockets

Mount directly onto a shaft to transmit rotary motion and torque

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Timing Belt Drive Pulleys

Timing Belt Drive Pulleys

Pair with a timing belt to keep your drive system in sync

V-Belt Drive Pulleys

V-Belt Drive Pulleys

Pair with a V-belt to transfer motion from a rotating shaft

Chain and Belt Torque Limiters

Chain and Belt Torque Limiters

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

Flat Belt Drive Pulleys

Flat Belt Drive Pulleys

Pair with a flat belt to transfer motion from a rotating shaft

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Electric Motors

Electric Motors

Keep machinery and equipment moving with AC or DC power

Torque Limiters

Torque Limiters

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

Clutch/Brakes

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

Spur Gears

The simplest type of gear for transferring motion, with straight, parallel teeth

Helical Gears

Curved teeth stay in contact longer to transmit heavier loads at higher speeds than spur gears

Miter Gears

Connect shafts at a right angle without changing speed or torque

Gear Worms

Couple with a worm gear to reduce speed while transferring motion at a right angle in one direction

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)