Flywheels | McMaster-Carr

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System of Measurement

OD

Shaft Diameter

1/32" to 11/32"

1/32" to 15/32"

1/32" to 17/32"

1/32" to 19/32"

1/32" to 21/32"

1/32" to 11/16"

1/32" to 13/16"

1/32" to 1 3/32"

Belt Trade Size

For Maximum Belt Width

Number of Teeth

Material

Ferrite Ceramic

Stainless Steel

Pulley Type

Width

V-Belt Type

Number of Grooves

Shaft Type

Pitch

Pitch Diameter

Bore Type

ID

1 1/4" to 4 1/4"

Rope Diameter

Diameter

Press-Fit Mount Type

Overall Width

Mount Type

Shaft Mount Type

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

2,448 Products

Power Transmission

V-Belt Drive Pulleys

V-Belt Drive Pulleys

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

Timing Belt Drive Pulleys

Timing Belt Drive Pulleys

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

Round Belt Idler Pulleys

Round Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on round belts

Timing Belt Idler Pulleys

Timing Belt Idler Pulleys

Add to your timing belt setup to minimize vibration and keep belts from wearing out

Round Belt Drive Pulleys

Round Belt Drive Pulleys

Mount directly onto a shaft and pair with round belts to transmit rotary motion and torque

Flat Belt Idler Pulleys

Flat Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on flat belts

V-Belt Idler Pulleys

V-Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on V-belts

Flat Belt Drive Pulleys

Flat Belt Drive Pulleys

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

Timing Belt Pulley Stock

Timing Belt Pulley Stock

Machine your own timing belt pulleys to fit an exact width and shaft diameter

Spur Gear Stock

Spur Gear Stock

Machine your own gears to an exact face width and shaft diameter

Material Handling

Pulleys

Mount or suspend to guide wire rope for lifting and pulling loads

Conveyor Belt Pulleys

Conveyor Belt Pulleys

Replace pulleys on conveyor belts or build new conveyor belts

Fabricating and Machining

Gear and Bearing Pullers

Gear and Bearing Pullers

Remove gears and bearings from hollow shafts and housings

V-Belt Pulley Separators

V-Belt Pulley Separators

Clamp into a pulley’s V-groove to separate it for removal

Bearing and V-Belt Pulley Separator Sets

Bearing and V-Belt Pulley Separator Sets

Separate bearings or V-belt pulleys of various sizes with these sets

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