Belt Idlers | McMaster-Carr

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System of Measurement

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"

OD

For Maximum Belt Width

Between Frame Width

Belt Trade Size

Roller Diameter

1 5/8" to 2 1/2"

Material

Ferrite Ceramic

Stainless Steel

Axle Shape

Width

Number of Teeth

Bore Type

Pitch

Overall Width

Number of Grooves

Roller Width

Shaft Type

Pulley Type

Roller Material

Stainless Steel

V-Belt Type

ID

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

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

3,620 Products

Power Transmission

Flat Belt Idler Pulleys

Flat Belt Idler Pulleys

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

Timing Belt Drive Pulleys

Timing Belt Drive Pulleys

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

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 Idler Pulleys

Round Belt Idler Pulleys

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

V-Belt Idler Pulleys

V-Belt Idler Pulleys

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

V-Belt Drive Pulleys

V-Belt Drive Pulleys

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

Flat Belt Drive Pulleys

Flat Belt Drive Pulleys

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

Round Belt Drive Pulleys

Round Belt Drive Pulleys

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

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

Conveyor Belt Pulleys

Conveyor Belt Pulleys

Replace pulleys on conveyor belts or build new conveyor belts

Conveyor Rollers

Conveyor Rollers

Support and move objects along conveyors

Conveyor Belt Idler Pulleys

Conveyor Belt Idler Pulleys

Keep chain belts moving without sagging

Conveyor Pulley Coatings

Conveyor Pulley Coatings

Add friction to help conveyor belts stay on pulleys

Conveyor Belt Drive Sprockets

Conveyor Belt Drive Sprockets

Transmit power to chain belting to keep it running smoothly

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