Pulley Belts | McMaster-Carr

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System of Measurement

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Belt Trade Size

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Belt Trade Number

Outer Circle

Material

Ferrite Ceramic

Stainless Steel

Shaft Diameter

For Maximum Belt Width

OD

V-Belt Type

Adjustable Length

Color

Tooth Profile

Modified Curved (GT)

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Thickness

DFARS Specialty Metals

REACH

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Export Control Classification Number (ECCN)

Reinforcement Material

Polyester Plastic

Bore Type

Number of Grooves

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How can we improve?

5,739 Products

Power Transmission

Timing Belts

Keep your drive system in sync with teeth that mesh with matching pulleys

V-Belts

Wedge-shaped grooves adjust for misalignment while transferring power from a rotating shaft

Round Belts

Flexible to send rotary power between unparallel shafts

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

Flat Belts

Transmit high-speed rotary power; best for shafts that are aligned

Flat Belt Drive Pulleys

Flat Belt Drive Pulleys

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

V-Belt Idler Pulleys

V-Belt Idler Pulleys

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

Timing Belt Pulley Stock

Timing Belt Pulley Stock

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

Round Belt Drive Pulleys

Round Belt Drive Pulleys

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

Round Belt Idler Pulleys

Round Belt Idler Pulleys

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

Flat Belt Idler Pulleys

Flat Belt Idler Pulleys

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

Material Handling

Conveyor Belts

Move loads along belt conveyors

Conveyor Belt Pulleys

Conveyor Belt Pulleys

Replace pulleys on conveyor belts or build new conveyor belts

Measuring and Inspecting

Sheave Gauges

Match your pulley or V-belt to one of the leaves to determine its size or wear

V-Belt Size Gauges

V-Belt Size Gauges

Insert your V-belt and pull the slide tight to determine its trade size

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