Pulley Belts | McMaster-Carr

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System of Measurement

Width

Belt Trade Size

Pitch

Outer Circumference

4 1/2" to 1,200"

Number of Teeth

Belt Trade Number

Outer Circle

Shaft Diameter

For Maximum Belt Width

Material

Ferrite Ceramic

Stainless Steel

V-Belt Type

Adjustable Length

OD

Color

Teeth Location

Teeth Shape

Diameter

Thickness

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Belt Type

Reinforcement Material

Polyester Plastic

Pitch Diameter

Bore Type

How can we improve?

5,422 Products

Power Transmission

Timing Belts

Teeth prevent slippage while transmitting rotary power; often used to synchronize components

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 transfer motion from a rotating shaft

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

V-Belt Idler Pulleys

V-Belt Idler Pulleys

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

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

Timing Belt Pulley Stock

Timing Belt Pulley Stock

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

Flat Belt Idler Pulleys

Flat Belt Idler Pulleys

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

Flat Belt Drive Pulleys

Flat Belt Drive Pulleys

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

Measuring and Inspecting

V-Belt Size Gauges

V-Belt Size Gauges

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

Sheave Gauges

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

Material Handling

Conveyor Belt Pulleys

Conveyor Belt Pulleys

Replace pulleys on conveyor belts or build new conveyor belts

Conveyor Belts

Move loads along belt conveyors

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