B Pulleys | McMaster-Carr

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413 Products

Belts and Pulleys

Heavy Duty V-Belt Pulleys

Heavy Duty V-Belt Pulleys

These pulleys are cast iron.

V-Belt Pulleys

V-Belt Pulleys

Choose from nylon, UHMW, and zinc.

Adjustable-Pitch V-Belt Pulleys

Adjustable-Pitch V-Belt Pulleys

Increase efficiency, vary speed, and extend the life of your drive by changing the pitch on these pulleys.

Constant-Tension V-Belt Pulleys

Constant-Tension V-Belt Pulleys

A built-in spring maintains tension on your belt.

Quick-Disconnect (QD) Bushing-Bore V-Belt Pulleys

Quick-Disconnect (QD) Bushing-Bore V-Belt Pulleys

Use these pulleys with compatible quick-disconnect bushings.

Split-Tapered Bushing-Bore V-Belt Pulleys

Split-Tapered Bushing-Bore V-Belt Pulleys

These pulleys have the same sizing versatility as quick-disconnect pulleys, but they create a tighter grip on bushings for use in high-torque applications.

V-Belt Idler Pulleys

V-Belt Idler Pulleys

These pulleys spin freely on built-in ball bearings to maintain tension for reduced wear and vibration.

V-Belt and Pulley Trade Size Identifiers

Measure V-belt cross sections and pulley groove depths to select the correct size belt.

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