Sprockets for 4 mm Shaft Diameter | McMaster-Carr

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1/32" to 11/32"

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1/32" to 11/16"

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1 1/8" to 2 1/2"

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Gear Module

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54 Products

Power Transmission

Spur Gears

The simplest type of gear for transferring motion, with straight, parallel teeth

Worm Gears

Pair with a gear worm to reduce speed while transferring motion at a right angle in one direction

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Timing Belt Drive Pulleys

Timing Belt Drive Pulleys

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

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