3/8" Gears | McMaster-Carr

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Roller Chain Trade Number

OD

ID

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Material

18-8 Stainless Steel

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Strand Type

Overall Width

Width

Chain Standard

Shaft Mount Type

Keyway Width

Hub Diameter

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Specifications Met

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

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638 Products

Drive Sprockets

Sprockets

Sprocket teeth mesh with your roller chain to smoothly transmit power

Flat Sprockets

No raised hub—best for tight spots and lightweight designs to transmit power

Sprockets for Inverted-Tooth Chain

Sprockets for Inverted-Tooth Chain

Mesh perfectly with inverted-tooth chain to transfer more power than roller chain

Plastic Sprockets

Plastic Sprockets

Quiet-running, lightweight, and naturally rust resistant

Quick-Disconnect (QD) Bushing-Bore Sprockets

Quick-Disconnect (QD) Bushing-Bore Sprockets

Quickly swap or service parts with no press-fitting or special tools

Taper-Lock Bushing-Bore Sprockets

Taper-Lock Bushing-Bore Sprockets

Quickly swap or service parts in tight spaces with no press-fitting or special tools

High-Torque Split-Tapered Bushing-Bore Sprockets

High-Torque Split-Tapered Bushing-Bore Sprockets

Maximize power transfer in high-torque applications

One-Way-Locking Sprockets

One-Way-Locking Sprockets

Transfer torque in one direction and spin freely in the other to stop reverse motion in its tracks

Other Products

Idler Sprockets

Idler Sprockets

Press against your chain to take up slack and reduce wear and vibration

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