21 Teeth Sprockets | McMaster-Carr

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Number of Teeth

Roller Chain Trade Number

System of Measurement

Shaft Diameter

OD

Pitch

ID

Bore Type

Unit Price

$120 or greater

Shaft Type

Material

Stainless Steel

Hub Diameter

Strand Type

Keyway Width

Overall Width

Sprocket Type

Chain Standard

Shaft Mount Type

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Chain Type

Component

Bushing Trade Number

Bearing Type

Keyway Depth

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327 Products

Power Transmission

Drive Sprockets

Drive Sprockets

Mount directly onto a shaft to transmit rotary motion and torque

Idler Sprockets

Idler Sprockets

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

Timing Belt Drive Pulleys

Timing Belt Drive Pulleys

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

Spur Gears

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

Miter Gears

Connect shafts at a right angle without changing speed or torque

Material Handling

Conveyor Belt Drive Sprockets

Conveyor Belt Drive Sprockets

Transmit power to chain belting to keep it running smoothly

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