Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 40 Chain Size, 0.5\" Pitch, 18 Teeth, 1\" Bore Dia., 3.136\" OD, 2.3125\" Hub Dia., 0.284\" Width

$Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 40 Chain Size, 0.5\" Pitch, 18 Teeth, 1\" Bore Dia., 3.136\" OD, 2.3125\" Hub Dia., 0.284\" Width$

Key features

•For use with series 40 chain, 1/2" pitch for driver or driven sprocket needs
•Type BS sprocket with two setscrews and a keyway offers a stable and secure attachment to the shaft
•Shaft diameter size from 1/2" to 1-1/2" for a variety of applications
•Varying numbers of teeth, hub sizes, and stock bore sizes offer application flexibility
•High carbon steel for strength and durability

BrandMartin

CategoryRoller Chain Sprockets

Size40

Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 40 Chain Size, 0.5\" Pitch, 18 Teeth, 1\" Bore Dia., 3.136\" OD, 2.3125\" Hub Dia., 0.284\" Width

List Price: $65.05$58.55DEALYou Save: $6.50 (10%)

Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 24, 2026In Stock (2)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

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