Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 40 Chain Size, 0.5" Pitch, 9 Teeth, 0.625" Bore Dia., 1.674" OD, 1.0625" Hub Dia., 0.284" Width
Price: $12.83
  • 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

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