Martin 50B8 Sprocket #50 (5/8" pitch) roller chain 5/8 inch Bore 8 Teeth

See Pictures-New Old Stock-Box might be rough from shelf ware
 Type B stock bore roller chain sprocket designed for use with #50 (5/8" pitch) roller chains. It features a hub extension on one side and is made of high-carbon steel with non-hardened teeth. As a "stock bore" model, it typically comes with a standard 5/8" plain bore that can be custom-machined to fit your specific shaft requirements. 
  • Number of Teeth: 8.
  • Chain Size: #50 (5/8" Pitch).
  • Bore Type: Stock Bore (Plain/Reborable).
  • Bore Diameter: 5/8 inch (0.625").
  • Outside Diameter: 1.884 inches.
  • Pitch Diameter: 1.633 inches.
  • Dimensions:
    • Hub Diameter: 1-1/8 inches.
    • Length Through Bore: 1.000 inch.
    • Tooth Width: 0.343 inch
    • Shipping is $4.95
    • No Returns-Unless Defective
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