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20B31 Sprocket With Stock Bore

20B31 Sprocket Stock Bore 20B31 Sprocket
20B31 Sprocket

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Availability: Typically In-Stock
Product Code: 20B31-SPROCKET
Contact Us For Pricing & Availability

Description Technical Specs
This 20B31 sprocket is a durable, high quality, and precision sprocket with 31 teeth. Something that is notable about this 20B31 sprocket is that it fully meets all ISO Standards, which insures proper contact between the 20B-1 roller chain and sprocket thus preventing premature wear or breakage. 20B31 sprockets are supplied with a standard 25 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes. We also offer sprockets with finished bore configurations right off the shelf from stock, and if you are needing a custom bore sprocket we the capabilities on providing those to within a fast lead time and at really great prices. Fore more information or to get a formal quote please contact us and we will be happy to assist you.


  • Sprocket Size: 20B31
  • Tooth Count: 31
  • Dimension (d0): 313.9 mm
  • Dimension (dk): 329 mm
  • Dimension (dn): 150 mm
  • Dimension (d1): 25 mm
  • Dimension (d2): 100 mm
  • Dimension (L): 55 mm
  • Sprocket Weight: 13.5 kg

Phone: (407) 347-3519
About Us
    • High Quality Sprocket
    • Extremely Durable
    • Manufactured to ISO Standards

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