25B40 Sprocket With Stock Bore

This 25B40 sprocket is a durable, high quality, and precision sprocket that is manufactured to ANSI Specifications. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #25 roller chain and sprocket which prevents premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. 25B40 sprockets with a stock bore comes with the standard 1/2" ID hole with no keyway or setscrews 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.

25B40 Sprocket Dimensions

• Sprocket Size: 25B40
• Tooth Count: 40
• Hub Style: B
• Outside Diameter (O.D): 3.327"
• Stock Bore: 1/2"
• Recommended Maximum Bore: 1-3/8"
• Hub Diameter: 2"
• Length Thru Bore: 3/4"
• Sprocket Weight: 0.53 LBS
• Common Interchanges: 25B40H, H25B40, 25B40-SB

Phone: (407) 347-3519
Email: sales@usarollerchain.com
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• • Sprocket Size: 25B40
  • Tooth Count: 40
  • Hub Style: B
  • Outside Diameter (O.D): 3.327"
  • Stock Bore: 1/2"
  • Recommended Maximum Bore: 1-3/8"
  • Hub Diameter: 2"
  • Length Thru Bore: 3/4"
  • Sprocket Weight: 0.53 LBS
  • Common Interchanges: 25B40H, H25B40, 25B40-SB