25A21 Sprocket With Stock Bore

This 25A21 sprocket is a durable, high quality, and precision A-Plate sprocket that is manufactured out of high-quality steel. 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. 25A21 sprocket with a stock bore comes with the standard 3/8" inside diameter plain hole 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 in need of a custom bore sprocket we the capabilities on providing those to within a fast lead-time and at really great prices. For more information or to get a custom quote please contact us and we will be happy to assist you.

25A21 Sprocket Dimensions

• Sprocket Size: 25A21
• Tooth Count: 21
• Sprocket Style: A
• Outside Diameter (O.D): 1.809"
• Stock Bore: 3/8"
• Sprocket Weight: 0.04 LBS

Phone: (407) 347-3519
Email: sales@usarollerchain.com
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• • Sprocket Size: 25A21
  • Tooth Count: 21
  • Sprocket Style: A
  • Outside Diameter (O.D): 1.809"
  • Stock Bore: 3/8"
  • Sprocket Weight: 0.04 LBS