25B24 sprocket has hardened teeth, which creates a longer life of the sprockets and make it more durable. It is also manufactured to meet ANSI standards so that you can be 100% sure that this sprocket and your #25 roller chain fits snugly together. 25B24 sprockets with a stock bore comes with the standard 3/8″ ID hole with no keyway or set screws and can be easily machine bored to custom sizes.

  • Sprocket Size: 25B24
  • Tooth Count: 24
  • Hub Style: B
  • Outside Diameter (O.D): 2.049″
  • Stock Bore: 3/8″
  • Recommended Maximum Bore: 1″
  • Hub Diameter: 1-1/2″
  • Length Thru Bore: 5/8″
  • Sprocket Weight: 0.33 LBS
  • Common Interchanges: 25B24H, H25B24, 25B24-SB

Weight 0.5 lbs
BIN picking number



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