Skip to content Skip to navigation menu
Boston Gear25B21

25B21

B Style Sprocket
Item #101834998
  • Single Strand, Number 25, Type B, 21 Teeth Roller Chain Sprocket
Boston Gear25B21
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • Single Strand, Number 25, Type B, 21 Teeth Roller Chain Sprocket

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life

compliances

  • 0
No. of Strands Across 1
Hub Projection 0.515 in
Inch/Metric Inch
Chain No. 25
Hub Dia. 1 3/8 in
Pitch Diameter 1.677 in
Sprocket Style B
Hardened Teeth Without Hardened Teeth
Width Across Teeth 0.11 in
Bore Range [Min] 0.375 in
Chain Pitch 0.25 in
No. of Teeth 21
Bore Range [Max] N/A
Outside Dia. 1.809 in
Material Steel
Hub Length Thru 5/8 in
Length Through Bore 0.625 in
Weight 0.261 LB
EAN or UPC 781711681879
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison