Skip to content Skip to navigation menu
Boston Gear50B21

50B21

B Style Sprocket
Item #101837250
  • Single Strand, Number 50, Type B, 21 Teeth Roller Chain Sprocket
Boston Gear50B21
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 50, Type B, 21 Teeth Roller Chain Sprocket

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life

compliances

  • 0
Bore Range [Min] 0.75 in
Bore Range [Max] N/A
Hub Projection 0.657 in
No. of Strands Across 1
Length Through Bore 1 in
Chain Pitch 0.625 in
Pitch Diameter 4.193 in
Width Across Teeth 0.343 in
Hub Length Thru 1 in
Material Steel
No. of Teeth 21
Hardened Teeth Without Hardened Teeth
Sprocket Style B
Inch/Metric Inch
Chain No. 50
Hub Dia. 3 in
Outside Dia. 4.522 in
Weight 3.201 LB
EAN or UPC 781711158241
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison