Skip to content Skip to navigation menu
Boston Gear50B21-3/4

50B21-3/4

Finished Bore Sprocket
Item #101853248
  • 50 Chain
  • 21 Teeth
  • 3/4" Bore
  • 3/16 in x 3/32 in Keyway
Boston Gear50B21-3/4
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
  • 50 Chain
  • 21 Teeth
  • 3/4" Bore
  • 3/16 in x 3/32 in Keyway

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life
  • Complete with keyway and setscrew

compliances

  • 0
No. of Strands Across 1
Chain No. 50
Outside Dia. 4.522 in
Hub Projection 0.657 in
Material Steel
Pitch Diameter 4.193 in
No. of Teeth 21
Width Across Teeth 0.343 in
Hardened Teeth Without Hardened Teeth
Keyway 3/16 x 3/32
Inch/Metric Inch
Finished Bore 3/4 in
Sprocket Style B
Chain Pitch 0.625 in
Length Through Bore 1 in
Hub Dia. 3 in
Weight 3.118 LB
EAN or UPC 781711365366
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison