Skip to content Skip to navigation menu
This part may be obsolete or discontinued.
There may be limited quantities still available for purchase. Contact us for availability. Please contact your local service center for alternative options.
Boston Gear40B21-5/8

40B21-5/8

Finished Bore Sprocket
Item #101853318
  • 40 Chain, 21 Tooth, 0.625 in Bore, With Keyway and Setscrew
Boston Gear40B21-5/8
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
  • 40 Chain, 21 Tooth, 0.625 in Bore, With Keyway and Setscrew

features

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

compliances

  • 0
Finished Bore 0.625 in - 5/8 in
Hub Length Thru 0.716 in
Pitch Diameter 3.355 in
Chain No. 40
Inch/Metric Inch
Chain Pitch 0.500 in
Hub Dia. 2 3/4 in
No. of Teeth 21
Sprocket Style B
No. of Strands Across 1
Keyway w/Keyway & Set Screw
Material Steel
Width Across Teeth 0.284 in
Length Through Bore 1 in
Outside Dia. 3.617 in
Hardened Teeth Without Hardened Teeth
Weight 1.524 LB
EAN or UPC 781711360866
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison