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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
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    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
Width Across Teeth 0.284 in
Length Through Bore 1 in
Material Steel
Keyway w/Keyway & Set Screw
Outside Dia. 3.617 in
Hub Length Thru 0.716 in
Hardened Teeth Without Hardened Teeth
Finished Bore 0.625 in - 5/8 in
Pitch Diameter 3.355 in
Sprocket Style B
No. of Teeth 21
Chain Pitch 0.500 in
Hub Dia. 2 3/4 in
Chain No. 40
No. of Strands Across 1
Inch/Metric Inch
Weight 1.524 LB
EAN or UPC 781711360866
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