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Boston Gear40B21-1 7/16

40B21-1 7/16

Finished Bore Sprocket
Item #101836488
  • 40 Chain, 21 Tooth, 1.4375 in Bore, With Keyway and Setscrew
Boston Gear40B21-1 7/16
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  • 40 Chain, 21 Tooth, 1.4375 in Bore, With Keyway and Setscrew

features

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

compliances

  • 0
Length Through Bore 1 in
Hardened Teeth Without Hardened Teeth
Chain Pitch 0.5 in
Hub Dia. 2 3/4 in
Outside Dia. 3.617 in
No. of Strands Across 1
Keyway w/Keyway & Setscrew
Sprocket Style B
Chain No. 40
Width Across Teeth 0.284 in
No. of Teeth 21
Pitch Diameter 3.355 in
Hub Length Thru 0.716 in
Finished Bore 1 7/16 in
Material Steel
Inch/Metric Inch
Weight 1.801 LB
EAN or UPC 781711151020
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