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Boston Gear40B21-3/4

40B21-3/4

Finished Bore Sprocket
Item #101836293
  • 40 Chain
  • 21 Teeth
  • 3/4" Bore
  • 3/16 in x 3/32 in Keyway
Boston Gear40B21-3/4
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    Shipment Options
  • 40 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
Keyway 3/16 x 3/32
Hub Projection 0.716 in
No. of Strands Across 1
Sprocket Style B
Chain No. 40
Hardened Teeth Without Hardened Teeth
Finished Bore 3/4 in
No. of Teeth 21
Length Through Bore 1 in
Hub Dia. 2 3/4 in
Width Across Teeth 0.284 in
Inch/Metric Inch
Outside Dia. 3.617 in
Pitch Diameter 3.355 in
Chain Pitch 0.5 in
Material Steel
Weight 1.801 LB
EAN or UPC 781711171486
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