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Boston Gear40B42-3/4

40B42-3/4

Finished Bore Sprocket
Item #101899431
  • 40 Chain
  • 42 Teeth
  • 3/4" Bore
  • 3/16 in x 3/32 in Keyway
Boston Gear40B42-3/4
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    Shipment Options
  • 40 Chain
  • 42 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
Pitch Diameter 6.691 in
Chain No. 40
Finished Bore 3/4 in
No. of Teeth 42
Chain Pitch 0.5 in
Outside Dia. 6.972 in
Material Steel
Hub Dia. 3 1/2 in
No. of Strands Across 1
Hardened Teeth Without Hardened Teeth
Inch/Metric Inch
Sprocket Style B
Keyway 3/16 x 3/32
Hub Projection 0.841 in
Length Through Bore 1.125 in
Width Across Teeth 0.284 in
Weight 4.501 LB
EAN or UPC 781711494790
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