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Martin40BS72 1 1/4

40BS72 1 1/4

Finished Bore Sprocket
Item #100807491
  • 40 Chain Number
  • 1 Strand
  • 72 Teeth
  • 11.752 in Outside Diameter
  • 1.25 in Finished Bore
  • Without Hardened Teeth
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Martin40BS72 1 1/4
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 72 Teeth
  • 11.752 in Outside Diameter
  • 1.25 in Finished Bore

features

  • Bored to size
  • Tolerances meet or exceed ANSI standards
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out

compliances

  • Conforms to ANSI B29.1-1975 standards
Inch/Metric Inch
Keyway w/Keyway & Set Screw
Width Across Teeth 0.284 in
No. of Strands Across 1
Hub Dia. 4 in
No. of Teeth 72
Chain Pitch 0.5 in
No. of Screws 2
Pitch Diameter 11.4628 in
Chain No. 40
Keyway Size 1/4 x 1/8
Finished Bore 1 1/4 in
Hub Projection 0.97 in
Single Strand Tooth Thickness 0.284 in
Length Through Bore 1.25 in
Hub Length Thru 0.966 in
Sprocket Style B
Outside Dia. 11.752 in
Set Screw Size 5/16-18 X 5/16
Pitch Diameter [Min] 11.4628 in
Outside Dia. [Min] 11.752 in
Material Steel
Caliper Diameter 11.1508 in
Bore Type Bored to Size
Hardened Teeth Without Hardened Teeth
Weight 11.5 LB
EAN or UPC 697950302850
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