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Martin40BS72 7/8

40BS72 7/8

Finished Bore Sprocket
Item #100807496
  • 40 Chain Number
  • 1 Strand
  • 72 Teeth
  • 11.752 in Outside Diameter
  • 0.875 in Finished Bore
  • Without Hardened Teeth
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Martin40BS72 7/8
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 72 Teeth
  • 11.752 in Outside Diameter
  • 0.875 in Finished Bore

features

  • ANSI 100 chain
  • 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
No. of Screws 2
Bore Type Bored to Size
Sprocket Style B
Hub Dia. 4 in
Keyway Size 3/16 x 3/32
Finished Bore 7/8 in
Set Screw Size 1/4-20 x 1/4
Hub Projection 0.97 in
No. of Teeth 72
Chain No. 40
Chain Pitch 0.5 in
No. of Strands Across 1
Outside Dia. 11.752 in
Width Across Teeth 0.284 in
Outside Dia. [Min] 11.752 in
Pitch Diameter [Min] 11.4628 in
Single Strand Tooth Thickness 0.284 in
Hardened Teeth Without Hardened Teeth
Pitch Diameter 11.4628 in
Hub Length Thru 0.966 in
Length Through Bore 1.25 in
Material Steel
Caliper Diameter 11.1508 in
Weight 11.5 LB
EAN or UPC 697950302904
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