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Martin40BS55 3/4

40BS55 3/4

Finished Bore Sprocket
Item #100807439
  • 40 Chain Number
  • 1 Strand
  • 55 Teeth
  • 9.044 in Outside Diameter
  • 0.75 in Finished Bore
  • Without Hardened Teeth
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Martin40BS55 3/4
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 55 Teeth
  • 9.044 in Outside Diameter
  • 0.75 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
Set Screw Size 1/4-20 x 1/4
Inch/Metric Inch
No. of Screws 2
Bore Type Bored to Size
Chain Pitch 0.5 in
Keyway Size 3/16 x 3/32
Sprocket Style B
Keyway w/Keyway & Set Screw
No. of Strands Across 1
Caliper Diameter 8.4427 in
Hub Projection 0.84 in
Hardened Teeth Without Hardened Teeth
Hub Length Thru 0.841 in
Width Across Teeth 0.284 in
Length Through Bore 1.125 in
Chain No. 40
Finished Bore 3/4 in
Outside Dia. 9.044 in
Pitch Diameter 8.7583 in
Outside Dia. [Min] 9.044 in
Pitch Diameter [Min] 8.7583 in
Material Steel
No. of Teeth 55
Single Strand Tooth Thickness 0.284 in
Hub Dia. 3 1/2 in
Weight 6.46 LB
EAN or UPC 697950302379
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