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Martin40BS51 1 1/4

40BS51 1 1/4

Finished Bore Sprocket
Item #100807402
  • 40 Chain Number
  • 1 Strand
  • 51 Teeth
  • 8.407 in Outside Diameter
  • 1.25 in Finished Bore
  • Without Hardened Teeth
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Martin40BS51 1 1/4
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 51 Teeth
  • 8.407 in Outside Diameter
  • 1.25 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
  • 2 set screws� keyed on centerline of tooth

compliances

  • Conforms to ANSI B29.1-1975 standards
Outside Dia. 8.407 in
Sprocket Style B
Material Steel
Hub Projection 0.84 in
Hub Dia. 3 1/2 in
No. of Teeth 51
Finished Bore 1 1/4 in
Chain No. 40
Keyway Size 1/4 x 1/8
No. of Screws 2
Outside Dia. [Min] 8.407 in
Single Strand Tooth Thickness 0.284 in
Inch/Metric Inch
Pitch Diameter [Min] 8.122 in
No. of Strands Across 1
Caliper Diameter 7.8061 in
Set Screw Size 5/16-18 X 5/16
Keyway w/Keyway & Set Screw
Pitch Diameter 8.122 in
Width Across Teeth 0.284 in
Length Through Bore 1.125 in
Hub Length Thru 0.841 in
Hardened Teeth Without Hardened Teeth
Chain Pitch 0.5 in
Bore Type Bored to Size
Weight 6.08 LB
EAN or UPC 697950301976
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