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Martin40BS51 7/8

40BS51 7/8

Finished Bore Sprocket
Item #100807407
  • 40 Chain Number
  • 1 Strand
  • 51 Teeth
  • 8.407 in Outside Diameter
  • 0.875 in Finished Bore
  • Without Hardened Teeth
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Martin40BS51 7/8
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 51 Teeth
  • 8.407 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
Outside Dia. 8.407 in
Length Through Bore 1.125 in
Set Screw Size 1/4-20 x 1/4
Caliper Diameter 7.8061 in
Keyway w/Keyway & Set Screw
Inch/Metric Inch
Hub Projection 0.84 in
Chain Pitch 0.5 in
Bore Type Bored to Size
Chain No. 40
Single Strand Tooth Thickness 0.284 in
Hardened Teeth Without Hardened Teeth
Hub Length Thru 0.841 in
Material Steel
Keyway Size 3/16 x 3/32
Hub Dia. 3 1/2 in
No. of Strands Across 1
Pitch Diameter [Min] 8.122 in
Pitch Diameter 8.122 in
No. of Screws 2
Sprocket Style B
No. of Teeth 51
Outside Dia. [Min] 8.407 in
Finished Bore 7/8 in
Width Across Teeth 0.284 in
Weight 6.08 LB
EAN or UPC 697950302027
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