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Martin 40BS20 1 3/8 MAR40BS201 3/8
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Martin 40BS20 1 3/8 MAR40BS201 3/8

Martin 40BS20 1 3/8 Type B Bored-to-Size Single Strand Solid Roller Chain Sprocket, 1-3/8 in Dia Bore, 3.457 in OD, #40 Chain, 20 Teeth, 1/2 in Pitch, Steel

  • Manufacturer: Martin Sprocket & Gear
  • Brand Name: Martin
  • Part Number: MAR40BS201 3/8
  • MPN: 40BS20 1 3/8
  • UPC: 697950005058
  • Min. Order Qty: 1
  • Qty. Interval: 1
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These finished bore sprockets are shaft ready and come complete with keyways and setscrews. The keyways are on center line of the tooth. Bored to size sprockets with 1/2 in bores and smaller are stocked with (2) setscrews only.

Martin Roller Chain Sprocket, Type B Bored-to-Size Single Strand Solid, 1-3/8 in Bore, 3.457 in OD, #40 Chain, 20 Teeth, 1/2 in Pitch, 3.1962 in Pitch Diameter, 2-5/8 in Diameter Hub, 5/16-18 x 5/16 in Screw, 5/16 x 5/32 in Keyway, 1 in Length Through Bore, Steel

Bore Diameter      :      1-3/8 in
Chain Size      :      #40
Hub Diameter      :      2-5/8 in
Keyway Size      :      5/16 x 5/32 in
Length Through Bore      :      1 in
Material      :      Steel
Number of Teeth      :      20
Outside Diameter      :      3.457 in
Pitch Diameter      :      3.1962 in
Pitch      :      1/2 in
Screw Size      :      5/16-18 x 5/16 in
Type      :      Type B Bored-to-Size Single Strand Solid
  • 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
  • pdfSpecification Sheet https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Martin_815A13B_Specification_Sheet.pdf