Martin

Martin 120R20H Type 4 Single Strand Welded Bushed Roller Chain Sprocket With Hardened Teeth, 1-1/8 to 3-3/4 in Dia Bore, 10.371 in OD, #120 Chain, 20 Teeth, 1-1/2 in Pitch, Steel

120R20H-MAR MFG #: 120R20H
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Martin 120R20H Type 4 Single Strand Welded Bushed Roller Chain Sprocket With Hardened Teeth, 1-1/8 to 3-3/4 in Dia Bore, 10.371 in OD, #120 Chain, 20 Teeth, 1-1/2 in Pitch, Steel
  • Bore Diameter: 1-1/8 to 3-3/4 in
  • Bushing Type: MST® R1
  • Chain Size: #120
  • Country of Origin: US
  • Hub Diameter: 5.406 in
  • Keyway Size: 3/4 in
  • Length Through Bore: 2 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 20
  • Outside Diameter: 10.371 in
  • Pitch: 1-1/2 in
  • Pitch Diameter: 9.5887 in
  • Type: Type 4 Single Strand Welded Bushed
Martin split taper sprocket is another style of bushed sprocket. The split taper bushing, when installed, offers a wide range of bore sizes.
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  • Standards
  • Item Features
ANSI Specified|B29.1 - 1975|CEMA Standard|MPTA|NIBA Certified|PTDA Approved
  • Interchangeable with other manufacturer's split-taper bushings
  • Precise machining and processes ensure consistent finish and high quality
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
  • Bores are concentric to pitch line, minimizing run out
  • https://www.youtube.com/watch?v=fSomOMNB_-Q