Martin

Martin 120R45 Type 6 Single Strand Welded Bushed Roller Chain Sprocket With Lightening Hole, 1-3/8 to 3-5/8 in Dia Bore, 22.351 in OD, #120 Chain, 45 Teeth, 1-1/2 in Pitch, Steel

120R45-MAR MFG #: 120R45
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Martin 120R45 Type 6 Single Strand Welded Bushed Roller Chain Sprocket With Lightening Hole, 1-3/8 to 3-5/8 in Dia Bore, 22.351 in OD, #120 Chain, 45 Teeth, 1-1/2 in Pitch, Steel
  • Bore Diameter: 1-3/8 to 3-5/8 in
  • Bushing Type: MST® R2
  • Chain Size: #120
  • Country of Origin: US
  • Hub Diameter: 5-1/2 in
  • Keyway Size: 3/4 in
  • Length Through Bore: 4 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 45
  • Outside Diameter: 22.351 in
  • Pitch: 1-1/2 in
  • Pitch Diameter: 21.5034 in
  • Type: Type 6 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