Martin

Martin R1 1 1/2 Standard MST Bushing, 1-1/2 in Dia Bore, 3-7/8 in Small End/4 in Large End Dia Barrel, 5-3/8 in Dia Flange, 2.88 in OAL, Ductile Iron

R1-1-1/2-MAR MFG #: R1 1 1/2
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Non-Stock Item
Martin R1 1 1/2 Standard MST Bushing, 1-1/2 in Dia Bore, 3-7/8 in Small End/4 in Large End Dia Barrel, 5-3/8 in Dia Flange, 2.88 in OAL, Ductile Iron
  • Barrel Diameter: 3-7/8 in Small End/4 in Large End
  • Bolt Circle Diameter: 4-5/8 in
  • Bore Diameter: 1-1/2 in
  • Country of Origin: US
  • Flange Diameter: 5-3/8 in
  • Flange Thickness: 0.62 in
  • Hub Diameter: 5-3/4 in
  • Keyway Size: 3/8 x 3/16 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Ductile Iron
  • Number of Bolt Holes: 3
  • Overall Length: 2.88 in
  • Screw Size: 3/8-16 x 1-3/4 in (Cap Screw)/5/16-18 x 5/16 in (Set Screw)
  • Suitable For Use With: MST® Sprockets and HR1 Weld-On Hub
  • Type: Standard
MST® bushings are easy to install and remove. They are split through the barrel and have a taper to provide a true clamp on the shaft. They are keyed to both the shaft and the hub to help during "blind" installations.
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  • Item Features
  • Standards
  • Size 1/R1 bushing
  • Tolerances meet or exceed industry standards
  • Precise machining and processes ensure consistent finish and high quality
  • Interchangeable with other manufacturers’ split-taper bushings
ANSI B15.1