Martin

Martin 120XH400 J Arms/Spoke Type H-3 Stock Timing Pulley, 1-1/4 to 4-1/2 in QD® Bushed Bore, 33.317 in OD, 120 Grooves, 33.423 in Dia Pitch, 4-11/16 in W Face

120XH400 J MFG #: 120XH400 J
$4,285.80 / EA
Non-Stock Item
Martin 120XH400 J Arms/Spoke Type H-3 Stock Timing Pulley, 1-1/4 to 4-1/2 in QD® Bushed Bore, 33.317 in OD, 120 Grooves, 33.423 in Dia Pitch, 4-11/16 in W Face
  • Bore Diameter: 1-1/4 to 4-1/2 in
  • Bore Type: QD® Bushed
  • Bushing Type: J
  • Country of Origin: US
  • Face Width: 4-11/16 in
  • Hub Projection: 7/16 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Cast Iron
  • Number of Grooves: 120
  • Outside Diameter: 33.317 in
  • Overall Length: 4-1/2 in
  • Pitch: 7/8 in
  • Pitch Diameter: 33.423 in
  • Suitable For Use With: 4 in W Type XH Belt
  • Type: Arms/Spoke Type H-3
Martin timing pulleys are manufactured to extremely close specifications and are stocked in minimum plain bore, taper bushed, QD Bushed styles depending on size and pitch. Synchronous sprockets are non slip toothed drives that require no lubrication. These sprockets have a wide speed range are very efficient and make less noise than chain drives. Teeth on the belts are molded to conform with and engage the teeth on a mating sprocket.
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  • Item Features
  • Application
  • Trapezoidal tooth form
  • Exhibit many of the best features of chain drives and belt drives
  • Non-slip toothed drive with no metal to metal contact
  • No lubrication needed
  • Precise machining and processes ensure consistent finish and high quality
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