Martin

Martin 120NB11H 1 1/2 NB Series Needle Bearing Type B Idler Roller Chain Sprocket, 1-1/2 in Dia Bore, 6.009 in OD, 120 Chain, 11 Teeth, 1-1/2 in Pitch, Steel

120NB11H 1 1/2 MFG #: 120NB11H 1 1/2
$748.56 / EA
Non-Stock Item
Martin 120NB11H 1 1/2 NB Series Needle Bearing Type B Idler Roller Chain Sprocket, 1-1/2 in Dia Bore, 6.009 in OD, 120 Chain, 11 Teeth, 1-1/2 in Pitch, Steel
  • Bore Diameter: 1-1/2 in
  • Chain Size: 120
  • Country of Origin: US
  • Hub Diameter: 3.562 in
  • Length Through Bore: 2.13 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 11
  • Outside Diameter: 6.009 in
  • Pitch: 1-1/2 in
  • Pitch Diameter: 5.324 in
  • Series: NB Series
  • Type: Needle Bearing Type B
Martin idlers are smooth-running and available in oil-impregnated, sintered bronze, extra-duty bearing press-fitted in sprocket and a hardened steel journal case for maximum resistance to wear. Steel sprockets used in Martin idlers are accurately machined (not stamped) the same as sprockets normally supplied for power transmission use. Martin can also alter existing sprockets and install bearings to make custom idlers.
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