Martin

Martin 31E20 E Series Bronze Bushed Type C Idler Roller Chain Sprocket, 1/2 in Dia Bore, 2.6 in OD, 31 Chain, 20 Teeth, 3/8 in Pitch, Steel

31E20 MFG #: 31E20
$42.26 / EA
Non-Stock Item
Martin 31E20 E Series Bronze Bushed Type C Idler Roller Chain Sprocket, 1/2 in Dia Bore, 2.6 in OD, 31 Chain, 20 Teeth, 3/8 in Pitch, Steel
  • Bore Diameter: 1/2 in
  • Chain Size: 31
  • Country of Origin: US
  • Hub Diameter: 1-1/2 in
  • Length Through Bore: 3/4 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 20
  • Outside Diameter: 2.6 in
  • Pitch: 3/8 in
  • Pitch Diameter: 2.355 in
  • Series: E Series
  • Type: Bronze Bushed Type C
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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