Martin 140J48 Type C Single Strand Welded Bushed Roller Chain Sprocket, 1-1/4 to 4-1/2 in Dia Bore, 27-3/4 in OD, #140 Chain, 48 Teeth, 1-3/4 in Pitch, Steel

140J48-MAR MFG #: 140J48
Requires Quote
Non-Stock Item
  • Bore Diameter: 1-1/4 to 4-1/2 in
  • Bushing Type: QD® J
  • Chain Size: #140
  • Country of Origin: US
  • Hub Diameter: 7-3/4 in
  • Length Through Bore: 3-3/16 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 48
  • Outside Diameter: 27-3/4 in
  • Pitch: 1-3/4 in
  • Pitch Diameter: 26.7571 in
  • Type: Type C Single Strand Welded Bushed
QD (quick detachable) is a sprocket where a tapered bushing is bolted into the taper bore that is machined in the sprocket. When installed this bushing is compressed onto the shaft providing a tight grip.
  • Item Features
  • Standards
  • Interchangeable with other manufacturer's QD® 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
ANSI Specified|B29.1 - 1975